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GFK2749_RX3i PSM - GE Intelligent Platforms: Support Home

1. ide bid zog jeunes NSd v00722Vr692I enim Module Offset Module Gain Interface cables cos mete By er s ma S 4000H T 7 2 s Module Gain Grid 2 power system connections to user PTs with fuses and CTs with shorting bars r PACSystems RX3i Power System Measurement Module February 2013 GFK 2749 Overview of PSM System Connection to Public Grid and Generator GRID 1 Public Grid Primer Mover Control RX3i Controller PSM System Sa ee N a ee ng ee ee fee eee ee ee ul Public Grid Relay Control I aaa EE 47 n uod e To Load ne Jg o eum 9 0 o a 0 am o a 9 a o a ES a iie a mp o D oo emm oo emm oo emm oo ammo c Oe Sync Relay Control i NE Em I STO Hn GRID 2 Generator Grid mni pol AI L O oe L he ee Jee Se eee um e 2r EN AAA AA MS i ed pi A Rd onm gt 2I Sr ee RETE IE 5 do a C Exciter Contro ul 4 E JE Exciter AN O A E p Generator os J H p 3 phase T L 7 AC Generator m 21 NEGERI M E le gt a iE i ZR n 1r i i TE l E GFK 2749 Chapter 2 Installation 2 5 2 6 Power System Connections The Grid 1 and Grid 2 terminal blocks connect the Terminal Assembly to the power systems being measured Each side of the Terminal Assembly has a 12 position terminal block for user connections
2. Status Alarm Timing on page 1 2 PSM ConnectionOK 1 OK 0 PSM to Terminal Assembly connection failure O ANSI 25 1 Alarm 4 PSM DeltaVoltOK 1 OK 0 ANSI 25 2 Alarm 5 PSM DeltaFreqOK 1 OK O ANSI 25 3 Alarm 3 PSM PhaseShiftOK 1 OK PSM AllGridAlarmsOK 1 OK O At least one alarm on either grid is set 7 PSM RelayCloseOK 1 OK 0 Do not close relay PSM New Data 1 The current PLC sweep is the first sweep this power line cycle data is being delivered by the PSM to the PLC O Data has not changed from previous sweep 9 16 reserved 1l Alarm availability A checkmark indicates whether an alarm is available for use in either the 1 Phase 19 or the 3 Phase 39 Grid Operational Mode see Mode Control Bits Sent to PSM module on page 3 19 All alarms are available in 3 Phase mode An absent checkmark indicates that the value of the bit is indeterminate and the bit should be ignored 3 10 PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Status Alarm Alarm Timing Availability l Bit Definition A B AB See Offset CLO Status Alarm Timing on page 10 30 17 GRID 1 FaultvA A 1 Fault clamped or not calculated measured GRID 1 FaultlA GRID 1 FaultVB GRID 1 FaultlB 21 GRID 1 FaultVA VBA VB VAC VC VBC GRID 1 FaultlC GRID 1 FaultIN 1 Fault clamped or not calculated measured 1 Line Frequency outside the range 30 70 H
3. The screw terminals accommodate solid or stranded wires from 8 18AWG The following table lists the Grid 1 and Grid 2 signal inputs to the Terminal Assembly The Grid 1 common COM1 and Grid 2 common COM2 are internally connected and must always be at the same potential Grid 1 Power System Grid 2 Power System Connections Connections COM2 COM1 Grid 1 VA Grid 2 VA Grid 2 VB Grid 1 VB Grid 1 VC Grid 2 VC Grid 2 lA Grid 1 IA PACSystems RX3i Power System Measurement Module February 2013 GFK 2749 PSM Module to Terminal Assembly Connections Two identical 2 meter cables GEIP part number IC694CBL200 connect the PSM module to the Terminal Assembly These cables are to be used only for Grid 1 and Grid 2 connections to the IC694PSM001 The PSM Terminal Assembly connects to hazardous voltages Before installing testing or troubleshooting this module you should refer to the complete instructions in this manual Failure to follow the published guidelines may result in personal injury equipment damage or both The interface cables connect to a circuit board that has hazardous voltages present These cables are carefully made to ensure the safety of the user and associated equipment Therefore we recommend you use only factory built cables Secure the cables between the Terminal Assembly and the PSM module to maintain at least 1 4 inch 6mm distance to other wiring unless it is Class 2 or Communication wi
4. o I CT Shorting Block Frame Ground Load GFK 2749 Chapter 2 Installation 2 15 C Phase Common L1 L2 L3 1A Fuses on secondary re Cn Frame Ground PTs 0 COM AK Ll Y la CTs 7 la Y lb A Ib CT Shorting Block Frame Ground Load PACSystems RX3i Power System Measurement Module February 2013 GFK 2749 WYE Synchro Power Control Connection In the following figure the PSM system is connected between two systems the Public Grid and Generator sub systems This connection scheme gives the PSM module all the information needed to make decisions about paralleling the two grids Fuses on the PT primaries and secondaries are required A fuse failure indicates wiring problems within the system Public Grid Breaker ToLoad Breaker Connections L1 e V V NON Generator T camp A ape gt MIB i uel 7 vet EET Rinne Frame Ground O la1 la2 S la1 la2 Ib1 Ib2 Ib1 Ib2 Ic1 Ic2 Ic1 Ic2 CT Shorting CT Shorting Block PTs PTs l uem p ER THT 0 0 nee d 3 Vb1 Vb2 f z 1 wae em o Vc1 Vc2 O 3 DE El ee o 1A Fuses on 1A Fuses on secondary COM COM secondary Frame Ground GFK 2749 2 17 Chapter 2 Installation Delta Synchro Power Monitor Connection Two Wattmeter Method This di
5. GRID 1 PTA_CA measurement 0 not measured 1 measured Refer to Reconstructed Variables p 3 21 GRID 1 PTB measurement 0 not measured 1 measured Refer to Reconstructed Variables p 3 21 GRID 1 CTB measurement 0 not measured 1 measured Refer to Reconstructed Variables p 3 21 GRID 1 PTC measurement 0 not measured 1 measured Refer to Reconstructed Variables p 3 21 GRID 1 CTC measurement 0 not measured 1 measured Refer to Reconstructed Variables p 3 21 GRID 1 CTN measurement 0 not measured 1 measured Refer to Reconstructed Variables p 3 21 GRID 1 Waveform Capture changing from 0 to 1 When the PSM detects a change of this bit from a zero to one it captures all 128 samples of all seven variables belonging to the grid GRID 1 Delta Mode 0 B phase is common 1 C phase is common This bit must be set to 0 if the phase B is used as the common connection for the other two voltages North American standard If the phase C is used as the common phase in a Delta connection this bit must be set to 1 GRID 1 CTA measurement 0 not measured 1 measured Refer to Reconstructed Variables p 3 21 GFK 2749 Chapter 3 Configuration and Data Transfer 3 19 Q Bit GRID 1 Energy reset When set the accumulated energy for Grid 1 is reset and held eS dl at 0 Wh and 0 VARh When cleared the Grid 1 energy value represents the accumulated energy
6. and to reduce the noise induced into the system To reduce risk of electric shock or damage to the attached CTs always open or disconnect all voltage circuits and apply the shorting bar connections to the current inputs before installing or servicing the connections to the Terminal Assembly Never disconnect the GRID 1 or GRID 2 field wiring while power is present Personal injury or equipment damage may result Finger guards must be installed on the Terminal Assembly before energizing the field wiring Wiring to the PSM consists of Frame ground connections from the Terminal Assembly to the chassis The connection cable between the Terminal Assembly and the PSM The leads to user supplied potential transformers and current transformers Sync relay output connections Note No CT shorting bars are provided on the PSM Terminal Assembly these must be supplied by the user 2 10 PACSystems RX3i Power System Measurement Module February 2013 GFK 2749 General Wiring Notes In the following connection diagrams the line connections are labeled L1 L2 and L3 When you wire the Terminal Assembly into a system you must decide which line will correspond to which phase Usually L1 will correspond to phase A L2 with phase B and L3 with phase C Once you decide how to connect the system the labels L1 L2 and L3 can be changed to A B and C according to your system configuration Then the diagrams can be followed and the connections ma
7. support jp io ge com Japan support in io ge com remaining Asia customers Customer Care Email customercare apo ip ge com customercare cn ip ge com China lii PACSystems RX3iPower Sync and Measurement System February 2013 GFK 2749 Contents PSM Module Description and Specifications sss ss ss sss sees sees sees cesse sese seene nenen 1 1 ESMAS oe E NOA OEE PRR codi SMMEENORUN 1 2 Terminal ASsemDIy iia 1 3 COANECIOS ori ia 1 3 LJSer Supplied Equipmehtrs iia eine tab UE a cata A eee 1 4 a A eee g 0 2 gc cuin iei a en os nca DE eae ey ee E IE 1 4 eee c TL lic 1 5 System Opera sunt lia it bu quate dte litis 1 7 Autonomous OI is 1 7 Frequency Meas rement acsruisaenhinpi e e a a a ea a a 1 8 ANSI IFUNGCHONS SUPPONGO a ee 1 9 ANSI Functions for GRID 1 Public Grid Load Protection ooooccccoccccncononcnnononcnncnnos 1 9 ANSI Functions for GRID 2 Generator Generator Grid Protection 1 11 Instalacion nica ala 2 1 General Warnings CautiONS occccconccncccncnncoconnnnoconcnnnnnnnnnnnnannnnonnnnnnnonnnnnnnnnnnnnnannnnnnannnnennnanennanass 2 2 ipee cM m PCT dE 2 3 installing the PSM Mod le ose ttn aaa 2 3 Installing the Terminal ASSermbly id pute d vo dev SEN AAA vx deu Deu Fu a 2 3 Connector and Cabling Informations 5 sees ende a Lue acie qa 2 4 Basic PSM System Connections cccoooccccccuncnccconcnnncnannncnnoncnnononnnnnnnannnnnnonn
8. 0 72 PhaseShiftOK On 0 722 Angle Delay PhaseShiftOK Off 2 72 Angle Delay 2 If Sync is requested while PhaseShiftOK On then CloseRelayOK will be set to On for the Angle Delay 24 cycles At AF 0 01HZ and 60Hz the PhaseShiftOK window is 200ms 0 72 400ms 600ms PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Fast Rotating Phase Angles For faster rotating phase angles where Angle Delay gt Phase_Shift_Thr 2 2 these equations apply PhaseShiftOK On O Angle Delay PhaseShiftOK Off Angle Delay Phase_Shift_Thr Phase_Shift_Thr Phase Shift Thr 0 15 99 1 A 2599 SYNCHROSCOPE Fast Rotation Angle Delay gt Phase Shift Thr 2 2 If a request to sync is on or received by the PSM module at any time in the green region while PhaseShiftOK on the CloseRelayOK status bit will be set and the IC694ACC200 output contacts will close Once CloseRelayOK is on and the IC694ACC200 output contacts are closed they remain on and closed through the green orange and yellow regions regardless of grid alarms until after the breaker delay plus 24 power line cycles pass to allow the newly synchronized grids to settle After the settling time all ANSI protections are reinstated and the PSM monitors the Delta Frequency Delta Voltage and Phase Shift status bits again In the absence of other alarms the phase angle is allowed to drift within the phase shift th
9. 120VAC nominal High range 120 690 VAC RMS 600VAC CAT IV 690 VAC CAT III Measurement Accuracy Voltage 0 2 of Full Scale see page 3 20 Current In the presence of severe RF interference IEC 61000 4 6 10 volts accuracy could be degraded by 2 of full scale Chapter 1 PSM Module Description and Specifications 1 5 Terminal Assembly Input Terminal Ratings Voltage 690 VAC RMS Sync Relay contacts 150 VAC VDC at 1 Amp Resistive maximum Note Actual contact ratings depend on load type See Sync Relay contacts on page 1 5 RX3i CPU Memory Requirement for Automatic Data Exchange AQ 2 words Data Exchange Time Between RX3i CPU and PSM A complete data exchange between the PSM and RX3i occurs during each controller scan Minimum scan time is 3 5ms per PSM module in the backplane Minimum data update rate is one power line period See System Operation on page 1 7 and PSM Status Flags in chapter 3 ANSI Protective Functions ANSI 25 Generator and Public Grid Synchronization ANSI 27 Under voltage Protection ANSI 32 Reverse Power Protection ANSI 47 Voltage Phase Sequence Protection ANSI 50 Instantaneous Over current Protection ANSI 59 Over voltage Protection ANSI 60 Voltage Current Imbalance Protection ANSI 81U Under frequency Protection ANSI 810 Over frequency Protection Power Measurement Configurations Four wire three phase wye systems 3 PTs and 3 CTs plus N
10. 2 can be connected and steady there are no faults The module has detected a fault condition Off The module has not detected a fault and the grids are not synchronized Green Indicates a voltage signal has been detected on Grid 1 Off 2 4000H Module Offset Module Gain gt r A frequency out of range condition has been detected on Grid 1 f No zero crossing signal of Grid 1 has been detected during the last 250 ms time period Green Indicates a voltage signal has been detected on Grid 2 A frequency out of range condition has been detected on Grid 2 Off No zero crossing signal of Grid 2 has been detected during the last 250 ms time period 1 2 PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Terminal Assembly The Terminal Assembly accepts three voltage inputs and four current inputs for each of two grids The Terminal Assembly translates the 0 5 A current signals and the 45 690 VAC RMS voltage signals to low voltage signals for use by the PSM module Voltage inputs are connected through external user supplied potential transformers PT External appropriately sized current transformers CT are used to translate grid or load currents down to the 0 5 A range required by the Terminal Assembly Connectors The Terminal Assembly provides two terminal blocks each with 12 screw terminals for the voltage and current inputs from the grids
11. 2 control bits Relay close Clear this bit AND set bit 32 to request synchronizing the Grids Set for desired operation of Grid 2 Set this bit AND clear bit 16 to request synchronizing the Grids RN L9 Lj MN Exo o aa GFK 2749 Chapter 3 Configuration and Data Transfer 3 37 Configuration for 120 208 3 Wire Delta system with Two PTs Two Wattmeter Method 3 38 C Common The following shows a typical hardware configuration for a 3 phase 3 wire Delta power monitoring application with the C Phase used as common This example shows settings for Grid 1 all the settings can be applied to the respective Grid 2 parameters Note that the offset and gain values were found on the IC694PSMO001 module faceplate label and on the IC694ACC200 terminal assembly label The Nominal Voltage is the anticipated Phase to Phase voltage in the Delta configuration Though phase to ground is 120VAC the PTs will be connected from phase to phase so the range must be set to 600VAC to accommodate the 208V phase to phase Grid 1 or Grid 2 Tab 0 6 IC694PSM001 RX3i CPE305 II Settings Gridi Grid ANSI Protection Power Consumption brane GAY Nominal Voltage Volts Nominal Current Ampe Nominal Frequency Hz Module Offset Module Gain VATL Gain 4 Gain VBTL Gain B1 Gain WCIL Gain IC Gain INT Gan PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 ANSI Protection Tab Note th
12. E o d o COM Frame Ground S Y la On a 2 n Ib ON Ib Y oe c K c i e c A In CTs N n Load pean Frame Ground CT Shorting Block 2 14 PACSystems RX3i Power System Measurement Module February 2013 GFK 2749 Configuration for Three Wire Delta system with Two PTs Two Wattmeter Method for Load Monitoring The systems detailed below show two PTs being used in an open delta configuration connected to the Terminal Assembly The PSM module can be configured for either B phase common or C phase common In this mode selected through the configuration parameters the line to line voltage is typically scaled down to the level of 120VAC nominal The third voltage and current are reconstructed from the other two by the PSM The reconstructed signals must be configured as not used All additional scaling factors must be applied to the values being returned by the PSM by the host controller logic program For safety considerations both the primaries and secondaries of the potential transformers must be fused A fuse failure is an indication of wiring problems within the system Note that in this configuration the phasing of the potential transformers is slightly different B Phase Common L1 L2 L3 1A Fuses on secondary NE a Frame Ground mn COM PTs CTs
13. Gain VA81H Gain 141 Gain VB1H Gain IB Gain VL1L Gain IC Gain INT Gain Grid 2 Tab 0 6 IC694PSM001 RX3i CPE305 II Settings Gridi Grid2 ANSI Protection Power Consumption Nominal Voltage Volts Nominal Current amp mps Nominal Frequency Hz Module Offset Module Gain Yael Gain VAZH Gain 18 2 Gain B2L Gain B2H Gain B Gain WCE2L Gain IN2 Gain GFK 2749 Chapter 3 Configuration and Data Transfer 3 41 3 42 ANSI Protection Tab Note that synchronization s an option in 3 phase mode so the ANSI 25 parameters can be left at their default values or changed to suit the application In this example the breaker delay has been set to 85ms the total contact closure time from CloseRelayOK signal to contacts physically closing This allows the PSM to calculate the precise timing to close the sync relay as close as possible to 0 phase angle in a rotating phase angle synchronization PACSystems RX3i Power Sync and Measurement System February 2013 0 6 IC694PSM001 RX3i CPE305 II Settings Grid dz ANSI Protection Power Consumption Parameters ANSI 25 Phase Shift Threshold degrees 10 0 ANSI 25 Breaker Delay msec Bh ANSI 25 Delta Voltage Threshold 4 10 ANSI 25 Delta Frequency Threshold Hz 4 1 ANSI 27 Under Voltage Threshold 3 90 ANSI 27 Under Voltage Delay sec 10 0 ANSI 32 Reverse Power Threshold 72 10 ANSI 32 Reverse Power Delay sec 10 0 ANSI 5
14. Note The agency approvals listed above and on the Declaration of Conformities are believed to be accurate however a product s agency approvals should be verified by the marking on the unit itself Comments Certification by Underwriter s Laboratories to UL 6200 standard and equivalent CSA C22 2 No 14 2010 standard Certification by Underwriter s Laboratories to UL 61010 1 standard and equivalent CSA C22 2 No 61010 1standard Certification by Underwriter s Laboratories to ANSI ISA 12 12 01 standard and equivalent CSA C22 2 No 213 M1987 standard Self Declaration in accordance with European Directives Refer to Declaration of Conformity found at hittp www ge ip com for a complete list of approved products Certification by Competent Body in accordance with European Directives Refer to Declaration of Conformity found at http www ge ip com for a complete list of approved products Certification in accordance with European Directives and Independent 3 Party Assessment Certificate Refer to Declaration of Conformity found at http www ge ip com for complete list of approved products Environmental Specifications Vibration IEC60068 2 6 JISCO911 10 57 Hz 0 006 displacement peak peak 57 500 Hz 1 0g acceleration Shock IEC60068 2 27 JISC0912 15G 11ms Operating Temperature 0 C to 60 C surrounding air 32 F to 140 F Humidity 5 to 95 non condensing EMC Emissions Radiated Conducted CISPR 11 EN
15. PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 ANSI 27 Under voltage Protection This function monitors voltages to detect abnormally low grid voltage It works with phase to phase voltage in delta power systems or phase to neutral voltage in wye power systems Each phase voltage is monitored separately An alarm will be triggered if any voltage falls below the specified UNDER_VOLT_ THR voltage value for a time period longer than UNDER VOLT DELAY The alarm Is cleared if any voltage rises above the specified UNDER_VOLT_ THR voltage value for a time period longer than UNDER VOLT DELAY The UNDER VOLT THR is a percentage of the nominal voltage ANSI 32 Reverse Power Protection Reverse Power Protection prevents the generator from motoring on loss of the prime mover An alarm will be triggered if the prime mover power falls below the REV PWR THR for a time period longer than REV_PWR_ DELAY The alarm will be cleared when the prime mover power rises above the REV PWR THR for a time period longer than REV PWR DELAY The REV PWR THR is a percentage of the nominal power which in a 3 phase system is three times the nominal voltage multiplied by the nominal current ANSI 47 Voltage Phase Sequence Protection The sequence of the phase A B and C voltages is monitored Detection of a wrong sequence A C B for example will trigger an alarm ANSI 50 Instantaneous Over current Protection Provides three ph
16. The terminals accept up to 10 AWG wire commonly used in power utility applications The Terminal Assembly provides two pairs of Mini D 20 pin connectors for connection to the PSM module using the interface cables The 45 120 VAC or 120 690 VAC range is selected by connecting the interface cables to the corresponding pair of Mini D connectors When the cables are connected to the correct grid and matching voltage ranges the PSM module provides an indication that the cables are correctly attached to the unit A four pin pluggable connector provides two isolated solid state relay contacts that close when the correct voltage phase and relative frequency differences match the configured criteria for synchronization of the GRID1 and GRID2 signals Note The Terminal Assembly is not equipped with CT shorting bars These must be provided separately by the user GRID 1 Terminal Block Plastic finger guard N 600V GRID 1 a 120V GRID 1 600V GRID 2 Grounding stud O ree Grounding stud 120V GRID 2 A L GRID 2 Terminal Block GFK 2749 Chapter 1 PSM Module Description and Specifications 1 3 User Supplied Equipment The user must supply the following components depending upon the application This equipment includes e Current transformers 5 Amps e Potential transformers e Fuses 1 Amp each for each voltage lead connected to the Terminal Assembly e A fuse 1 Amp for the common or return line for the voltage lead on the Terminal As
17. application logic when the PLC goes to run mode Below are example configurations for typical applications Configuration for 120 240 VAC Single Phase System eee ee ee ee 3 26 Configuration for GO0VAC Single Phase System esse eee eee ee 3 29 Configuration for 120 208 WYE Three Phase Four Wire System 3 32 Configuration for 120 208 3 Wire Delta system with Two PTs Two Wattmeter Method B COMMO RE E D mn 3 35 Configuration for 120 208 3 Wire Delta system with Two PTs Two Wattmeter Method E COMMON EM Uc 3 38 Configuration for 120 208 4 Wire WYE Synchro Power Control Connection 3 41 Configuration for 480V 4 Wire WYE Synchro Power Control Connection 3 44 Chapter 3 Configuration and Data Transfer 3 25 Configuration for 120 240 VAC Single Phase System 3 26 The following shows a typical hardware configuration for a signal phase 3 wire power monitoring application This example shows settings for Grid 1 all the settings can be applied to the respective Grid 2 parameters Note that the offset and gain values were found on the IC694PSM001 module faceplate label and on the IC694ACC200 terminal assembly label Note that the 120V range will accurately measure voltages slightly above 120VAC RMS In the example below 125VAC RMS is chosen as the nominal voltage The Nominal Voltage is the anticipated Phase to Neutral voltage in the single phase configuration Grid 1
18. inaccuracies of external Potential Transformers and wiring Range Oh to FFFFh Default 4000h PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Parameter Function IBx Gain Calibration constant Value provided on the ACC200 Terminal Assembly label Improves the accuracy of the current measurement of channel 4 IB This value can be further adjusted to compensate for inaccuracies of external Current Transformers and wiring Range Oh to FFFFh Default 4000h VCxL Gain Calibration constant Value provided on the ACC200 Terminal Assembly label Improves the accuracy of the 120V range of channel 5 VC This value can be further adjusted to compensate for inaccuracies of external Potential Transformers and wiring Range Oh to FFFFh Default 4000h VCxH Gain Calibration constant Value provided on the ACC200 Terminal Assembly label Improves the accuracy of the 600V range of channel 5 VC This value can be further adjusted to compensate for inaccuracies of external Potential Transformers and wiring Range Oh to FFFFh Default 4000h ICx Gain Calibration constant Value provided on the ACC200 Terminal Assembly label Improves the accuracy of the current measurement of channel 6 IC This value can be further adjusted to compensate for inaccuracies of external Current Transformers and wiring Range Oh to FFFFh Default 4000h INx Gain Calibration constant Value provided on the ACC200 Terminal Assembly
19. label Improves the accuracy of the current measurement of channel 7 IN This value can be further adjusted to compensate for inaccuracies of external Current Transformers and wiring Range Oh to FFFFh Default 4000h GFK 2749 Chapter 3 Configuration and Data Transfer 3 5 ANSI Protection Parameters Use this tab to configure the ANSI functions for Grid 1 Public Grid Load and Grid 2 Generator Generator Grid These parameters specify the ANSI alarm thresholds and debounce time periods Parameter Function ANSI 25 Phase Shift Threshold degrees ANSI 25 Breaker Delay msec ANSI 25 Delta Voltage Threshold ANSI 25 Delta Frequency Threshold Hz ANSI 27 Under Voltage Threshold 3 6 PACSystems RX3i Power Sync and Measurement System February 2013 The angle window in electrical degrees around the zero degree phase angle difference between Grid 1 and Grid 2 that will be allowed For example a value of 10 means the PSM module is allowed to close the synchronizing relay when the Grid 2 voltage phase is within 10 of the Grid 1 voltage phase Range 0 1 to 45 0 Default 10 0 Breaker Delay allows the PSM module to compensate for the delay from CloseRelayOK l offset 7 being asserted until the synchronizing breaker contacts actually make electrical contact Set to O to use static phase angle synchronization Set to actual closure delay for rotating phase angle synchronization Enter the ACC200 t
20. no responsibility for the accuracy completeness sufficiency or usefulness of the information contained herein No warranties of merchantability or fitness for purpose shall apply indicates a trademark of GE Intelligent Platforms Inc and or its affiliates All other trademarks are the property of their respective owners Copyright 2013 GE Intelligent Platforms Inc All Rights Reserved Contact Information If you purchased this product through an Authorized Channel Partner please contact the seller directly General Contact Information Online technical support and http support ge ip com GlobalCare Additional information http www ge ip com Solution Provider solutionprovider ip Wge com Technical Support If you have technical problems that cannot be resolved with the information in this guide please contact us by telephone or email or on the web at http support ge ip com Americas International Americas Direct Dial Europe the Middle East and Africa Online Technical Support http support ge ip com Phone 800 1 433 2682 EMEA Direct Dial 420 23 901 5850 if toll free 800 option is unavailable or dialing from a mobile telephone Primary languages of support English French German Italian Czech Spanish Asia Pacific Online Technical Support http support ge ip com 86 400 820 8208 86 21 3217 4826 India Indonesia and Pakistan Technical Support Email support cn ip ge com China
21. offset 64 Firmware Version 0 PSM Module Firmware Version GrdiWawfomCapue 1 A 4 GMiM Cs Gia tv 6 Oi 8 Gia tvs MEKCUBR CNN REN Grid 2 Waveform Capture T EE Absolute Maximum Full Scale Readings The peak values that the PSM system is capable of reading are detailed below Applying higher voltages than 1064 9V on the high voltage range or 212 4V on the low voltage range peak value or higher currents than 10 652A peak value to the PSM Interface Module will lead to the erroneous results Such a situation will be accompanied by the appropriate fault bits FaultXX and ClampedInput in the l status bits being set to 1 with the LED FLT flashing or steady red These are the Full Scale values for their respective ranges and are used as the basis for the accuracies in chapter 1 Specifications Extended operation at or above the peak values may shorten the mean time between failure MTBF of the PSM system High Voltage Equivalent Low voltage Equivalent Range Peak RMS Range Peak RMS 1064 9V 753 0V 212 4V 150 2V 10 652A 7 532A 10 652A 7 532A 3 24 PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Example Configurations GFK 2749 A portion of the PSM configuration is downloaded with the Proficy Machine Edition hardware configuration see Configuration Parameters on page 3 2 The remaining details must be set in the form of Q bits in
22. selected by the Grid 2 cable connection must match the range configured by the Q bit offset 18 Failure to match the cable connection and Mode control range selections will result in inaccurate values being reported to the user logic Connect here to select the 600VAC range Connect here to select the 120VAC range The voltage range selected by the cable connections must match the voltage range selected by the respective Q mode control bits in user logic Connect here to select the 120VAC range Connect here to select the 600VAC range PACSystems RX3i Power System Measurement Module February 2013 GFK 2749 Relay Connector for Sync Contacts The Sync contacts are two redundant isolated solid state outputs that signal when it is safe to close the contacts that will parallel Grid 1 to Grid 2 When the PSM module determines that the synchronization parameters have been met relay contact 1A closes to relay contact 1B and relay contact 2A closes to relay contact 2B These outputs can carry either AC or DC signals In DC systems the outputs can either be high side sourcing or low side sinking outputs Since these are isolated outputs the two relays can be connected either in series or in parallel depending on the needs of a specific installation Connecting the contacts in parallel does not increase the current carrying capacity of the system If safety is the primary concern for a given installation connect the
23. set time The alarm condition must be absent continuously for the Delay Time for the alarm to be cleared PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Power Consumption This tab displays the current that the module consumes for each voltage provided by the power supply Terminals If Variable Mode is selected in the module Properties you can use this tab to map I O variables to the reference memory addresses used by the PSM module GFK 2749 Chapter 3 Configuration and Data Transfer 3 9 Data Transfer PSM Status Flags The PSM returns 80 status flag bits to the RX3i controller Those 80 bits are grouped into five 16 bit words The first status word 11 116 contains the overall PSM status flags The following two words l17 96148 contain the individual grid measurement faults These flags identify the voltage current channel experiencing a measurement problem It can be one or multiple problems related to Input signal not present that is it is indicated as not measured in the corresponding Q flag bit AND it cannot be reconstructed by the PSM module firmware nput signal is measured but it is clamped due to a higher peak voltage current value than the maximum value allowed to be applied to the interface unit The last two status words l49 96180 contain the individual grid status flags including the ANSI alarms Status Alarm Timing l Bit A B AB See Offset
24. since power up or the last reset 6 Relay open Works with bit 32 to control the Sync Relay operation For more information see Relay Open Relay Close Operation on page 3 21 GRID 2 Operation O disabled 1 enabled If disabled the PSM system does no measurements for the GRID 2 power grid Note Both grids bits Q1 and Q17 must be enabled in order for the PSM module to act as a 2 source synchronizer GRID 2 Voltage selection O low voltage range 120VAC 1 high voltage range 600VAC Caution The voltage range is determined by the physical connections in the system Changing this bit to a value that does not match the physical configuration will result in erroneous power system measurements 19 GRID 2 Grid Operational mode 0 single phase 1 three phase 20 GRID 2 Connection mode Works with the Operational mode setting to determine system type e For single phase mode 0 3 single phases 1 3 wire single phase using PTA and PTB e For 3 phase mode 0 WYE 1 DELTA NO x C2 N N _ _ O CO 00 Y GRID 2 PTA CA measurement 0 not measured 1 measured Refer to Reconstructed Variables p 3 21 22 GRID 2 CTA measurement 0 not measured 1 measured Refer to Reconstructed Variables p 3 21 23 GRID 2 PTB measurement 0 not measured 1 measured Refer to Reconstructed Variables p 3 21 24 GRID 2 CTB measurement 0 not measured 1 measured Refer to Reconst
25. the lowest acceptable frequency for the grid ANSI 810 Over frequency Protection Detection of abnormally high frequency compared to the nominal frequency to monitor power supply quality The alarm will be triggered if a circuit s frequency is above the nominal frequency plus OVER FRQ THR for a time period longer than OVER FRQ DELAY The alarm will be cleared when a circuit s frequency falls below the nominal frequency plus OVER FRQ THR for a time period longer than OVER FRQ DELAY OVER FREQ THR is an absolute frequency in Hz that is added to the nominal frequency to determine the highest acceptable frequency for the grid 1 10 PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 ANSI Functions for GRID 2 Generator Generator Grid Protection It is the responsibility of the user to verify that the system has sufficient frequency stability to maintain the current phase trend during the synchronization process This requirement is especially true for long breaker delays Failure to maintain frequency stability during synchronization may result in personal injury equipment damage or both ANSI 25 Generator amp Public Grid Synchronization The PSM module can synchronize two sources from either a static phase angle or a rotating phase angle In static phase angle synchronization the overall PLC control system holds the two grids at the same amplitudes frequencies and phase angles and then requests that the
26. time to stabilize into synchronization Angle Delay Angle Delay is a value in degrees that accounts for both the rate of change of the phase shift between the grids and the breaker delay Angle Delay is the angle through which the synchroscope needle travels between the moment the PSM sets the CloseRelayOK bit to close the IC694ACC200 relay contacts and when the physical contacts on the sync relay actually close Angle Delay 360 x AF x Bdly Where AF Grid 2 Frequency Grid 1 Frequency Bdly breaker delay in seconds The Breaker Delay PSM configuration parameter must include all the delays introduced between the PSM module and the synchronizing contacts For example the IC694ACC200 Terminal Assembly relay outputs have a turn on time of 20ms see Specifications on page 1 5 and a given contactor has a published closing time of 80ms The Breaker Delay parameter should be set to the sum of all delays or 100ms in this example Ideally the actual breaker delay time will be measured during installation commissioning and used in the application to compensate for component variations PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Slow Rotating Phase Angles In rotating phase angle synchronization the PSM sets and clears the PhaseShiftOK status bit based on the Angle Delay value In slowly rotating phase angles where Angle Delay lt Phase_Shift_Thr 2 2 noise induced jitter in the zero cro
27. 0 Over Current Threshold IZ 110 ANSI 50 Over Current Delay sec 10 0 ANSI 59 Over Voltage Threshold 115 ANSI 59 Over Voltage Delay sec 10 0 ANSI 60 vl Imbalance Threshold 10 ANSI 60 VI Imbalance Delay sec 10 0 ANSI 810 Under Frequency Threshold Hz 0 5 ANSI 810 Under Frequency Delay sec 10 0 ANSI 810 Over Frequency Threshold Hz 0 5 ANSI 810 Over Frequency Delay sec 10 0 GFK 2749 Q Configuration Values This table shows the settings for both grids These bits must be set during the first PLC scan when the PLC transitions to run mode Q offset 2 3 amp 4 and 18 19 amp 20 set the PSM for the field voltage and power configuration Setting these values incorrectly will yield invalid readings All remaining bits may be changed during run mode to adapt to changing field conditions Q Bit c 2 GRID 1 Voltage Selection 0 120VACrange GRID 1 Connection mode 0 4 wire Wye powersystem 10 i 12 GRID 1 Waveform Capture 0 Setthis to capture a waveform 13 GRID 1 Delta Mode Delta Mode only affects Delta configurations a Reed 0 Aweszeo 15 GRID 1 Energy reset 0 Set this to reset Energy value to Zero Clear this bit AND set bit 32 to request synchronizing the Grids 7 18 GRID 2 Voltage Selection o 120VAC range SSS E 20 GRID 2 Connection mode 0 4 wire Wye power system 1 22 23 24 25 26 27 28 GRID 2 Waveform Capture 0 Setthis to ca
28. 2 parameters Note that the offset and gain values were found on the IC694PSMO001 module faceplate label and on the IC694ACC200 terminal assembly label The Nominal Voltage is the anticipated Phase to Phase voltage in the Delta configuration Though phase to ground is 120VAC the 1 1 PTs will be connected from phase to phase so the range must be set to 600VAC to accommodate the 208V phase to phase voltage The maximum Load Current of 87 0A through 100 5 CTs will deliver 4 350A to the IC694ACC200 Terminal Assembly Grid 1 or Grid 2 Tab 0 6 IC694PSM001 Settings bng Grid ANSI Protection Power Consumption biam Sev Nominal Voltage volts Nominal Current Amps Nominal Frequency Hz Module Offset Module Gain VATL Gain A Gain VBIL Gain VBT1H Gain CIL Gain VCT1H Gain L1 Gain NT Gain GFK 2749 Chapter 3 Configuration and Data Transfer 3 35 ANSI Protection Tab Note that synchronization s an option in 3 phase mode so the ANSI 25 parameters can be left at their default values or changed to suit the application The Breaker Delay value 3 36 0 6 IC694PSM001 Settings Grid id ANSI Protection Power Consumption ANSI 25 Phase Shift Threshold degrees 10 0 ANS 25 Breaker Delay msec 125 ANS 25 Delta Voltage Threshold 10 ANSI 25 Delta Frequency Threshold Hz 0 1 ANS 27 Under Voltage Threshold 72 390 ANSI 27 Under Voltage Delay sec 10 0 ANS 32 Reverse Power Threshold 10 ANS 32
29. 305 II Settings Grid rdg ANS Protection Power Consumption Parameters ANSI 25 Phase Shift Threshold degrees 10 0 ANSI 25 Breaker Delay msec U ANSI 25 Delta Valtage Threshold x 10 ANSI 25 Delta Frequency Threshold Hz 0 1 ANSI 27 Under Voltage Threshold 2 90 ANSI 27 Under Voltage Delay sec 10 0 ANSI 32 Reverse Power Threshold 10 ANSI 32 Reverse Power Delay sec 10 0 ANSI 50 Over Current Threshold 110 ANSI 50 Over Current Delay sec 10 0 ANSI 59 Over Voltage Threshold 5 115 ANSI 59 Over Voltage Delay sec 10 0 ANSI 60 Imbalance Threshold 5 10 ANSI 60 VI Imbalance Delay sec 10 0 ANSI 811 Under Frequency Threshold Hz 10 5 ANSI 811 Under Frequency Delay sec 10 0 ANSI 510 Over Frequency Threshold Hz 0 5 ANSI 810 Over Frequency Delay sec 10 0 GFK 2749 Q Configuration Values This table shows the settings for Grid 1 The same settings apply to the Grid 2 control bits These bits must be set during the first PLC scan when the PLC transitions to run mode Q offset 2 3 4 4 and 18 19 20 set the PSM for the field voltage and power configuration Setting these values incorrectly will yield invalid readings All remaining bits may be changed during run mode to adapt to changing field conditions Q Bit Offset Function Value Comment 1 GRID 1 Operation Enable grid 1 GRID 1 Voltage Selection L9 120VAC range GRID 1 Grid Operational Mode p 3 Single phase GRID 1 C
30. 55011 Group 1 Class A EN55016 2 3 30 230 Mhz 50 4 dBuV m 230 1000 Mhz 57 4 dBuV m 47 CFR 15 30 88 Mhz 49 5 dBuV m 88 216 Mhz 53 9 dBuV m 216 960 Mhz 56 8 dBuV m 960Mhz 59 9 dBuV m EMC Immunity applies to CE Marked modules EMC Requirements amp Test for Zone B Programmable Controllers Electrostatic Discharge EN 61000 4 2 8KV Air 4KV Contact RF Susceptibility EN 61000 4 3 10 Vrms m 0 80 1 0GHz 3 Vrms m 1 4 2 0GHz 1 Vrms m 2 0 2 7Ghz Fast Transient Burst EN 61000 4 4 Unshielded l O Signal 1KV Surge Withstand EN 61000 4 5 Unshielded I O Signal 1kV CM 0 5kV DM Damped Oscillatory Wave ANSI IEEE C37 90a Unshielded I O Signal 2 5kV CM 2000 EN 61000 4 12 1MHz 400Hz rep rate EN 61000 4 18 Conducted RF EN 61000 4 6 Unshielded I O Signal 10V me 1 EN 61000 4 x series of tests are technically equivalent to the IEC 61000 4 x series 2 Not applicable for communication I O I O power Auxiliary power output or DC Input power lines whose maximum installed length is less than 3m 9 1ft 3 Not applicable to RS232 ports and those ports limited to 30m 98ft or less 4 Not applicable to communication or I O lines whose maximum installed length is 3m 09 1ft or less A 2 PACSystems RX3i Power System Measurement Module February 2013 GFK 2749 Government Regulations U S Canadian Australian and European regulations are intended to prevent equipment from interfering with approv
31. B2H Gain IB2 Gain VC2L Gain VCCH Gain IC2 Gain INZ Gain PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 ANSI Protection Tab Note that synchronization s an option in 3 phase mode so the ANSI 25 parameters can be left at their default values or changed to suit the application GFK 2749 Chapter 3 Configuration and Data Transfer 0 6 IC694PSM001 RX3i CPE305 II Settings Grid rdg ANS Protection Power Consumption Parameters ANSI 25 Phase Shift Threshold degrees 10 0 ANSI 25 Breaker Delay msec U ANSI 25 Delta Valtage Threshold x 10 ANSI 25 Delta Frequency Threshold Hz 0 1 ANSI 27 Under Voltage Threshold 2 90 ANSI 27 Under Voltage Delay sec 10 0 ANSI 32 Reverse Power Threshold 10 ANSI 32 Reverse Power Delay sec 10 0 ANSI 50 Over Current Threshold 110 ANSI 50 Over Current Delay sec 10 0 ANSI 59 Over Voltage Threshold 5 115 ANSI 59 Over Voltage Delay sec 10 0 ANSI 60 Imbalance Threshold 5 10 ANSI 60 VI Imbalance Delay sec 10 0 ANSI 811 Under Frequency Threshold Hz 10 5 ANSI 811 Under Frequency Delay sec 10 0 ANSI 510 Over Frequency Threshold Hz 0 5 ANSI 810 Over Frequency Delay sec 10 0 3 45 Q Configuration Values This table shows the settings for both grids These bits must be set during the first PLC scan when the PLC transitions to run mode Q offset 2 3 amp 4 and 18 19 amp 20 set the PSM for the f
32. DELAY This alarm is cleared when the voltage drops below the OVER VOLT THR value for a time period longer than the OVER VOLT DELAY The OVER VOLT THR is a percentage of the nominal voltage ANSI 60 Voltage Current Imbalance Protection An alarm will be triggered if any phase voltage or current reading varies from the average of all three phases by more than VI IMBALANCE THR for a time period longer than VI IMBALANCE DELAY The alarm is cleared when the imbalance condition is corrected for a time period longer than VI IMBALANCE DELAY IV_IMBALANCE_THR is a percentage of the average of the three phase voltages for voltage imbalance or the three phase currents for current imbalance on a given grid It works with phase to phase voltage in Delta power systems or phase to neutral voltage in WYE Power systems No comparison is performed between the two grids Neutral current is not monitored for imbalance ANSI 81U Under frequency Protection Detection of abnormally low frequency compared to the nominal frequency to monitor power supply quality An alarm will be triggered if a circuit s frequency falls below the nominal frequency minus the UNDER ERO THR for a time period longer than UNDER FRQ DELAY The alarm is cleared when the frequency rises above the nominal frequency minus UNDER FRQ THR for a time period longer than UNDER FRQ DELAY UNDER FREQ THR is an absolute frequency in Hz that is subtracted from the nominal frequency to determine
33. GE Intelligent Platforms Programmable Control Products PACSystems RX3I Power Sync and Measurement system User s Manual GFK 2 749 February 2013 GFL 002 Warnings Cautions and Notes as Used in this Publication Warning notices are used in this publication to emphasize that hazardous voltages currents temperatures or other conditions that could cause personal injury exist in this equipment or may be associated with its use In situations where inattention could cause either personal injury or damage to equipment a Warning notice is used Caution Caution notices are used where equipment might be damaged if care is not taken Note Notes merely call attention to information that is especially significant to understanding and operating the equipment This document is based on information available at the time of its publication While efforts have been made to be accurate the information contained herein does not purport to cover all details or variations in hardware or software nor to provide for every possible contingency in connection with installation operation or maintenance Features may be described herein which are not present in all hardware and software systems GE Intelligent Platforms assumes no obligation of notice to holders of this document with respect to changes subsequently made GE Intelligent Platforms makes no representation or warranty expressed implied or statutory with respect to and assumes
34. GRID E me Frequency SS GRID 1 Total 15 minute Active Power 24 Demand GRID 1 Total 15 minute Reactive Power 25 Demand 36 GRID 1 Total Active Energy LW 37 GRID Total Active Energy MSW CAC I GRID 2 Phase An Voltage RMS value WYE EGG only phase to neutral In Delta configuration always O 37 GRID 2 Phase Ap Voltage RMS value WYE and Delta configurations phase to phase GRID 2 Phase Bn Voltage RMS value WYE configuration only 36 phase to neutral In Delta configuration always 0 WYE and Delta C common configurations Delta B common always O WYE and Delta C common 39 GRID 2 Phase B Current RMS value configurations Delta B common always 0 GRID 2 Phase Cn Voltage RMS value WYE configuration only 42 l i phase to neutral In Delta configuration always 0 Chapter 3 Configuration and Data Transfer 3 15 GRID 2 Phase Bp Voltage RMS value ae phase to phase 3 16 AI Word B GRID 2 Phase Cp Voltage RMS value WYE and Delta B common phase to phase configurations i i Delta C common always 0 GRID 2 Phase C Voltage DC component PA WYE and Delta B common GRID 2 Phase C Current RMS value configurations Delta C common always 0 46 GRID 2 Phase G Active Power a7 GRID 22 Phase C Reactive Power 48 GRID 2 Neutral Current RMS vue 49 GRID 2 Total Active Power 50 GRID2 TotalReactve Power S
35. I Functions for GRID 1 Public Grid Load Protection ANSI 27 Under voltage Protection Under voltage Protection monitors voltages to protect motors against voltage sags The PSM monitors the phase to phase voltage in a delta power system or phase to neutral voltage in a wye power system as a percentage of the Nominal Voltage parameter An alarm will be triggered if any voltage falls below the specified UNDER_VOLT_THR value for a time period longer than UNDER VOLT DELAY The alarm is cleared when the grid voltage rises above the UNDER_VOLT_THR value for a time period longer than UNDER VOLT DELAY The UNDER VOLT THR is a percentage of the nominal voltage ANSI 32 Reverse Power Protection Reverse Power Protection provides protection from excessive reverse active power produced by motors running as generators supplying power An alarm will be triggered if a circuits active power exceeds the REV PWR THR for a time period longer than REV PWR DELAY The Alarm will be cleared when the active power exceeds the REV PWR THR for a time period longer than REV PWR DELAY The REV PWR THR is a percentage of the nominal power which in a 3 phase system is three times the nominal voltage multiplied by the nominal current ANSI 47 Voltage Phase Sequence Protection This function monitors the sequence of the phase A B and C voltages Detection of a wrong sequence A C B for example triggers an alarm An entire cycle of waveforms is required to mak
36. PSM module synchronize the grids To select this mode set the Breaker Delay parameter to Oms In rotating phase angle synchronization the overall PLC control system holds the two grids at the same amplitudes while keeping the frequencies at slightly different values so the two grids gradually go in and out of phase The PLC then requests that the PSM module synchronize the grids whenever it is safe to do so To select this mode set the Breaker Delay parameter to the non zero value that corresponds to the time required for the synchronization contacts to close See ANSI Protection Parameters in chapter 3for more details on setting the breaker delay For safe synchronizing i e connecting the generator grid with the public grid in addition to having no faults in either the public or generator grids the following three parameters must be within their specified limits voltage matching Delta Voltage between public grid and generator grid all measured phase voltages considered frequency difference Delta Frequency between public grid and generator grid angle Phase Shift between public grid and generator grid using phase A voltages Voltage Matching For synchronization the Grid 2 RMS voltage must be within DELTA_VOLT_THR of the Grid 1 RMS voltage DELTA_VOLT_THR is a percentage of the measured Grid 1 voltage There is no delay for setting or clearing this DeltaVoltOK status bit Frequency Difference For synchroniz
37. Reverse Power Delay sec 10 0 ANSI 50 Over Current Threshold 72 110 ANS 50 Over Curent Delay sec 10 0 ANSI 59 Over Voltage Threshold 115 ANS 59 Over Voltage Delay sec 10 0 ANSI BU VI Imbalance Threshold 10 ANSI 60 VI Imbalance Delay sec 10 0 ANSI 8110 Under Frequency Threshold Hz 10 5 ANSI B1LI Under Frequency Delay sec 10 0 PACSystems RX3i Power Sync and Measurement System February 2013 ANS 810 Over Frequency Threshold Hz 0 5 ANSI 810 Over Frequency Delay sec 10 0 of 125ms allows the PSM to perform a rotating phase angle synchronization closing the contacts right at 0 when the grid frequencies are held steady during the sync process GFK 2749 Q Configuration Values This table shows the settings for Grid 1 The same settings apply to the Grid 2 control bits These bits must be set during the first PLC scan when the PLC transitions to run mode Q offset 2 3 4 4 and 18 19 20 set the PSM for the field voltage and power configuration Setting these values incorrectly will yield invalid readings All remaining bits may be changed during run mode to adapt to changing field conditions Turning off the Phase B measurements sets the PSM to reconstruct the Vbc phase voltage and the IB current values Q Bit gt GRID 1 Operation Enable grid 1 GRID 1 Voltage Selection 600VAC range IAT measurement is on GRID 1 CTB measurement GRID 1 PTC measurement VC1 measurement is on 17 31 Grid
38. S 5 GRD2 TeaPowrfado S 52 GRD2 UmeFeqeny GRID 2 Total 15 minute Active Power 53 Demand GRID 2 Total 15 minute Reactive Power 5A Demand C s GRID 2 Total Active Energy LSW SSCS 56 GRID2 ToaAdeEnegy MSW OOOO S GRID 2 Total Reactive Energy LSW 58 GRID 2 Total Reactive Energy MSW 59 Phase Shift between GRID 1 and GRID 2 Phase A CA voltages Te FW version Captured sample Diagnostic ee data PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Signal Data from the PSM Module for One 3 Wire 1 Phase System GFK 2749 If the PSM module is configured as one 3 wire single phase system 600 1200 or 120 240 the data returned to the PLC are as follows N o 09 GRID 1 Section B Voltage DC component 90 1 GRID 1 Section B Current RMS value i NE GRID 1 Section B Active Power 10 11 12 en 48 49 50 to A to A N A GRID 2 Section A Voltage DC component GRID 2 Section A Current RMS value GRID 2 Section A Active Power GRID 2 Section B Voltage RMS value GRID 2 Section B Voltage DC component N 37 48 GRDZNewaCumm RMSvdue SS 49 GRD2 TeaAdwePowr SSCS S0 GRID2 Total Reactive Power SSS S S GRID 1 Section B Reactive Power GRID 1 Total 15 minute Active Power Demand GRID 2 Section A Reactive Power Chapter 3 Configuration and Data Trans
39. agram illustrates the wiring of an open delta system utilizing the two wattmeter method of measurement When used for paralleling the two grids the missing voltage and current inputs must be configured as unused so the PSM can reconstruct those signals Fuses on the PT primaries and secondaries are required A fuse failure is an indication of wiring problems within the system Public Grid Breaker ToLoad Breaker Connections L1 e ANN Generator a a TY L2 eal a me Y Frame Ground Y la1 la2 Y la1 la2 5 Y Ic1 Ic2 Ic1 Ic2 CT Shorting Block CT Shorting Block PTs PTs SAS S h Vat Va2 UE E pu 9 E f E Vc1 1A Fuses on ie secondary COM Frame Ground 2 18 PACSystems RX3i Power System Measurement Module February 2013 COM2 VCZ K 1A Fuses on secondary P GFK 2749 Scaling for PT and CT Ratios The IC694PSMO01 module reports the voltages and currents measured at the IC694ACC200 terminals Therefore the application logic must correct for PT and CT ratios to reflect the actual power grid voltages currents powers and energies Example Using 480V 120V PTs requires the application logic to multiply the reported voltage values by 4 Using 100 5 CTs requires the application logic to multiply the reported current values by 20 Since power and energy combine voltage and current the reported power and energy value
40. al Voltage parameter Range 0 to 99 Default 90 GFK 2749 Parameter Function ANSI 27Under Voltage Delay i The amount of time a phase voltage must remain below the sec Under Voltage Threshold before the Under Voltage Alarm status is set Range 0 1 to 3276 7 Default 10 0 ANSI 32 Reverse Power Threshold The percentage of nominal power that determines when the Reverse Power Alarm status is set after the Reverse Power Delay Nominal Power Nominal Voltage x Nominal Current For Grid 1 the Reverse Power alarm will be triggered if a circuits active power exceeds the Reverse Power Threshold for a time period longer than Reverse Power Delay For Grid 2 the Reverse Power alarm will be triggered if a circuit s active power falls below the Reverse Power Threshold for a time period longer than Reverse Power Delay Range 100 to 99 Default 10 ANSI 32 Reverse Power Delay The amount of time a grid must remain below the Reverse sec Power Threshold before the Reverse Power Alarm status is set Range 0 1 to 3276 7 Default 10 0 ANSI 50 Over Current Threshold The current above which the Over Current Alarm status is set after the Over Current Delay as a percentage of the Nominal Current parameter Range 110 to 250 Default 110 ANSI 50 Over Current Delay The amount of time a phase current must remain above the sec Over Current Threshold before the Over Current Alarm status is set Range 0 1 to 3276 7 Defau
41. al voltage in WYE Power systems No comparison is performed between the two grids Neutral current is not monitored for imbalance GFK 2749 Chapter 1 PSM Module Description and Specifications 1 17 ANSI 81U Under frequency Protection Detection of abnormally low frequency compared to the nominal frequency to monitor power supply quality An alarm will be triggered if a circuit s frequency falls below the nominal frequency minus the UNDER_FRQ_THR for a time period longer than UNDER ERO DELAY The alarm is cleared when the frequency rises above the nominal frequency minus UNDER FRQ THR for a time period longer than UNDER FRQ DELAY UNDER FREQ THR is an absolute frequency in Hz that is subtracted from the nominal frequency to determine the lowest acceptable frequency for the grid ANSI 810 Over frequency Protection Detection of abnormally high frequency compared to the nominal frequency to monitor power supply quality The alarm will be triggered if a circuit s frequency is above the nominal frequency plus OVER FRQ THR for a time period longer than OVER FRQ DELAY The alarm will be cleared when a circuit s frequency falls below the nominal frequency plus OVER FRQ THR for a time period longer than OVER FRQ DELAY OVER FREQ THR is an absolute frequency in Hz that is added to the nominal frequency to determine the highest acceptable frequency for the grid 1 18 PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Chapt
42. ase protection against overloads and phase to phase short circuits The alarm will be triggered if any phase current exceeds the specified OVER CURR THR voltage value for a time period longer than OVER CURR DELAY The OVER CURR THR is a percentage of the nominal current ANSI 59 Over voltage Protection This provides detection of abnormally high phase voltage It works with phase to phase voltage in Delta power systems or phase to neutral voltage in WYE Power systems Each voltage is monitored separately An alarm will be triggered if any voltage exceeds the specified OVER VOLT THR value as a percentage of the Nominal Voltage parameter for a time period longer than OVER VOLT DELAY This alarm is cleared when the voltage drops below the OVER VOLT THR value for a time period longer than the OVER VOLT DELAY The OVER VOLT THR is a percentage of the nominal voltage ANSI 60 Voltage current Imbalance An alarm will be triggered if any phase voltage or current reading varies from the average of all three phases by more than VI IMBALANCE THR for a time period longer than VI IMBALANCE DELAY The alarm is cleared when the imbalance condition is corrected for a time period longer than VI IMBALANCE DELAY IY IMBALANCE THRisa percentage of the average of the three phase voltages for voltage imbalance or the three phase currents for current imbalance on a given grid It works with phase to phase voltage in Delta power systems or phase to neutr
43. at synchronization s an option in 3 phase mode so the ANSI 25 parameters can be left at their default values or changed to suit the application GFK 2749 Chapter 3 Configuration and Data Transfer 0 6 IC694PSM001 RX3i CPE305 II Settings Grid rdg ANS Protection Power Consumption Parameters ANSI 25 Phase Shift Threshold degrees 10 0 ANSI 25 Breaker Delay msec U ANSI 25 Delta Valtage Threshold x 10 ANSI 25 Delta Frequency Threshold Hz 0 1 ANSI 27 Under Voltage Threshold 2 90 ANSI 27 Under Voltage Delay sec 10 0 ANSI 32 Reverse Power Threshold 10 ANSI 32 Reverse Power Delay sec 10 0 ANSI 50 Over Current Threshold 110 ANSI 50 Over Current Delay sec 10 0 ANSI 59 Over Voltage Threshold 5 115 ANSI 59 Over Voltage Delay sec 10 0 ANSI 60 Imbalance Threshold 5 10 ANSI 60 VI Imbalance Delay sec 10 0 ANSI 811 Under Frequency Threshold Hz 10 5 ANSI 811 Under Frequency Delay sec 10 0 ANSI 510 Over Frequency Threshold Hz 0 5 ANSI 810 Over Frequency Delay sec 10 0 3 39 Q Configuration Values This table shows the settings for Grid 1 The same settings apply to the Grid 2 control bits These bits must be set during the first PLC scan when the PLC transitions to run mode Q offset 2 3 amp 4 and 18 19 amp 20 set the PSM for the field voltage and power configuration Setting these values incorrectly will yield invalid readings All remaining bits may be cha
44. ation the Grid 2 frequency must be within DELTA_FREQ_THR of the Grid 1 frequency DELTA_FREQ_THR is an absolute frequency difference in Hz GFK 2749 Chapter 1 PSM Module Description and Specifications 1 11 Phase Angle For synchronization the two grids must be connected when the phase angle difference between the grids is in the range of EPHASE SHIFT THR and ideally at the point when the two grids are exactly in phase The phase shift threshold represents an angle window in electrical degrees usually 10 around the 0 value where it is safe to connect the two grids The phase shift between the grids can be a rapidly changing value in a rotating system Additionally the breaker delay can be significant hundreds of milliseconds Therefore in rotating phase synchronization the moment for commanding the sync relay to close must shift forward to compensate for the time it takes for the contacts to close For example the window of opportunity for commanding relay closure could happen between 25 and 15 in order for the contacts to close when the grids are truly in phase This angle offset is a function of the frequency difference and therefore the rate of change of the phase shift and the breaker delay Once the CloseRelayOK bit is set it remains set until either the breaker delay 24 power cycles passes or the phase shift enters and then leaves the xPhase Shift Thr window This gives the contacts time to settle and the two grids
45. ation for 600VAC Single Phase System The following shows a typical hardware configuration for a signal phase 3 wire power monitoring application This example shows settings for Grid 1 all the settings can be applied to the respective Grid 2 parameters Empirical measurement showed that the system runs nominally around 595VAC RMS with a maximum load after the CT ratio of 3 A RMS The offset and gain values are shown at their default values For maximum accuracy the offset and gain values must be set based on the IC694PSMO001 module faceplate label and on the IC694ACC200 terminal assembly label calibration constants Note that the 600V range will accurately measure voltages to slightly above 690VAC RMS The Nominal Voltage is the anticipated Phase to Neutral voltage in the single phase configuration Grid 1 or Grid 2 Tab 0 6 IC694PSM001 RX3i CPE305 II Settings Gridi Giid2 ANSI Frotection Power Consumption ena DARY Nominal Yoltage v alts gt gt gt gt Module Offset Module Gain VA TL Gain 141 Gain VBTL Gain VBIH Gain IB1 Gain CIL Gain INT Gain GFK 2749 Chapter 3 Configuration and Data Transfer 3 29 3 30 ANSI Protection Tab Note that synchronization is not an option in single phase mode so the ANSI 25 parameters have no effect and can be left at their default values PACSystems RX3i Power Sync and Measurement System February 2013 0 6 IC694PSM001 RX3i CPE
46. ay sec 10 0 3 27 Q Configuration Values This table shows the settings for Grid 1 The same settings apply to the Grid 2 control bits These bits must be set during the first PLC scan when the PLC transitions to run mode Q offset 2 3 4 4 and 18 19 20 set the PSM for the field voltage and power configuration Setting these values incorrectly will yield invalid readings All remaining bits may be changed during run mode to adapt to changing field conditions Q Bit Offset Function Value Comment 1 GRID 1 Operation Enable grid 1 GRID 1 Voltage Selection L9 120VAC range GRID 1 Grid Operational Mode p 3 Single phase GRID 1 Connection mode 3 wire single phase using PTA and PTB GRIDTPTA CA measurement 1 VAT measurementison 6 GRIDI CTA measurement 1 TAT measurements on 7 GRID 1 PTB measurement 1 VBT measurementis an 8 GRID 1 CTB measurement 1 187 measurements on 9 GRID PTC measurement 0 VC1 measurements off 10 GRID 1 CTC measurement 0 101 measurementis off 11 GRID CTN measurement 0 INT measurementis off 12 GRID Waveform Capture 0 Setthis to capture a waveform 18 GRIDiDetaMode 0 Delta Mode is for phase 4 Reserved 0 mazo 15 GRiDiEnegyrest 0 Set tnis to reset Energy value to Zero 32 Relay lose 0 AwaysOfesgnaphae 3 28 PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Configur
47. de Although Grid 1 and Grid 2 are interchangeable you should connect the most stable source to Grid 1 Between a utility grid and a generator the utility grid is the best choice for connection to the PSM Grid 1 inputs This will yield the most accuracy and the least reading to reading fluctuation Requirements for Terminal Assembly Connections Terminal Assembly connections above 600VAC required prepared wire ends such as tinning of the conductors or use of crimpled or soldered forked connectors or ferrules Terminal connections for COM1 COM2 voltage sensing and current sensing terminals Terminal torque 1 81 Nm 16 in Ib Wiring size type 0 823 mm 5 26 mm 18 10 AWG solid stranded Relay output terminal connections Terminal torque 0 8 Nm 7 in Ib Wiring size type 0 205 mm 0 410 mm 30 12 AWG solid stranded Potential transformers MUST be used for voltage isolation and scaling purposes Current Transformers must be used for all current measurements Please refer to the following diagrams Terminal Assembly Frame Ground Connection The basic system configuration consists of the host controller the PSM and the Terminal Assembly Interface cables are used to connect the PSM to the Terminal Assembly The Terminal Assembly must have frame ground connected to ensure that the metal case on the Terminal Assembly is safely at ground potential In the diagrams following specific wiring configurations are detailed Make sure that the
48. dissipate the heat generated by all components mounted inside so that no components overheat Heat dissipation is also a factor in determining the need for enclosure cooling options such as fans and air conditioning Installing the PSM Module Due the the nature of the power systems monitored by the PSM system careful consideration must be given to the effects on these systems before the PSM module is either hot removed or hot inserted into the host controller backplane The PSM module must be installed in a main CPU rack in an RX3i system For system level installation information refer to the PACSystems RX3i System Manual GFK 2314 The IC694PSMOO1 Module can be hot swapped in an RX3i backplane Installing the Terminal Assembly The Terminal Assembly must be securely installed on a rigid conductive 12 14 gauge steel panel using four user supplied M4 M5 or 8 10 SAE bolts The Terminal Assembly should be mounted near the host controller rack containing the PSM module close enough to accommodate the 2 meter interface cables provided HIGH VOLTAGE HIGH CURRENT After connecting the power system wiring and before applying power the plastic finger guards must be installed on the Terminal Assembly GFK 2749 Chapter 2 Installation 2 3 Connector and Cabling Information Basic PSM System Connections Grid 1 power system connections to user PTs with fuses and CTs with shorting bars Sync Contacts 2 4000H
49. dule and the Terminal Assembly are installed correctly This means GRID1 on the Terminal Assembly is connected to GRID 1 on the PSM module GRID2 on the Terminal Assembly is connected to GRID 2 on the PSM module The same voltage range is used for these connections Under special installations the user can use a different arrangement but then must ignore this indication 9ol offset 8 bit is the new data bit that indicates this is the first PLC scan where this power data is available The remaining 9ol status bits indicate alarms ANSI functions and signal quality information For the functions of the l bits refer to PSM Status Flags in chapter 3 4 1 4 2 Point Faults Enabling Point Faults on the CPU Memory tab allows the use of Fault and No Fault contacts to alert the PLC logic to an issue with the PSM module See the PACSystems CPU Reference Manual GFK 2222 for more details Point Fault Configuration 0 2 IC695CPU320 Settings Scan Memory Faults Port 1 Port 2 Reference Points o System 204 Sustem 256 System SL Sustem 2 Temporary Status l Genus Global Total Reference Paints Reference Words ZD Analog Input AL Analog Output HA Register Memory zw Bulk Memory Total Reference wards Symbolic Discrete E of Bits Symbolic Mon Discrete H of Words LO Discrete H of Bits LO Mon Discrete E of Words Total Managed Memory Bytes Total User Memory Req
50. e PSM is a semi autonomous module running on the RX3i backplane If the PLC goes to Stop Mode or the CPU is lost due to over temperature or a watchdog timeout the PSM continues to operate with the last directive received from the CPU If the CPU had requested the synchronization of Grid 1 and Grid 2 when all sync parameters are met the PSM will assert RelayCloseOK and close its relay output contacts even when the PLC is in Stop Mode Care must be taken to leave the Sync request in a known state when transitioning to stop mode When Grid 1 and Grid 2 are synchronized the PSM cannot be reset or cleared and it will not accept a new hardware configuration from the CPU Once synchronized the PSM can only be cleared in preparation for receiving a new configuration by first commanding the PSM to release the grid synchronization simultaneously set Q offset 16 to 1 and clear Q offset 32 to 0 or by removing power from the PSM module Mission Critical applications must have a redundant PSM system to take over the grid synchronization from the Primary PSM if the primary controller can no longer perform its function GFK 2749 Chapter 1 PSM Module Description and Specifications 1 7 Frequency Measurement Healthy three phase power systems produce three almost identical sinusoidal voltage waveforms that swing from positive to negative voltage at a frequency of either 50 or 60 times per second 50 60Hz The PSM determines the frequency of the power lin
51. e application code after the next PLC input data scan Total latency 1 cycle 11ms 0 to PLC scan time Update rate 1 cycle or the PLC scan rate whichever is longer Timing B The PSM updates this information every 100ms The new status bits are available to the application code after the next PLC input data scan Update rate 100ms or the PLC scan rate whichever is longer Timing AB AllGridAlarmsOK follows the timing of the alarm that causes it to be cleared or set GFK 2749 Chapter 3 Configuration and Data Transfer 3 13 PSM Signal Input Data The PSM module reports its analog data in 16 bit integer pseudo actual values The integer values are a fixed power of 10 offset from the actual measured value at the Terminal Assembly The following table lists the units of measure of each type of signal For example voltage is reported in 0 1V units so a voltage reading of 1256 125 6V Units of Measure ACTIVE POWER P 1 W 2478 2 478W POWER FACTOR PF 0 001 923 0 923 LINE FREQUENCY LF 0 01 Hz 6001 60 01Hz PHASE SHIFT PS 0 1 electrical degree 257 25 7 Signal Data from the PSM Module for Two 3 Phase or Three 1 Phase Systems 3 14 If the PSM module is configured as two 3 phase or 3 x single phase systems the following data is reported data to the host controller Note Not all values are updated for all configuration types Al Word 4 GRID 1 Phase An Voltage RMS value WYE conf
52. e by looking for the zero crossings which are places where the voltage crosses zero volts going from positive to negative or from negative to positive Only phase A voltages are used for the zero crossing detection so phase A must be always present on one or the other grid Zero Crossings Time Voltage Frequency Measurement Notes PSM preferentially chooses Grid 1 VA zero crossing as the reference for signal sampling Inthe absence of Grid 1 VA PSM uses Grid 2 VA zero crossing Inthe absence of either VA signal grid frequencies will be reported as OHz and the remaining inputs will be sampled at a rate of 128 samples per 25ms New data will be updated at 25ms intervals This may create sporadic looking individual readings but a 10 cycle average will be fairly steady and accurate When the difference in frequency between Grid 1 and Grid 2 is large the Grid 2 RMS readings will vary from cycle to cycle however a 10 cycle average will be fairly steady and accurate 1 8 PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 ANSI Functions Supported The Grid 1 and Grid 2 functions are similar but with differences in implementation Grid 1 is assumed to be the most stable power source such a utility Grid 2 is assumed to be a less stable power source such as a back up generator Either or both grids can be connected for load monitoring such as motors lighting HVAC or server room power ANS
53. e of the Grid 1 or Grid 2 nominal current Parameter 14 or 29 means that the Grid s total active power under normal conditions is expected to have a negative sign The user is responsible for the correct PT CT connections to get the negative sign for the active power of each phase PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Index Parameter Value e AQ Word 1 AQ Word 2 Default value Value Limits OVER_CURR_DELAY ANSI 50b 100 0 1 sec 1 to 32767 OVER_VOLT_THR ANSI 59a 115 101 to 250 Rese o o L Zero Capture Diagnostic CERE 0 to 1896 A negative value of the Grid 1 or Grid 2 nominal current Parameter 14 or 29 means that the Grid s total active power under normal conditions is expected to have a negative sign The user is responsible for the correct PT CT connections to get the negative sign for the active power of each phase GFK 2749 Chapter 3 Configuration and Data Transfer 3 23 Zero Capture Diagnostic Operation The value written to parameter index 50 selects the variable that will be written to the Diagnostic Data word Y Al offset 60 in the PSM Signal Input Data The Diagnostic Data word 96Al offset 60 can contain one of the following PSM module firmware version One value of the most recently captured waveform for Grid 1 or Grid 2 DiacnosHc Tube Parameter 50 Variable 9 yp Value reported in Al
54. e this Phase Sequence determination There is no user settable delay parameter so the moment a Phase Sequence error is detected the alarm is set In both systems Delta and WYE the signal at the VA terminal is expected to lead the signal at the VB terminal by 120 degrees The signal at the VB terminal is expected to lead the signal on the VC terminal by 120 degrees Unused reconstructed signal inputs are ignored for Phase Sequence detection The current signals are not monitored for Phase Sequence ANSI 50 Instantaneous Over current Protection This function provides three phase protection against overloads and phase to phase short circuits An alarm will be triggered if any phase current exceeds the specified OVER CURR THR value for a time period longer than OVER CURR DELAY This alarm is cleared when the current value stays below the OVER CURR THR value for a time period longer than OVER CURR DELAY The OVER CURR THR is a percentage of the nominal current GFK 2749 Chapter 1 PSM Module Description and Specifications 1 9 ANSI 59 Over voltage Protection This function provides detection of abnormally high phase voltage It works with phase to phase voltage in delta power systems or phase to neutral voltage in wye power systems Each voltage is monitored separately An alarm will be triggered if any voltage exceeds the specified OVER VOLT THR value as a percentage of the Nominal Voltage parameter for a time period longer than OVER VOLT
55. ed on the PSMOO1 module label Setting this value allows maximum measurement accuracy Range Oh to FFFFh Default 4000h Calibration constant Value provided on the ACC200 Terminal Assembly label Improves the accuracy of the 120V range of channel 1 VA This value can be further adjusted to compensate for inaccuracies of external Potential Transformers and wiring Range Oh to FFFFh Default 4000h Calibration constant Value provided on the ACC200 Terminal Assembly label Improves the accuracy of the 600V range of channel 1 VA This value can be further adjusted to compensate for inaccuracies of external Potential Transformers and wiring Range Oh to FFFFh Default 4000h Calibration constant Value provided on the ACC200 Terminal Assembly label Improves the accuracy of the current measurement of channel 2 IA This value can be further adjusted to compensate for inaccuracies of external Current Transformers and wiring Range Oh to FFFFh Default 4000h Calibration constant Value provided on the ACC200 Terminal Assembly label Improves the accuracy of the 120V range of channel 3 VB This value can be further adjusted to compensate for inaccuracies of external Potential Transformers and wiring Range Oh to FFFFh Default 4000h Calibration constant Value provided on the ACC200 Terminal Assembly label Improves the accuracy of the 600V range of channel 3 VB This value can be further adjusted to compensate for
56. ed transmissions or with the operation of other equipment through the AC power source The PACSystems RX3i family of products has been tested and found to meet or exceed the requirements of U S 47 CFR 15 Canadian ICES 003 Australian AS NZS 3548 and European EN55011 regulations for Class A digital devices when installed in accordance with the guidelines noted in this manual These various regulations share commonality in content and test levels with that of CISPR 11 and based on this commonality testing to the each individual standard was deemed inappropriate The FCC requires the following note to be published according to FCC guidelines Note This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Industry Canada requires the following note to be published Note This Class A digital apparatus complies with Canadian ICES 003 A 3 PACSystem
57. epends on Voltage Selection Nominal Current Amps Enter the maximum anticipated current delivered by the external Current Transformers All process currents must be scaled to a value of 5 Amps or less This value is used by the ANSI calculations to determine overcurrent VI Imbalance and in setting the fault status bits Note Setting a negative Nominal Current value implies that the IC694ACC200 grid inputs are connected to a load drawing power instead of a power source producing power The power and energy values will be reported as negative numbers The CTs must be wired with the correct polarity to achieve the negative power and energy values You are responsible for the correct PTs CTs connections to obtain the negative sign of each reported phase and the total active power RMS current is necessarily reported as a positive number due to the RMS calculations Range 7 5 to 7 5 Default 5 0 Nominal Frequency Hz Select the steady state frequency of the grid This value is used by the ANSI calculations to determine under over frequency Choices 50 60 Default 60 GFK 2749 Chapter 3 Configuration and Data Transfer 3 3 3 4 Parameter Function Module Offset Module Gain VAxL Gain VAXH Gain VBxL Gain VBxH Gain Calibration constant Value provided on the PSMOO1 module label Setting this value allows maximum measurement accuracy Range 1000 to 1000 Default 0 Calibration constant Value provid
58. er GFK 2749 c Installation General WarningS Cautions cccccccseeeeeeceeeeeeeeeeeeeseeeeeesseeeeeseeeeesaeeeeeesneees 2 2 ENCIOSUTO m X bases vauehe mis 2 3 Installing the PSM module eee eee eee 2 3 Installing the Terminal Assembly sse eee eee eee e 2 3 Connector and Cabling information oooccnccoccconononcnnccnnnoncnnononnnnonnnnnnnanennononons 2 4 NAGI Os cr TS 2 10 2 1 General Warnings Cautions 2 2 Installation and wiring procedures must be performed by qualified personnel as defined below Qualified personnel are people who because of their education experience and instruction and their knowledge of relevant standards regulations accident prevention and service conditions have been authorized by those responsible for the safety of the plant to carry out any required operations and who are able to recognize and avoid any possible dangers Definitions for skilled workers according to EN50110 1 HIGH VOLTAGE HIGH CURRENT DO NOT TOUCH the connectors or wiring after powering up the PSM system Hazardous voltages exist and death or injury may result The Terminal Assembly frame ground connection must always be installed and must be installed before any other wiring is attached To reduce risk of electric shock or damage to the attached CTs always open or disconnect all voltage circuits and apply the shorting bar connections to the curre
59. eutral CT optional Three wire three phase delta systems 2 PTs and 2 CTs Three independent single phase systems 1 PT and 1 CT for each phase Three wire single phase systems 120 240 2 PTs and 2 CTs Operating Environment Enclosure mounting Required PSM module and Terminal Assembly must be installed in a NEMA UL Type 1 enclosure or an IP20 rating providing at least a pollution degree 2 environment When this system is installed in an area designated as Class 1 Zone 2 in Europe compliance with the ATEX Directive requires an enclosure with a minimum rating of IP54 PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 System Operation The PSM digitizes the voltage and current input waveforms from Grid 1 and Grid 2 storing the results into internal memory buffers Data is updated every power line cycle Therefore the data is updated every 20ms on a 50Hz power grid or every 16 67ms on a 60Hz power grid While background processes analyze a set of waveforms stored in one memory buffer the next set of waveforms is captured and stored in another buffer In this way calculations are performed on each waveform with the DSP processing the data in about two thirds of a power line cycle PSM Waveform Buffering amp Analysis T Waveform 1 Waveform 2 Waveform 3 T Waveform 4 Waveform 5 Ba Buffer 1 E 3 K AA AA z 5 m HEN N Analysis 1 Wav z lt Tims Analysis 4 Autonomous Operation Th
60. fer 3 17 3 18 60 FW version Captured sample Diagnostic data PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Data Sent from the Host Controller to the PSM Module The RX3i CPU sends 32 Q bits of Mode Control data and 2 AQ Parameter words every sweep to the PSM module Mode Control Bits Sent to PSM module The application logic must apply initial values to these bits on the first RX3i scan The application can change these settings during operation to modify measurement modes in response to changing conditions Q Bit GRID 1 Operation O disabled 1 enabled If disabled the PSM system does no measurements for the GRID 1 power grid Note Both grids bits Q1 and Q17 must be enabled in order for the PSM module to act as a 2 source synchronizer GRID 1 Voltage Selection 0 low voltage range 120VAC 1 high voltage range 600VAC Caution The voltage range is determined by the physical connections in the system Changing this bit to a value that does not match the physical configuration will result in erroneous power system measurements Do not change this value in run mode GRID 1 Grid Operational Mode 0 single phase 1 three phase GRID 1 Connection mode Works with the Operational Mode setting to determine system type e For single phase mode 0 Three single phases 1 Three wire single phase 120 240 using PTA and PTB e For three phase mode 0 WYE 1 DELTA
61. he PLC sets those two bits to either a 0 0 or 1 1 no action state Then after an sync relay disconnection unintentional e g due to some ANSI alarm the PSM will not be able to close the Sync contacts without PLC intervention Relay Open 6Q16 Relay Close Q32 PSMAction IIS E IO Natio GFK 2749 Chapter 3 Configuration and Data Transfer 3 21 Parameters sent to PSM Module 3 22 Many of the configuration parameters can be modified by the application logic during runtime These parameters are set initially when the hardware configuration is downloaded but can be modified during runtime to adjust to changing conditions Parameters are changed using two Word Parameter Write registers in AQ memory The first word contains the parameter index number and the second word contains the parameter value One parameter can be changed per RX3i controller scan Both WAQ locations should be set to a value of O when parameter values are not being changed It is recommended that the AQ Word 2 be set to the desired value first followed by the JoAQ Word 1 being set to the index for at least one PLC scan Then the AQ Word 1 should be set to zero followed by the AQ Word being set to zero Index Parameter Value o AQ Word 1 AQ Word 2 Default value Value Limits GRID 1 MODULE OFFSET o arated wave 100010 1000 E 8 MEAN e oro Sanu E OFFSET o Calibrated valve 100010 1000 A negative valu
62. ield voltage and power configuration Setting these values incorrectly will yield invalid readings All remaining bits may be changed during run mode to adapt to changing field conditions Q Bit c GRID Connection mode 0 4 wire Wye power system 10 i 12 GRID 1 Waveform Capture 0 Setthis to capture a waveform 13 GRID 1 Delta Mode Delta Mode only affects Delta configurations a Reed 0 Aweszeo 15 GRID 1 Energy reset 0 Set this to reset Energy value to Zero Clear this bit AND set bit 32 to request synchronizing the Grids 7 E E 20 GRID 2 Connection mode 0 4 wire Wye power system 1 22 23 24 25 26 27 28 GRID 2 Waveform Capture 0 Setthis to capture a waveform 29 GRID 2 Delta Mode Delta Mode only affects Delta configurations 30 Reserved o mase 31 GRID 2 Energy reset E38 3 Set this to reset Energy value to Zero 32 Relay close Set this bit AND clear bit 16 to request synchronizing the Grids 3 46 PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Chapter 4 Diagnostics PSM Module LED Indicators For details on the system status information provided by the LEDs refer to page 1 2 PSM Module Health Status GFK 2749 The l offset 1 bit is a PSM heartbeat It toggles every RX3i Controller scan as an indication that the PSM module is communicating with the CPU The l offset 2 bit is set to 1 when both cables between the PSM mo
63. iguration for 120 208 WYE Three Phase Four Wire System 3 32 Configuration for 120 208 3 Wire Delta system with Two PTs Two Wattmeter Method COMMON Me e 3 35 Configuration for 120 208 3 Wire Delta system with Two PTs Two Wattmeter Method A 3 38 Configuration for 120 208 4 Wire WYE Synchro Power Control Connection 3 41 Configuration for 480V 4 Wire WYE Synchro Power Control Connection 3 44 DIAQNOSUGS fem 4 1 PSM Module LEDINCI x susce tl east 4 1 PSM Module Health Salus ett Dern e Deu t o rat xv o unis iut us 4 1 AM A Em 4 2 Faultalid NOA UCA a der deat 4 3 Product Certifications and Installation Guidelines for Conformance A 1 AENA A A Nia hae etter Gags Guia OUR ra BO A 1 Environmental Specificatloris 2 ond oa LaM I EM SUE A 2 Government Regulations e oed dem lid A 3 vi PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Chapter PSM Module Description and Specifications 1 The Power Sync and Measurement PSM system monitors two independent three phase power grids It incorporates advanced digital signal processor DSP technology to continuously process three voltage inputs and four current inputs for each grid Measurements include RMS voltages RMS currents RMS power frequency and phase relationship between the phase voltages of both grids The PSM module performs calculations on each captured waveform wi
64. iguration only phase to neutral In Delta configuration always O GRID 1 Phase Ap Voltage RMS value WYE and Delta configurations phase to phase GRID 1 Phase A Voltage DC component GRID 1 Phase A Current RMS value 5 GRIDi PhseAAdMePowr SS 6 GRID 1 Phase A Reactive Power o 7 GRID 1 Phase Bn Voltage RMS value WYE configuration only phase to neutral In Delta configuration always 0 WYE and Delta C common configurations Delta B common always O WYE and Delta C common GRID 1 Phase B Current RMS value configurations Delta B common always O GRID 1 Phase Bp Voltage RMS value phase to phase Although the PSM reports power factor information using three decimal places the information is only accurate to two decimal places PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 GFK 2749 AI Word GRID 1 Phase Cn Voltage RMS value WYE configuration only 13 l phase to neutral In Delta configuration always 0 WYE and Delta B common configurations Delta C common always 0 GRID 1 Phase Cp Voltage RMS value phase to phase WYE and Delta B common configurations Delta C common always 0 7 GRID t Phase Active Power T 18 Tan Phase Reactive Power 19 GRID t Neutral Current RMS value 320 ORD E Total Active Power O 21 GRDi TosReshePowr S 22 GRID Total Power Fator J S 33
65. ity A 2 Indicators 1 2 Initialization data AQ 3 3 3 22 ANSI Protection 3 6 GRID1 and GRID2 3 3 Installation line phasing 2 11 mounting location 2 3 wiring diagrams 2 12 Isolation backplane 1 5 L LEDs 1 2 Measurement accuracy 1 5 specifications 1 5 Memory PLC requirement 1 6 Mode Control Q data 3 19 Mounting location 2 3 Index 1 Index Index 2 p Parameters Settings 3 2 Parameters AQ 3 22 ANSI Protection 3 6 GRID1 and GRID2 3 3 Potential transformers PTs 1 3 2 10 Power requirements PSM module 1 5 PSM module overview 1 2 power requirements 1 5 PSM status flags 3 10 R Regulations Australian A 3 Canadian A 3 European A 3 US A 3 RFI standards A 3 S Scaling for PT and CT ratios 2 19 Scan time data exchange 1 6 Shock A 2 Signal input data Al 3 14 Specifications 1 5 Status flags l 3 10 Status alarm timing 3 13 Sync contacts 1 1 1 3 1 5 System operation 1 7 T Technical Support See page iii Temperature A 2 Terminal Assembly 1 3 U Units signal input data 3 14 User supplied equipment 1 4 V Vibration A 2 W Wiring notes 2 11 Wiring diagrams 2 12 120 240 single phase 2 13 delta synchro power monitor 2 18 three phase four wire with three PTs 2 14 three phase three wire delta with two PTs 2 15 wye synchro power monitor 2 17 Z Zero capture 3 24 Zero crossing 1 2 1 8 PACSystems RX3i Po
66. le shows the settings for Grid 1 The same settings apply to the Grid 2 control bits These bits must be set during the first PLC scan when the PLC transitions to run mode Q offset 2 3 4 4 and 18 19 20 set the PSM for the field voltage and power configuration Setting these values incorrectly will yield invalid readings All remaining bits may be changed during run mode to adapt to changing field conditions Q Bit Offset Function Value Comment 2 GRID 1 Voltage Selection 0 120VACrange GRID Connection mode 0 4 wire WYE power system 10 i 12 GRID 1 Waveform Capture 0 Setthis to capture a waveform 13 GRID 1 Delta Mode Delta Mode only affects Delta configurations a Reewd O Awaszrmo OOS 15 GRID 1 Energy reset 0 Set this to reset Energy value to Zero 16 Relay open 1 Clear this bit AND set bit 32 to request synchronizing the Grids 17 31 Grid 2 control bits Set for desired operation of Grid 2 32 Relay close Set this bit AND clear bit 16 to request synchronizing the Grids 3 34 PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Configuration for 120 208 3 Wire Delta system with Two PTs Two Wattmeter Method B Common The following shows a typical hardware configuration for a 3 phase 3 wire Delta power monitoring application with the B Phase used as common This example shows settings for Grid 1 all the settings can be applied to the respective Grid
67. lt 10 0 ANSI 59 Over Voltage Threshold The phase voltage above which the Over Voltage Alarm status is set after the Over Voltage Delay as a percentage of the Nominal Voltage parameter Range 101 to 250 Default 115 ANSI 59 Over Voltage Delay The amount of time a phase voltage must remain above the sec Over Voltage Threshold before the Over Voltage Alarm status is set Range 0 1 to 3276 7 Default 10 0 For all alarm conditions the clear time is the same as the set time In order for the alarm to be cleared the alarm condition must be absent continuously for the entire Delay GFK 2749 Chapter 3 Configuration and Data Transfer 3 7 Parameter Function ANSI 60 VI Imbalance Threshold The amount any one phase voltage or phase current reading must vary as a percentage of the average of all three phases within the same grid to trigger the VI Imbalance alarm after the VI Balance Delay The VI Imbalance alarm compares voltage phases to voltage phases and current phases to current phases within a grid No comparison is made between grids If any voltage varies from the average of all three voltages or if any current varies from the average of all three currents by more than the VI Imbalance Threshold for longer than the VI Imbalance Delay that grid s VI Imbalance Alarm is set Range 1 to 100 Default 10 ANSI 60 VI Imbalance Delay s The amount of time any one phase voltage or phase current sec reading can e
68. ly The number of l reference addresses used by the PSM module 80 bits Signal Input Address Starting address in Al memory for the data reported from the PSM module to the RX3i CPU For details see page 3 14 Signal Input Length Read only The number of 96Al reference addresses used by the PSM module 64 words Mode Control Address Starting address in Q memory for the configuration data that is sent every scan from the RX3i CPU to the PSM module For details see page3 19 Mode Control Length Read only The number of Q reference addresses used by the PSM module 32 bits Parameter Write Address Starting address in AQ memory for the location of a single parameter and its value which can be changed in run mode For details see page 3 22 Parameter Write Length Read only The number of 96AQ reference addresses used by the PSM module 2 words Inputs Default The state of the channel value reference addresses when the module providing those inputs is not available or the module collecting those inputs is not available Choices Force Off The affected channel values are set to zero and all alarm flags are cleared Hold Last State The affected channel values retain the state they were in before the module became unavailable I O Scan Set The scan set as defined in the CPU s Scan Sets tab to be assigned to this module The scan set determines how often the CPU polls the data 3 2 PACSystems RX3i Power Sync and Mea
69. mbly the Va COM and Vb fuses are first removed and the CTs shorted Then the connections on the Terminal Assembly can be removed safely and the module replaced The PSM module can be replaced simply by powering off the host controller and replacing the module or by hot swapping the module when the field conditions are safe to do so The IC694CBL200 cables can be disconnected from either the PSM module or the terminal assembly when the host controller is powered off This can be done without disturbing the wiring field wiring on the Terminal Assembly 1 N L2 T 1A Fuses AE Aa SS COM ied Frame Ground gt 2 la ON la 7 L Ib Os Ib CT S CT Shorting Block E Frame Load Ground GFK 2749 Chapter 2 Installation 2 13 Connection to Three Phase Four Wire WYE System with Three PTs The connections for a typical three phase four wire system are shown below The PTs are selected to take the nominal line voltage down to the nominal 120VAC or 600VAC that can be processed by the Terminal Assembly PSM system Note that the additional scaling for each CT and PT must be applied to all the results given by the PSM through the host controller The primaries and secondaries of each potential transformer should be fused for maximum protection A fuse failure is an indication of wiring problems within the system L1 L2 L3 N 1A Fuses ec 3E 7 nre 7 4 p d p VC de
70. minal Frequency Hz Module Offset Module Gain VAL Gain VA1H Gain 141 Gain VB1H Gain IB Gain VL1L Gain IC Gain INT Gain PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 ANSI Protection Tab Note that synchronization s an option in 3 phase mode so the ANSI 25 parameters can be left at their default values or changed to suit the application Since the Breaker Delay is set to the special case value of zero a static phase angle synchronization is anticipated GFK 2749 Chapter 3 Configuration and Data Transfer 0 6 1C694PS5M001 RX3i CPE305 II Settings Grid Grid2 ANS Protection Power Consumption Parameters ANSI 25 Phase Shift Threshold degrees 10 0 ANSI 25 Breaker Delay msec U ANSI 25 Delta Voltage Threshold ANSI 25 Delta Frequency Threshold Hz 4 1 ANSI 27 Under Voltage Threshold 390 ANSI 27 Under Voltage Delay sec 10 0 ANSI 32 Reverse Power Threshold 10 ANSI 32 Reverse Power Delay sec 10 0 ANSI 50 Over Current Threshold 110 ANSI 50 Over Current Delay sec 10 0 ANSI 59 Over Voltage Threshold 115 ANSI 59 Over Voltage Delay sec 10 0 ANSI BU VI Imbalance Threshold 10 ANSI 60 VI Imbalance Delay sec 10 0 ANSI 810 Under Frequency Threshold Hz 10 5 ANSI 8110 Under Frequency Delay sec 10 0 ANSI 810 Over Frequency Threshold Hz 0 5 ANSI 810 Over Frequency Delay sec 10 0 3 33 Q Configuration Values This tab
71. nction that indicates when the cables linking the PSM module and Terminal Assembly are correctly installed Can be easily calibrated using the Proficy Machine Edition PME software to enter calibration constants for the PSM module and Terminal Assembly The PSMOO1 module supports hot swap removal and replacement in an RX3i rack that is under power GFK 2749 1 1 PSM Module In addition to configuring the PSM module upon project download from PME the RX3i CPU can control the PSM module UO RO ELT by updating configuration data from the RX3i in the form of AQ v data words and Q mode control bits during each sweep c ERORO HE The PSM module provides calculated data to the CPU in the form of AI data words and l status bits each sweep The information sent by the PSM module includes power system measurements and discrete fault status PSM001 Connectors The PSM module provides two Mini D 20 pin connectors that accept the GRID 1 and GRID 2 voltage and current signals from the Terminal Assembly 2 4000H Indicators Four LEDs provide status indications for the PSM system Green The module is operating correctly and communicating with the RX3i The module is operating without backplane communication Of The module is not operating bli id 1 p os Tq OO FN gt gt TO UD O O zz C gt r f Green During the period when GREEN is ON linking Grid 2 can be connected to Grid 1 Green Grid 1 and Grid
72. nged during run mode to adapt to changing field conditions Turning off the Phase C measurements sets the PSM to reconstruct the Vca phase voltage and the IC current values Q Bit gt GRID 1 Operation Enable grid 1 Embegidi IAT measurement is on GRID 1 PTB measurement Vb1 measurement is on GRID 1 CTB measurement 17 31 Grid 2 control bits Relay close Clear this bit AND set bit 32 to request synchronizing the Grids Set for desired operation of Grid 2 Set this bit AND clear bit 16 to request synchronizing the Grids CO GRID 1 CTC measurement 0 C Phaseiscommon IN I Bel NEN aa 3 40 PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Configuration for 120 208 4 Wire WYE Synchro Power Control Connection The following shows a typical hardware configuration for a 3 phase 4 wire WYE power paralleling synchronizing application Note that the offset and gain values were found on the ICG694PSMOO1 module faceplate label and on the IC694ACC200 terminal assembly label The Voltage Selection is set to 120 since the PSM can measure up to 150VAC in this range The Nominal Voltage is the anticipated Phase to Neutral voltage in the WYE configuration Grid 1 Tab 0 6 IC694PSM001 RX31_CPE305_11 Settings and Grid ANSI Protection Power Consumption ew Sete Nominal voltage Volts Nominal Current Amps Nominal Frequency Hz Module Offset Module Gain VAL
73. nnonnnnnnnnnannnnnnnns 2 4 Overview of PSM System Connection to Public Grid and Generator 2 5 Power Systemi TT eee usua is obli aN 2 6 Relay Connector for Sync ContactS cccoooccccccocnococoononccnncnnnnnannncononnnnnnnnnnnnnnannnnnnannnnnnnos 2 9 VID A A REE 2 10 General Wining Notes ui a 2 11 Terminal Assembly Frame Ground Connection esse ee ee ee eee ee ee eee ee 2 11 Wining DiagraMs ali ts a i n 2 12 Scaling Tor P Trand Sap i magia aaa S o ioc rd 2 19 Configuration and Data Transfer 1 1leeee ee Leeee eee eeeeee nennen nennen nnn annt 3 1 Configuration Parameters caes ctun t amena acc M mesas ctasc A sa 3 2 PSMO001 Settings Parameters see ee eee eee ee ee 3 2 Grid and Grid2 Parameters cisi ari aa n aian e ase a aaa E aa aE taaa 3 3 AINSI Protection Parametros elias dio dl is 3 6 AA A A EpL E S CELLS Le cEU KR 3 9 152 sle EE 3 9 Data Transfo ener EST E ey ee ey ee ey ee eee re 3 10 POW Stats e id 3 10 POM sana NOUR Dalda orion 3 14 Data Sent from the Host Controller to the PSM Module sss sees 3 19 GFK 2749 V Contents Mode Control Bits Sent to PSM module sse eee 3 19 Parameters sent to PSM Module sees 3 22 Example CS OMMG UN ALO MS Sef tons stsieat tush tel i sattovesustaliso racc dva ina tunes aa udis Erie 3 25 Configuration for 120 240 VAC Single Phase System eee eee eee 3 26 Configuration for GO0VAC Single Phase System esse eee eee 3 29 Conf
74. nt inputs before installing or servicing the connections to the Terminal Assembly Never disconnect the GRID 1 or GRID 2 field wiring while power is present Personal injury or equipment damage may result Finger guards must be installed on the Terminal Assembly before energizing the field wiring This equipment is suitable for use in Class I Division 2 Groups A B C and D Zone 2 OR non hazardous locations only WARNING EXPLOSION HAZARD Do not disconnect equipment unless power has been removed or the area is known to be non hazardous WARNING EXPLOSION HAZARD Substitution of components may impair suitability for Class I Division 2 or Zone 2 Areas PACSystems RX3i Power System Measurement Module February 2013 GFK 2749 Enclosures The Terminal Assembly and PSM module are considered open equipment having live electrical parts that may be accessible to users and must be installed in a protective enclosure or incorporated into other assemblies manufactured to provide safety As a minimum the enclosure or assemblies shall provide a degree of protection against solid objects up to 12mm e g fingers This equates to a NEMA UL Type 1 enclosure or an IP20 rating providing at least a pollution degree 2 environment When this system is installed into an area designated as Class 1 Zone 2 in Europe compliance with the ATEX Directive requires an enclosure with a minimum rating of IP54 The enclosure must be able to adequately
75. odule will try to reconstruct the missing samples from the other measured variables The following table explains which variable in which measured system configuration can be reconstructed Dependence of reconstructed variable on measured variables GRIDx In Missing Neutral in a 3 phase WYE connection if all phase currents are measured GRID In Missing Neutral in a 3 WIRE single phase system GRIDx Vac Vab Missing common phase voltage in a 3 phase DELTA system default is Vac GRIDx Ib Ic Missing common phase current in a 3 phase DELTA system default is Ib In the three phase Delta mode when only two voltages currents are required to be measured non measured variable can be reconstructed the two available channels can be used for an independent single voltage and or current measurement Note Ifthe PSM system will be used for generator synchronization with a Delta system it is required that in both grids the channels of non measured voltage and current are left unused so that these variables can be reconstructed Relay Open Relay Close Operation The Relay Open Relay Close bits Q16 Q32 control the PSM s Sync controller function The PSM can close the Sync contacts only if no ANSI alarm has been detected The PSM opens the Sync contacts immediately i e without waiting for the PLC to issue the 1 0 bit combination if any of the ANSI alarms has been detected It is recommended that after a successful Sync relay connection t
76. onnection mode 3 wire single phase using PTA and PTB GRIDTPTA CA measurement 1 VAT measurementison 6 GRIDI CTA measurement 1 WA measurements on 7 GRID 1 PTB measurement 1 VBT measurementis on 8 GRID 1 CTB measurement 1 187 measurements on 9 GRID PTC measurement 0 VOT measurements off 10 GRID 1 CTC measurement 0 101 measurementis of 11 GRID 1 CTN measurement 0 INT measurementis off 12 GRID 1 Waveform Capture 0 Setthis to capture a waveform 18 GRIDiDetaMode 0 Delta Mode istor phase 4 Reserved Raas OO 15 GRiDiEnegyrest 0 Set tnis to reset Energy value to Zero 32 Relay lose 0 AwaysOfesgnaphae GFK 2749 Chapter 3 Configuration and Data Transfer 3 31 3 32 Configuration for 120 208 WYE Three Phase Four Wire System The following shows a typical hardware configuration for a 3 phase 4 wire WYE power monitoring application This example shows settings for Grid 1 all the settings can be applied to the respective Grid 2 parameters Note that the offset and gain values were found on the IC694PSM001 module faceplate label and on the IC694ACC200 terminal assembly label The Nominal Voltage is the anticipated Phase to Neutral voltage in the WYE configuration Grid 1 or Grid 2 Tab 0 6 IC694PSM001 RX31_CPE305_11 Settings Gnd Grid ANSI Protection Power Consumption E Seta Nominal voltage Volts Nominal Current Amps No
77. or Grid 2 Tab 0 6 IC694PSM001 RX31_CPE305_11 Settings Gnd Grid ANSI Protection Power Consumption ew Sete Nominal Woltage Volts Nominal Current Amps Nominal Frequency Hz Module Offset Module Gain VAL Gain VA81H Gain 141 Gain VB1H Gain IB Gain VEIL Gain IC Gain INT Gain PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 ANSI Protection Tab Note that synchronization is not an option in single phase mode so the ANSI 25 parameters have no effect and can be left at their default values GFK 2749 Chapter 3 Configuration and Data Transfer 0 6 IC694PSM001 RX3i CPE305 II Settings Grid rdg ANS Protection Power Consumption Parameters ANSI 25 Phase Shift Threshold degrees 10 0 ANSI 25 Breaker Delay msec U ANSI 25 Delta Valtage Threshold x 10 ANSI 25 Delta Frequency Threshold Hz 0 1 ANSI 27 Under Voltage Threshold 2 90 ANSI 27 Under Voltage Delay sec 10 0 ANSI 32 Reverse Power Threshold 10 ANSI 32 Reverse Power Delay sec 10 0 ANSI 50 Over Current Threshold 110 ANSI 50 Over Current Delay sec 10 0 ANSI 59 Over Voltage Threshold 5 115 ANSI 59 Over Voltage Delay sec 10 0 ANSI 60 Imbalance Threshold 5 10 ANSI 60 VI Imbalance Delay sec 10 0 ANSI 811 Under Frequency Threshold Hz 10 5 ANSI 811 Under Frequency Delay sec 10 0 ANSI 510 Over Frequency Threshold Hz 0 5 ANSI 810 Over Frequency Del
78. pture a waveform 29 GRID 2 Delta Mode Delta Mode only affects Delta configurations 30 Reserved o mms 31 GRID 2 Energy reset E38 3 Set this to reset Energy value to Zero 32 Relay close Set this bit AND clear bit 16 to request synchronizing the Grids GFK 2749 Chapter 3 Configuration and Data Transfer 3 43 Configuration for 480V 4 Wire WYE Synchro Power Control Connection 3 44 Grid 1 Tab Grid 2 Tab The following shows a typical hardware configuration for a 3 phase 4 wire WYE power paralleling synchronizing application The offset and gain values are shown at their default values For maximum accuracy the offset and gain values must be set based on the IC694PSMOO1 module faceplate label and on the IC694ACC200 terminal assembly label calibration constants Choose the 600V range and enter 480 0V as the nominal voltage The Nominal Voltage is the anticipated Phase to Neutral voltage in the WYE configuration 0 6 1C694PSM001 RX3i CPE305 II Settings Gridi Grid ANSI Protection Fower Consumption bae GANAN Nominal Voltage volks Nominal Current Amps Nominal Frequency Hz Module Offset Module Gain VAIL Gain VATH Gain Al Gain VBTL Gain VB1H Gain B1 Gain VCT1L Gain VCH Gain IC Gain INT Gain 0 6 IC694PSM001 RX31_CPE305_11 bae Sei Nominal voltage Wolt Nominal Current Amps Nominal Frequency Hz Module Offset Module Gain VAL Gain 42H Gain VB2L Gain V
79. relays in series increasing reliability of breaking the connection when synchronization is no longer desired If reliable power is the primary concern for a given installation connect the relays in parallel increasing the reliability of making the connection when synchronization is desired PinNo Signal Relay contact 1A S Relay contact 1B E m Relay contact 2A Relay contact 2B 2A l ea i SECT GFK 2749 Chapter 2 Installation 2 9 Wiring HIGH VOLTAGE HIGH CURRENT DO NOT TOUCH the connectors or wiring after powering up the PSM system Hazardous voltages exist and death or injury may result The Terminal Assembly frame ground connection must always be installed and must be installed before any other wiring is attached Fuses on the voltage inputs are mandatory Potential transformers are mandatory Fuses on input and output leads for the PTs are mandatory The COM1 and COM terminals must be connected to frame ground to maintain a common reference COM1 and COM2 terminals shall not be used for neutral or protective earth connections Certain fault conditions can cause the neutral line to be pulled to the full phase to neutral voltage posing a danger to personnel and potentially damaging the Terminal Assembly Current Transformer CT shorting bars are mandatory One leg of each CT secondary should be solidly connected to frame ground to ensure that the current inputs remain at a safe potential
80. reshold the yellow region indefinitely as the PSM waits for the physical contacts to synchronize the grids GFK 2749 Chapter 1 PSM Module Description and Specifications 1 15 Example Angle Delay gt Phase_Shift_Thr 2 2 Phase Shift Thr 10 Breaker Delay 800ms Grid 1 Frequency 60 00Hz Grid 2 Frequency 60 09Hz AF slip frequency 0 09Hz Angle Delay 360 x 0 09Hz x 0 800sec 25 9 PhaseShiftOK On 9 25 9 Angle Delay PhaseShiftOK Off 15 9 Angle Delay Phase Shift Thr If Sync is requested while PhaseShiftOK On then CloseRelayOK will be set to On for the Angle Delay 24 cycles At AF 0 09Hz and 60Hz the PhaseShiftOK window is 800ms 25 9 400ms 1 2 seconds Static Phase Angle Synchronization In static phase angle synchronization the PSM will set PhaseShiftOK bit between rPhase Shift Thr regardless of the Delta Frequency Slip Frequency This mode is selected by setting the Breaker Delay hardware configuration parameter to zero Phase Shift Thr 0 Phase Shift Thr SYNCHROSCOPE With no breaker delay information the PSM reverts to classic synchronization Either the control system holds the phase angle within the Phase Shift Thr before requesting Synchronization or the rate of change of the phase angle and the breaker delay are known and the control system holds the Delta Frequency Slip Frequency at a value calculated to bring the contacts to closure at or near 0 phase angle
81. ring The cables are for interconnection within the same enclosure only If hot swapping the IC694PSM001 module becomes necessary the IC694CBL200 cables should be disconnected from the IC694ACC200 terminal assembly end first to remove any potential from the cables Note whether the cables were plugged into the 120V or 600V connectors on the terminal assembly so they can be returned to the proper connector Note The following information is supplied only for diagnostics making continuity checks of the cable These cables have straight through connections pin 1 connects to pin 1 pin 2 connects to pin 2 etc The cables are twisted pair type connected to minimize noise and crosstalk between signals GFK 2749 Chapter 2 Installation 2 7 Voltage Range Selection The voltage range of each grid can be selected independently Note that the PSM ConnectionOK status bit is only meaningful when both grids are used with the same voltage range If different voltage ranges are chosen the status bit must be ignored and extra attention must be given to correct connections The voltage range selected by the cable connections must match the voltage range configured with the Q Mode Control bits shown in Chapter 3 For Grid 1 connecting the cable to the 120VAC range correlates to a Q bit offset 2 being cleared to zero Similarly connecting the cable to the GOOVAC range correlates to a Q bit offset 2 being set to 1 Likewise for Grid 2 the range
82. ructed Variables p 3 21 25 GRID 2 PTC measurement 0 not measured 1 measured Refer to Reconstructed Variables p 3 21 26 GRID 2 CTC measurement 0 not measured 1 measured Refer to Reconstructed Variables p 3 21 27 GRID 2 CTN measurement O not measured 1 measured Refer to Reconstructed Variables p 3 21 GRID 2 1 Waveform Capture changing from 0 to 1 When the PSM detects a change of this bit from a zero to one it captures all 128 samples of all seven variables belonging to the grid GRID 2 Delta Mode O B phase is common 1 C phase common This bit must be set to 0 if the phase B is used as the common connection for the other two voltages North American standard If the phase C is used as the common phase in a Delta connection this bit must be set to 1 0 GRID 2 Energy reset When set the accumulated energy for Grid 2 is reset and held C2 at 0 Wh or 0 VARh When cleared the Grid 2 energy value represents the accumulated energy since power up or the last reset 32 Relay close Works with bit 16 to control the Sync Relay operation For more information see Relay Open Relay Close Operation on page 3 21 3 20 PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Reconstructed Variables If a PTn CTn control bit is set the corresponding voltage current is measured and the PSM system can use it If cleared the variable is not measured and the PSM m
83. s RX3iPower Sync and Measurement System January 2013 GFK 2749 GFK 2749 A Accuracy measurement 1 5 Agency approvals A 1 Alarm thresholds 3 6 ANSI functions 1 9 Grid 1 1 9 Grid 2 1 11 ATEX Directive 1 6 2 3 Autonomous operation 1 7 B Backplane isolation 1 5 C Calibration 1 1 constants 3 3 Catalog numbers PSM products 1 4 Configuration examples 120 208 3 wire Delta system with two PTs two wattmeter method B common 3 35 120 208 3 wire Delta system with two PTs two wattmeter method C common 3 38 120 208 4 wire WYE synchro power control connection 3 41 120 208 WYE 3 phase four wire system 3 32 120 240 VAC single phase system 3 26 480V 4 wire WYE synchro power control connection 3 44 600VAC Single Phase System 3 29 Configurations power measurement list 1 6 Connectors PSM module 1 2 Terminal Assembly 1 3 Current transformers CTs 1 3 2 10 D Data transfer 3 10 Declaration of Conformities A 1 Diagnostics fault and no fault contacts 4 3 LEDs 4 1 point faults 4 2 PSM status bits 4 1 zero capture 3 24 Diagrams wiring 2 12 Index E Enclosure requirements 2 3 Environment operating 1 6 Environmental Specifications A 2 Examples configuration 3 25 See Configuration examples imbalance threshold 3 8 scaling for PT and CT ratios 2 19 F FCC notice A 3 Frequency measurement 1 8 G Grounding Terminal Assembly 2 11 H Hot swap 2 3 Humid
84. s must both be multiplied by 80 4 x 20 GFK 2749 Chapter 2 Installation 2 19 Chapter GFK 2749 5 Configuration and Data Transfer The PSM module is configured using the GE Intelligent Platforms programming software Configuration parameters are used to set nominal values for Grid1 and Grid2 voltage current and frequency and to calibrate the PSM system for specific Potential Transformer and Current Transformer gains increasing the accuracy of the measured values Configuration parameters are also used to set ANSI device threshold and delay values A Mode Control register consisting of 32 bits in Q memory selects operational and measurement modes The application must apply initial values to these bits and can change them while the PSM is running The application can change a single configuration parameter in run mode by modifying the two word Parameter Write register in AQ memory Contiguration Parametros a ak in 2 I3ata ce aly T Esos E E M I E EE ee 10 Example TRIST e aioe o ida 25 3 1 Configuration Parameters To configure the PSM module in Proficy Machine Edition under Hardware Configuration right click and select Add a Module then select IC694PSMOO1 from the Specialty Modules tab PSMO001 Settings Parameters Parameter Function Status Input Address Starting address in l memory for the array of status flags sent from the PSM module to the RX3i CPU For details see page 3 10 Status Input Length Read on
85. safety features detailed in the drawings are included in your installation Failure to do so could result in personal injury or death and equipment damage GFK 2749 Chapter 2 Installation 2 11 Wiring Diagrams Be sure you read and understand all safety related information in this manual before attempting to wire or use the PSM Connections for 120 240 VAC system with CTS occccccnccccccnnccccncconcnoconononononos 2 13 Connection to Three Phase Four Wire WYE System with Three PTs 2 14 Configuration for Three Wire Delta system with Two PTs Two Wattmeter Method for Load MonNitOriNQ ccooocccccconccnconoccnnononcnnnonanononnnnonnnnnncnnononcnnnonas 2 15 WYE Synchro Power Control Connection esse eee eee ee eee 2 17 Delta Synchro Power Monitor Connection Two Wattmeter Method 2 18 PACSystems RX3i Power System Measurement Module February 2013 GFK 2749 Connections for 120 240 VAC system with CTs The connections shown below detail the installation for a typical North American 120 240 volt AC three wire single phase connection The neutral is connected to a ground point usually at the main power distribution panel Mandatory equipment includes CT shorting blocks and protection fuses for the voltages These will allow replacement of the PSM Terminal Assembly with the system still energized The following procedure should be performed only by qualified field personnel To replace the Terminal Asse
86. sembly e ACT shorting block for each current transformer CT connection used on the Terminal Assembly when used with external CTs PSM Part Numbers IC694PSK001 PSM System Includes a PSM module a Terminal Assembly and two interface cables IC694PSMO001 Replacement PSM module IC694ACC200 Replacement Terminal Assembly IC694CBL200 One replacement 2m 6 56 ft interface cable IC694ACC201 PSM replacement parts two finger guards four thumb screws one relay connector two grounding lug nuts 1 4 PACSystems RX3i Power Sync and Measurement System February 2013 GFK 2749 Specifications GFK 2749 PSM Module Power Requirements Backplane Power Consumption 400 mA max at 5 VDC Total Power Dissipation 2 0 W max Isolation from Backplane 1500 VDC Host Controller Compatibility RX3i CPUs For specific versions supported refer to Functional Compatibility in the Important Product Information document GFK 2748 Maximum number of PSM modules per No restrictions as long as the power supply has RX3i system sufficient capacity Sync Relay contacts er Two isolated relay outputs General purpose 125 VAC 125 VDC maximum at 1 amp Lamp duty 125 VAC 125 VDC maximum at 1 amp Pilot duty 125 VAC 125 VDC maximum at 0 35 amp Switching speeds Turn on time Turn off time 5ms Measurement Specifications Three voltage inputs per grid All voltage data is scaled in 0 1 VAC units Range Low range 45 150 VAC RMS
87. ssing detection can make the phase angle difference from one power line cycle to the next appear to change direction For this reason 2 of hysteresis is added to the trailing edge of the PhaseShiftOK window PhaseShiftOK On Angle Delay PhaseShiftOK Off Angle Delay 22 Phase_Shift_Thr SYNCHROSCOPE Slow Rotation Angle Delay lt Phase Shift Thr 29172 If the request to sync is on or received by the PSM module at any time in the green region while PhaseShiftOK on the CloseRelayOK status bit will be set and the IC694ACC200 output contacts will close Once CloseRelayOK is on and the IC694ACC200 output contacts are closed they remain on and closed regardless of grid alarms until after the breaker delay plus 24 power line cycles pass to allow the newly synchronized grids to settle After the settling time all ANSI protections are reinstated and the PSM monitors the Delta Frequency Delta Voltage and Phase Shift status bits again In the absence of other alarms the phase shift is allowed to drift within the phase shift threshold the yellow region indefinitely as the PSM waits for the physical contacts to synchronize the grids GFK 2749 Chapter 1 PSM Module Description and Specifications 1 13 Example Angle Delay S Phase Shift Thr 2 2 Phase Shift Thr 10 Breaker Delay 200ms Grid 1 Frequency 60 00Hz Grid 2 Frequency 60 01Hz AF slip frequency 0 01Hz Angle Delay 360 x 0 01Hz x 0 200sec
88. surement System February 2013 GFK 2749 Grid1 and Grid2 Parameters The Grid1 tab is used to set the parameters for GRID 1 Public Grid Load 1 The Grid 2 tab is used to set the parameters for GRID 2 Generator Grid load 2 These parameters include the gain and offset calibration constants required for the module and the gain calibration constant of each of the input channels These calibration constants are on the side label of the PSM module and on the front plate of the Terminal Assembly There are two sets of the voltage channel VA VB and VC gain constants because there are two voltage ranges available for the user The other parameters select the nominal values of the voltages currents and frequencies that will be used by the ANSI functions to monitor voltage current power and frequency deviations to set and clear alarms Parameter Function Voltage Selection Select 120 for input voltages in the 45 150 VAC range Select 600 for voltages in the 120 to 690 VAC range The Voltage Selection must match both the physical cable connection to the IC694ACC200 terminal assembly and the Q offset 2 Grid 1 and Q offset 18 Grid 2 configuration bits Refer to chapter 2 for proper wiring and configuration information Nominal Voltage Volts Enter the actual voltage expected on the grid This value is used by the ANSI calculations to determine under over voltage VI imbalance and in setting the fault status bits Range and Default D
89. th the DSP processing the data in less than two thirds of a power line cycle The PSM module can be used with wye or delta type three phase power systems or with single phase power systems The PSM system can be used for applications such as Electrical power consumption monitoring and reporting Fault monitoring Generator control features for generator to power grid synchronization Demand penalty cost reduction load shedding The PSM system consists of PSM module A standard IC694 module that mounts in an RX3i main rack The PSM module provides the DSP capability Terminal Assembly A panel mounted unit that provides the interface between the PSM module and the input transformers Interface cables Provide the GRID 1 and GRID 2 connections between the PSM module and the Terminal Assembly PSM System Features Uses standard user supplied current transformers CTs and potential transformers PTs as its input devices Accurately measures RMS voltage and current power power factor frequency energy and total three phase 15 minute power demand Provides two isolated relays that close when the voltage phase relationships between the two monitored grids are within the specified ANSI 25 limits provided by the RX3i host controller These contacts can be used for general purpose lamp duty or pilot duty loads Voltage and current ratings for these load types are provided on page 1 5 Provides a cable monitoring fu
90. uired Bytes PACSystems RX3i Power Transducer Module User s Manual February 2013 GFK 2749 Fault and No Fault Contacts Fault and No Fault contacts are set to the first l bit reference address of the module to be monitored If the Fault bit is set and the No Fault bit is cleared the CPU s not communicating with the module If the Fault bit is cleared and the No Fault bit is set the CPU s communicating with the module FI HT H GFK 2749 Chapter 4 Diagnostics 4 3 Appendix Product Certifications and Installation Guidelines A for Conformance This appendix describes the compliance markings that appear on the PSM module and or Terminal Assembly and the corresponding standards to which they have been certified This appendix also provides installation requirements for conformance to standards and additional safety guidelines for installing in the European Union Agency Approvals Description N A Safety for Generator Control Equipment N A Safety for Process Control Equipment N A Safety for Hazardous Areas Class I Div 2 Groups A B C D Low Voltage Directive European Safety for Industrial Control Equipment Electromagnetic Compatibility Directive European EMC for Industrial Control Equipment Explosive Atmospheres Directive European Safety for Hazardous Areas Equipment Group II Category 3 Gas Groups A B C GFK 2749 Agency Standard or Marking US LISTED US LISTED E e
91. urn on time plus the published closing delay or measured closing delay from energizing the breaker until the contacts are closed Note When the ANSI 25 Breaker Delay parameter is set to a non zero value the phase angle difference at which RelayCloseOK is set and the IC694ACC200 relay outputs close varies in direct proportion to the rate of change of the phase angle of Grid 2 relative to Grid 1 Higher rates of phase angle change and larger breaker delays require that the PSM assert RelayCloseOK earlier to ensure that the breaker contacts close within the safe region set by the ANSI 25 Phase Shift Threshold parameter Range 0 to 1000 Default O implies static phase angle synchronization The maximum difference between the Grid 2 RMS voltage and the Grid 1 RMS voltage as a percentage of Grid 1 where the grids may be connected Grid 1 is assumed to be a Stable utility grid Grid 2 is assumed to be a variable generator grid This value is a tolerance around the Grid 1 voltage Range 1 to 100 Default 10 The maximum difference between the Grid 2 frequency and the Grid 1 frequency in Hz where the grids may be connected Grid 1 is assumed to be a stable utility grid Grid 2 is assumed to be a variable generator grid This value is a tolerance around the Grid 1 frequency Range 0 01 to 5 00 Default 0 1 The voltage below which the Under Voltage Alarm status is set after the Under Voltage Delay as a percentage of the Nomin
92. wer Sync and Measurement System February 2013 GFK 2749
93. xceed the VI Balance Threshold before the VI Balance Alarm status is set Range 0 1 to 3276 7 Default 10 0 ANSI 81U Under Frequency The frequency difference from the Nominal Frequency Threshold below which the Under Frequency Alarm status is set after Hz the Under Frequency Delay ORange 0 01 to 10 0 Default 0 5 ANSI 81U Under Frequency The amount of time a grid s frequency must remain below Delay sec the Under Frequency Threshold before the Under Frequency Alarm status is set Range 0 1 to 3276 7 Default 10 ANSI 810 Over Frequency The frequency difference from the Nominal Frequency Threshold above which the Over Frequency Alarm status is set after Hz the Over Frequency Delay Range 0 01 to 10 0 Default 0 5 ANSI 810 Over Frequency The amount of time a grid s frequency must remain Above Delay sec the Over Frequency Threshold before the Over Frequency Alarm status is set Range 0 1 to 3276 7 Default 10 Imbalance Threshold Examples 3 8 Example 1 VI Imbalance is set to 20 VA1 126V VB1 90V VC1 124V The difference between VB1 and the average of the three voltages is greater than 20 so the VI Imbalance alarm will be set Example 2 VI Imbalance is set to 25 IA2 4 2A IB2 3 6A IC2 5 5A The difference between IC2 and the average of the three currents is less than 25 so the VI Imbalance alarm will not be set For all alarm conditions the clear time is the same as the
94. z 0 OK 1 some inputs have signal clamped 0 OK 1 At least one phase PT CT has wrong polarity 52 GRID 1 VoltPhSegAlarm 0 OK 1 ANSI 47 Alarm 53 GRID 1 UnderVoltAlarm 0 OK 1 ANSI 27 Alarm GFK 2749 Chapter 3 Configuration and Data Transfer 3 11 3 12 l Bit Offset RID 1 VilmbalanceAlarm 0 OK 1 ANSI 60 Alarm GRID 1 UnderFregAlarm GRID 1 OverFregAlarm Status Alarm Timing A B AB See Status Alarm Timing on page 3 13 Alarm Availability 0 2 OK 1 ANSI 32 Alarm 0 2 OK 1 ANSI 50 Alarm 0 2 OK 1 ANSI 59 Alarm 0 OK 1 ANSI 81U Alarm 0 OK 1 ANSI 810 Alarm GRID 2 ClampedFreq GRID 2 ClampedInput GRID 2 MixedPolarity GRID 2 VoltPhSegAlarm 1 ANSI 60 Alarm GRID 2 UnderFregAlarm 5 7 0 1 2 3 4 5 GRID 2 OverFregAlarm GRID 2 UnderVoltAlarm PACSystems RX3i Power Sync and Measurement System February 2013 U lt OK 1 Line Frequency outside the range 30 70 Hz 0 lt OK A VA 1 some inputs have signal clamped 0 OK 1 At least one phase PT CT has TZAN Ap NS MA A 1 ANSI 32 Alarm 1 ANSI 50 Alarm M LT LA 1 ANSI 59 Alarm E 0 OK 1 ANSI 81U Alarm 0 OK 1 ANSI 810 Alarm 1 ANSI 47 Alarm 0 OK v 1 ANSI 27 Alarm ug GFK 2749 Status Alarm Timing Timing A The PSM buffers an entire power line cycle and takes 11ms to perform calculations on the waveforms The new status bits are available to th

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