INSTRUCTION MANUAL - ElectricalManuals.net
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1. 5 6 7 8 91 2 4 5 6 7 8910 20 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 T 10 E 9 D 2 8 C 7 Z 6 D L 2 3 2 99 2 80 60 50 1 40 9 E 30 6 20 4 3 10 07 2 05 05 02 4 01 09 08 07 00 06 05 04 03 02 01 5 6 7 8291 2 3 4 5678910 20 MULTIPLES OF PICK UP SETTING Figure A 9 Timing Type E4 BS 132 Inverse Switch Position 9 A 10 BE1 67N Characteristic Curves 9190700990 Rev F PEA HEH LA gt UrInzx TIME IN SECONDS Zt D0334 04 08 19 05 5 6 7 8 91 2 5 4 5 6 78910 20 MULTIPLES OF PICK UP SETTING Figure A 10 Timing Type E5 BS 142 Inverse Switch Position A 9190700990 Rev F BE1 67N Characteristic Curves A 11 TIME IN SECONDS D0334 03 08 19 05 2 3 4 5678910 20 MULTIPLES OF PICK UP SETTING Figure A 11 Timing Type E6 BS 142 Very Inverse Switch Position B r omza zad4 A 12 BE1 67N Characteristic Curves 9190700990 Rev F2. 01520 11 Optional 11 21 94 Auxiliary Output 18 2 5 T 17 EL 2 X EN Directional Switch T Selectable Element lt e p Min Tap Top Time Timing Directional Inhibit Micro A D Converter amp gt H e ES 0 60 Level Detector Processor m zT Target 5 Inst i Curve Optional 11 Phase Ady X Select Directional 1 amp 34 Inhibit Instantaneous 6 Shift Overcurrent 9 Level e Q Detector 1 2 EH op 3 7 Target Le C Inst 4 Adj Optional f p vp Level Instantaneous Overcurrent lt 9 Control Power gt Detector Power Internal Circuitry Push to Energize Relay Fail 4 Supply Logic FAS rj Target Relay Fail Output lt K Figure 3 1 Function Block Diagram CURRENT SENSING Internal current sensing transformers receive inputs from the 5 Aac sensing input range 1 or 2 or 1 Aac sensing input range 3 or 4 nominal secondary of standard transformers Input transformers for the sensed measured current l are tapped so that the relay range is determined by its external connections External connections are lis
3. 5 6 Timing Gurve Verification evil eA yay a a teen o 5 8 Figures Figure 5 1 Typical Test 5 1 Figure 5 2 Trip Zone Using Vo as Polarizing Source Char Angle 0 5 3 Figure 5 3 Trip Zone Using Vo as Polarizing Source Char Angle 609 5 4 Figure 5 4 Trip Zone Using IO as Polarizing Source Char Angle 0 5 5 Tables Table 5 1 Pickup Values for Tap Selector Positions Input Ranges 1 and 2 5 2 Table 5 2 Expected Timing at Five Times enne nennen nnns 5 5 Table 5 3 Pickup Values for Tap Selector Positions Input Ranges and 4 5 7 9190700990 Rev F BE1 67N Testing i This page intentionally left blank BE1 67N Testing 9190700990 Rev F SECTION 5 TESTING INTRODUCTION This section provides procedures for testing the operation of BE1 67N relays Separate test procedures are provided for relays with sensing input ranges 1 and 2 and sensing input ranges 3 and 4 Use the procedures that correspond to the sensing input range of your relay TEST PROCEDURES FOR SENSING INPUT RANGES 1 AND 2 The following paragraphs contain procedures for verifying the operation and timing c
4. 2 2 Table 2 2 Analog and Digital Circuit Board 8 2 3 Table 2 3 Auxiliary Relay Select Switch Selections sse 2 4 9190700990 Rev F BE1 67N Controls and Indicators i This page intentionally left blank BE1 67N Controls and Indicators 9190700990 Rev F SECTION 2 CONTROLS AND INDICATORS INTRODUCTION BE1 67N controls and indicators are located on the front panel and Analog Digital and Mother circuit board assemblies FRONT PANEL CONTROLS AND INDICATORS Front panel HMI components are illustrated in Figure 2 1 and described in Table 2 1 The locators and descriptions of Table 2 1 correspond to the locators shown in Figure 2 1 gt RANGE 9 D G DIR DIR 60 H TIMING INST 018 NON DIR e CAL ir INST INST D B INHIBIT INHIBIT CHAR A J ANGLE TAP TIME DIAL 77 POWER A C E F G H vj 0 300 0 900 1 67 GROUND DIRECTIONAL OVERCURRENT Style No XXX XXX XXXXX Serial No XXXXXXXXXXXX PUSH TO INST INST ENERGIZE on Q L L J INST P0031 16 Figure 2 1 Front Panel Controls and Indicators 9190700990 Rev F BE1 67N Controls and Indicators
5. 1 2 1 2 Relay Status AE 1 2 TRIPPING E 1 2 Dura m 1 3 PUSEETO ENERGIZE OUTPUTS ii asda ag eine 1 3 1 3 POWER SUPPLY OPTIONS e inet ser Hte eee 1 3 POWER UP DELAY tete tet ta tete tu ie co Meet Feu 1 3 MODEL ANDS TYLE NUMBER tee ee stab tete ie then 1 3 Style Number Examiple tdt bte eet 1 3 SPEGIFIGATIONS o ti ete ret betae ette re ced eie ded e Te 1 4 Current Sensing ce e tette d e ab e edere abere 1 4 inum 1 4 Polarizinj Gutrent ree e e doe teet 1 5 Polarizing Voltage etie te t eti beate t ate tete Deere tr eee 1 5 Directional ciere cette te oe 1 5 Time OVercUtfent i por itu er RE 1 5 Instantaneous 1 6 Power Supply 4 E 1 6 OUTPUT Contacts io ed
6. INST O E AN AN 10 LE 2 Vo lo 0 Figure 4 7 Typical Internal Connections 9190700990 Rev F BE1 67N Installation 6 4 9 PROTECTED LINE TRIPPING DIRECTION VOLTAGE TRANSFORMERS SN AN 5 5 POWER TRANSFORMER Figure 4 8 Typical Sensing Input Connections Two Winding Transformer PROTECTED LINE B 4 PHASE RELAYS 01146 07 5 2 5 11 92 BUS C 67N 67N 729 DT ALTERNATE CONNECTIONS PE POLARIZING x CURRENT 67N 67N 67N TRIPPING DIRECTION VOLTAGE TRANSFORMERS VPOL POWER TRANSFORMER Figure 4 9 Typical Sensing Input Connections Three Winding Transformer 4 10 BE1 67N Installation 9190700990 Rev F CONTROL BUS 9 67N 67N 67N 14 3 C L 67 67N 67N 67N INST T DIRINST 67N 67N 67N 15 12 13 52 TC 67N 4 52 9 1148 14 5 13 92 e CONTROL BUS 67N 19 L RELAY 7 FAL 67N 20 LEGEND 67N 52 52a DIR TOC INST A Figure 4 10 Typical Output Connections 67N 67N kd Chas 67N AUX SV AE GROUND DIRECTION
7. 4 11 Figures Figure 4 1 Panel Cutting and Drilling Diagram Semi Flush 4 2 Figure 4 2 Panel Drilling Diagram Projection 4 3 Figure 4 3 Cover Dimensions Front View rennes 4 4 Figure 4 4 Case Dimensions Rear 4 5 Figure 4 5 Case and Cover Dimensions Semi Flush Mounting Side 4 6 Figure 4 6 Case and Cover Dimensions Projection Mounting Side 4 7 Figure 4 7 Typical Internal 4 9 Figure 4 8 Typical Sensing Input Connections Two Winding 4 10 Figure 4 9 Typical Sensing Input Connections Three Winding 4 10 Figure 4 10 Typical Output 4 11 9190700990 Rev F BE1 67N Installation i This page intentionally left blank BE1 67N Installation 9190700990 Rev F SECTION 4 INSTALLATION INTRODUCTION BE1 67N relays are shipped in sturdy cartons to prevent damage during transit Upon receipt of a relay check the model and style number against the requisition and packing list
8. 619 63 10 32 SCREWS 31 7 9 5 5 16 18 STUDS M 4 PLACES 1 7 06 179 4 Bee 25 6 4 PANEL CASE DETAIL SHOWING THE ADDITION WASHERS OVER THE BOSS TO TIGHTEN THE RELAY AGAINST THE PANEL mE es MOUNTING PANEL 7 06 179 4 10 32 SCREWS TERMINAL EXTENSION TYP 231 FOR DETAILED INSTRUCTIONS 7 9 H SEE THE TERMINAL PROJECTION MOUNTING KIT SUPPLIED D2856 21 63 x 06 15 99 2 195 16 0 Figure 4 6 Case and Cover Dimensions Projection Mounting Side View 9190700990 Rev F BE1 67N Installation 4 7 CONNECTIONS Be sure to check the model and style number of a relay before connecting and energizing the relay Incorrect wiring may result in damage to the relay Except where noted connections should be made with wire no smaller than 14 AWG Internal relay connections are shown in Figure 4 7 Typical sensing input connections are shown in Figures 4 8 and 4 9 Typical output connections are shown in Figure 4 10 4 8 BE1 67N Installation 9190700990 Rev F EXTERNAL CAS GROUND TERMINAL 4 1 RELAY AUX FAIL OUTPUT PADDLE OPERATED SHORTING BARS NON DIR INST TRIP OUTPUT Analog Logic Circuit Board DIR TIME TRIP OUTPUT DIR INST TRIP OUTPUT
9. A 7 Figure A 7 Timing Type B7 Extremely Inverse Switch Position 7 sse A 8 Figure A 8 Timing Type 22 BS 142 Long Inverse Switch Position 8 A 9 Figure 9 Timing Type E4 BS 132 Inverse Switch Position 9 A 10 Figure A 10 Timing Type E5 BS 142 Inverse Switch Position A 11 Figure A 11 Timing Type BS 142 Very Inverse Switch Position A 12 Figure A 12 Timing Type E7 BS 142 Extremely Inverse Switch Position C D E A 13 Tables Table A 1 Characteristic Curves and Switch A 1 9190700990 Rev F BE1 67N Characteristic Curves i This page intentionally left blank BE1 67N Characteristic Curves 9190700990 Rev F APPENDIX A CHARACTERISTIC CURVES BE1 67N TIME OVERCURRENT CURVES BE1 67N time overcurrent curves are illustrated in Figures A 1 through A 12 Table A 1 lists each curve along with the corresponding characteristic curve selector switch position Table A 1 Characteristic Curves and Switch Positions Switch Characteristic Position Curve Characteristic Description Figure 3 B1 Short Inverse A 1 1 B2 Long Inverse A 2 5 B3 Definite A 3 2 B4 Moderately Inverse 4 4 5 Inverse A 5 6 B6 Very Inverse A 6 7 B7 Extreme
10. Type L power supply may require 14 Vdc to begin operation Once operating the voltage may be reduced to 12 Vdc Output Contacts Resistive Ratings 120 Vac Make break and carry 7 Aac continuously 250 Make and carry 30 for 0 2 s carry 7 Adc continuously and break 0 3 Adc 500 Vdc Make and carry 15 Adc for 0 2 s carry 7 Adc continuously and break 0 3 Adc Inductive Ratings 120 Vac 125 250 Break 0 3 A L R 0 04 1 6 BE1 67N General Information 9190700990 Rev F Target Indicator A choice of either internally operated targets or current operated targets is available as specified by style number Internally operated targets use the internal trip signal to energize the output relay and target drivers Current operated targets are energized by a minimum of 0 2 A flowing through the output contacts Type Tests Dielectric Strength Withstands 1 500 Vac at 60 Hz for 1 minute in accordance with IEC 255 5 and ANSI IEEE C37 90 1 1989 Surge Withstand Capability Qualified to C37 90 1 1989 and IEC 255 5 Radio Frequency Interference Field tested using a 5 W handheld transceiver operating at random frequencies centered around 144 MHz and 440 MHz with the antenna located 6 inches 150 mm from the relay in both horizontal and vertical planes Shock Withstands 15 G in each of three mutually perpendicular planes without structural damage or degradation of performance Vibration
11. V 27 y ic o MULTIPLES OF PICK UP SETTING 10 07 05 05 02 01 00 9190700990 BE1 67N Characteristic Curves A 3 1000 900 800 700 600 500 400 500 200 100 80 70 60 50 40 50 20 aan oawo TIME IN SECONDS 02 D0252 25 08 19 05 01 5 6 7 8 91 2 3 4 5 678910 20 101 4 4 L 5 6 7 8 91 2 3 4 5 6 78910 20 Figure A 3 Timing Type B3 Definite Time Switch Position 5 MULTIPLES OF PICK UP SETTING r omz zd4 99 80 60 40 350 20 10 07 05 03 02 01 00 4 BE1 67N Characteristic Curves 9190700990 Rev F 5 6 7 8 9 1 2 4 5 67890 20 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 T 40 30 Y D 20 10 9 8 7 6 5 99 4 80 2 60 1 2 50 gt 40 350 9 20 8 7 6 p 10 4 co 07 3 05 03 2 T
12. 1 6 E deduct lave es 1 7 IH 1 7 RECOGNITION Er 1 7 PT 1 7 Figures Figure 1 1 Zero Sequence Polarizing Two Winding Transformer 1 1 Figure 1 2 Zero Sequence Polarizing Three Winding 1 2 Figure 1 3 Style Number Identification 1 4 Tables Table 1 1 Maximum Operate 1 6 Table 1 2 Power Supply Types and 5 1 6 9190700990 Rev F BE1 67N General Information i This page intentionally left blank BE1 67N General Information 9190700990 Rev F SECTION 1 GENERAL INFORMATION PURPOSE BE1 67N Ground Directional Overcurrent Relays provide ground fault protection for transmission and distribution lines by sensing the flow of ground zero sequence current into or out of protected zones Zero sequence quantities provide a secure reference for the directional element because these quantities are defined by the total source impedance of the power system APPLICATION BE1 67N Ground Directional Overcurrent Relays are recommended for multi grounded systems to provide coordination necessary to selectively trip the faulted line A directional overcurrent relay operates by comparing the measured current to a reference quantity to de
13. 2 ULTIPLES OF PICK UP SETTING Figure A 6 Timing Type B6 Very Inverse Switch Position 6 9190700990 Rev F BE1 67N Characteristic Curves TIME IN SECONDS 12222222 AMV 00240 10 08 19 05 5 7 8 91 2 3 4 5 6 78910 20 MULTIPLES OF PICK UP SETTING Figure A 7 Timing Type B7 Extremely Inverse Switch Position 7 BE1 67N Characteristic Curves 9190700990 Rev F o to N w a o N o 1000 9 ooo 500 400 300 N aon gt 30 N o gt 4000 LA 02 22 TIME SECONDS Z TEA dni N 01 1 1 2 2 T JE 11102 15 11201 42 ___ D0334 06 08 19 05 S L L l o to N w 4 5 6 78910 20 MULTIPLES OF PICK UP SETTING Figure A 8 Timing Type E2 BS 142 Long Inverse Switch Position 8 9190700990 Rev F BE1 67N Characteristic Curves
14. Perform the Preliminary Test Setup before proceeding with time overcurrent pickup testing 2 Setthe polarizing voltage source Vo for 4 0 Vac at a 0 phase angle 3 Rotate the Directional Instantaneous Overcurrent control fully clockwise 4 Apply 0 4 Aac of lo 5 Slowly adjust the Directional Instantaneous Overcurrent control counterclockwise until the directional instantaneous trip output contacts terminal 11 and 13 close 6 Adjust the Vo phase angle until the directional instantaneous trip output contacts open and the Directional Instantaneous Inhibit indicator lights The phase angle should be 75 5 7 Adjust the Vo phase angle for 0 The directional instantaneous trip output contacts should close 8 Reduce lo to 0 35 9 Confirm that the directional instantaneous trip output contacts open 9190700990 Rev F BE1 67N Testing 5 7 10 Rotate the Directional Instantaneous Overcurrent control fully clockwise Vo Directional Verification For the following tests it will be necessary to adjust and monitor the magnitude of voltage and current as well as the phase angle relationship between sensing quantities The results should be recorded on polar graph paper to understand the significance of the results Blank polar graph forms are provided in Appendix B Polar Graph Forms 1 Perform the Preliminary Test Setup before proceeding with time overcurrent pickup testing 2 Adjust the polarizing voltage sour
15. Withstands 2 G in each of three mutually perpendicular planes swept over the rang of 10 to 500 Hz for a total of 6 sweeps 15 minutes each sweep without structural damage or degradation of performance Agency Recognition UL UL recognized per standard 508 UL file number E97033 GOST R Gost R certified No POCC US Me05 B03391 complies with the relevant standards of Gosstandart of Russia Issued by accredited certification body 0001 11 5 Physical Temperature Operating 40 to 70 C 40 to 158 F Storage 65 to 90 C 85 to 194 F Dimensions See Section 4 Installation Weight Maximum 18 Ib 8 2 kg 9190700990 Rev F BE1 67N General Information 1 7 This page intentionally left blank 1 8 BE1 67N General Information 9190700990 Rev F SECTION 2 CONTROLS AND INDICATORS TABLE OF CONTENTS SECTION 2 CONTROLS AND INDICATORS 2 1 INTRODUCTION EE 2 1 FRONT PANEL CONTROLS AND 2 1 ANALOG AND DIGITAL CIRCUIT BOARD 2 3 MOTHER CIRCUIT BOARD CONTROLS 2 4 Figures Figure 2 1 Front Panel Controls and Indicators 2 1 Figure 2 2 Analog and Digital Circuit Board 2 3 Figure 2 3 Auxiliary Relay Select Switch Location sse 2 4 Tables Table 2 1 Front Panel Controls and
16. 3 so __ 44 44 4 44 se E so __ 100 90 70 1 441 41 44 44 44 1 o 2 AMA EECCA Ht a 1 NN NN 99 PAA 80 50 HoT es 2411 88 88 Esos 02 HN 01 EEE ae n 4 5 678910 20 MULTIPLES OF PICK UP SETTING Figure A 12 Timing Type E7 BS 142 Extremely Inverse Switch Position C D E F 00334 02 08 19 05 9190700990 Rev BE1 67N Characteristic Curves This page intentionally left blank BE1 67N Characteristic Curves 9190700990 Rev F APPENDIX B POLAR GRAPH FORMS These polar graph forms may be used to record and interpret the results of the Vo and lo directional verification test procedures provided in Section 5 Testing 130 120 110 100 90 80 70 60 50 40 40 50 30 60 20 70 10 80 o 0 2170 10 160 20 150 30 140 40 01146 12 130 120 110 100 90 80 70 60 50 5 11 92 130 120 110 100 90 80 70 60 50 40 40 50 50 60 20 70 80 20 30 40 p 22 01146 12 150 120 110 100 90 80 70 60
17. E 01 07 e Enhanced the readability of various figures throughout the manual D 10 06 e Updated description of Polarizing Source Select Switch S3 in Table 2 2 of Section 2 Controls and Indicators e Updated Output Contacts ratings in Section 1 General Information C 10 05 e Deleted references to service manual 9190700620 e Removed reference to jumper selectable Y power supply from style chart Updated power supply ratings in Section 1 e Corrected instantaneous overcurrent maximum operating times listed in the specifications and Table 3 5 e Corrected the polarizing voltage input burden listed in the specifications e Removed the shorting bar shown across terminals 5 and 6 in Figures 4 1 and 4 7 e Corrected the current values listed in Table 3 2 Sensing Input Ranges and Settings for 1 Aac Secondary e Updated all illustrations showing relay front panel or case cover e Created new Section 5 containing operational test procedures e Created new Appendix A containing characteristic curves previously contained in Section 1 e Created new Appendix B Polar Graph Forms e Updated style format of the manual B 06 93 e Changed all sections of the manual to reflect revised specifications e Expanded switch and control terminology in Section 2 e Revised Figure 3 1 e n Section 4 included polarization testing and a separate operational test procedure for sensing input ranges 3 and 4 A 10 92 e Revised Figures
18. 2 1 Table 2 1 Front Panel Controls and Indicators Locator Description A Directional Instantaneous Overcurrent Control Screwdriver adjustment of the directional instantaneous overcurrent element is made with this multi turn potentiometer Non Directional Instantaneous Overcurrent Control Screwdriver adjustment of the non directional instantaneous overcurrent element is made with this multi turn potentiometer Minimum Zero Sequence Overcurrent Control Screwdriver adjustment of the zero sequence current lo level applied to the directional instantaneous overcurrent element is made with this multi turn potentiometer Characteristic Angle Switch This two position switch sets the characteristic angle 0 or 60 for the zero sequence voltage polarizing unit With the switch in the 60 position characteristic angle accuracy is 5 for Vo inputs below 30 volts and 10 for Vo inputs greater than 30 volts Power Indicator This red LED lights when operating power is applied to relay terminals 3 and 4 Target Indicators These electronically latching red indicators display the protective element that caused a trip Target Reset Switch Operating this switch resets all of the latched target indicators Push to Energize Output Switches These switches enable testing of the relay output contacts without having to apply current or voltage to the relay sensing inputs One switch is provided for each outp
19. 50 5 11 92 9190700990 Rev F BE1 67N Polar Graph Forms B 1 This page intentionally left blank B 2 BE1 67N Polar Graph Forms 9190700990 Rev F Basler Electric ROUTE 143 BOX 269 HIGHLAND IL 62249 USA http www basler com info basler com PHONE 1 618 654 2341 FAX 1 618 654 2351
20. Pickup Range for Directional and Non Directional Instantaneous Elements Sensing Input Range 1 and 2 2 to 100 Aac Sensing Input Range 3 and 4 0 4 to 20 Aac Maximum Operate Time Maximum operating times are derived while Table 1 1 Maximum Operate Times stepping from a steady state normal conditions Multiple of Pickup Operate Time to an overcurrent condition When stepping from 1 05 Aac 100 ms an inhibit state the maximum times are longer Table 1 1 lists the instantaneous operate times 2 0 Aac 35 ms for multiples of pickup 5 0 Aac 20 ms Pickup Accuracy Within 5 of the defined pickup setting Repeatability 5596 Response Time Within 25 ms to a current reversal after fault inception Power Supply Relay operating power may be obtained from a wide variety of external sources When ordering any one of five internal power supply types may be selected to match the operating power voltage level available at your site Available power supply types are listed in Table 1 2 Table 1 2 Power Supply Types and Ratings Input Voltage Type Burden at Nominal Nominal Range J mid range 125 Vdc 24 to 150 Vdc 2 9W 9 120 90 to 132 12 8 K mid range 48 Vdc 24 to 150 Vdc 2 7W L low range 24 Vdc 12 to 32 2 8 W Y mid range 48 Vdc 24 to 150 Vdc 2 7W 9 125 24 10 150 2 9 Z high range 250 Vdc 68 to 280 Vdc 3 1W AE 240 Vac 90 to 270 Vac 22 0 VA
21. Tap Calibration control fully clockwise The Timing indicator should turn off Slowly increase the magnitude of the input current until the Timing indicator lights The input current level should be within 5 of 0 375 Aac low range or 1 125 Aac high range This verifies the pickup accuracy of the tap A setting 6 If verification of the remaining Tap Selector positions is desired adjust the Tap Selector to its next clockwise position when slowly increase the input current magnitude until the Timing Indicator lights Observe that the current level is within 5 of the value listed in Table 5 1 NOTE The Tap Selector position can be changed without disconnecting the current sensing inputs Table 5 1 Pickup Values for Tap Selector Positions Input Hanges 1 and 2 Nominal Tap Selector Switch Position lop Range A B C D E F G H J Terminals High 1 125 1 500 2 250 2 625 3 375 3 750 4 500 4 875 5 625 6 000 7and8 Low 0 375 0 500 0 750 0 875 1 125 1 250 1 500 1 625 1 875 2 000 7and9 Non Directional Instantaneous Overcurrent Pickup Test 1 Perform the Preliminary Test Setup before proceeding with time overcurrent pickup testing 2 Adjust the Non Directional Instantaneous Overcurrent control fully clockwise 3 Apply 2 0 Aac input current lo 4 Slowly adjust the Non Directional Instantaneous Overcurrent control counterclockwise until the non dir
22. following tests it will be necessary to adjust and monitor the magnitude of voltage and current as well as the phase angle relationship between sensing quantities The results should be recorded on polar graph paper to understand the significance of the results Blank polar graph forms are provided in Appendix B Polar Graph Forms 1 2 3 Perform the Preliminary Test Setup before proceeding with time overcurrent pickup testing Adjust the polarizing voltage source Vo for 4 0 Vac at a 0 phase angle With the lo current source set at 1 0 Aac low range or 2 0 Aac high range and the Characteristic Angle switch set at 0 vary the phase angle of the Vo input through 360 and note the phase angles within which the Directional Timing Inhibit indicator turns off When these results are illustrated on a polar plot the graph should resemble a v shaped line through the origin from 75 to 75 5 This plot defines the trip region as shown in Figure 5 2 130 120 110 100 90 80 70 60 50 40 40 TRIP 20 ZONE 60 20 TOLERANCE 70 10 BAND 80 0 ET NON TRIPPING 129 ZONE 160 20 150 30 D1147 14 08 50 05 40 40 130 120 110 100 90 80 70 60 50 Figure 5 2 Trip Zone Using Vo as Polarizing Source Char Angle 0 9190700990 Rev F BE1 67N Testing 5 3 4 Place the Characteristic Angle switch in the 60 position 5 Vary the phase angle of the Vo input through 360 and record
23. relay front panel and are not accessible with the cover installed TARGETS One target is included for each tripping function as specified by style number Targets are operated either by the internal signal initiating tripping internally operated or by a minimum of 200 mAdc flowing through the series circuit consisting of the target coil and output relay contacts current operated Within a specific relay all targets must be operated in the same way POWER SUPPLY OPTIONS Various power supply options are available to allow the BE1 67N relay to be used with standard supply voltages See the style chart for details POWER UP DELAY A power up delay timer is initiated upon application of control power to the relay to prevent undesired contact transitions when sensing signals are present Operation of measuring circuits and output circuits are inhibited less than 0 5 seconds until the power up delay period has expired MODEL AND STYLE NUMBER Electrical characteristics and operational features included in a specific relay are defined by a combination of letters and numbers that makes up the style number Figure 1 3 illustrates the BE1 67N style number identification chart The style number together with the model number describe the features and options in a particular device and appear on the front panel draw out cradle and inside the case assembly Style Number Example Operating features and characteristics of BE1 67N rel
24. the phase angles with which the Directional Timing Inhibit indicator turns off When these results are illustrated on a polar plot the graph should resemble a v shaped line through the origin from 15 to 135 5 This plot defines the trip region as shown in Figure 5 3 CHAR ANGLE 130 120 110 100 90 80 70 60 50 40 40 50 50 TRIP 60 dm ZONE 704 10 BR 1 TOLERANCE 80 eee O lop BAND 2470 10 E 90 NON TRIPPING um ZONE 150 30 140 40 01150 01 08 30 05 130 120 110 100 90 80 70 60 50 Figure 5 3 Trip Zone Using Vo as Polarizing Source Char Angle 609 lo Directional Verification For the following tests it will be necessary to adjust and monitor the magnitude of voltage and current as well as the phase angle relationship between sensing quantities The results should be recorded on polar graph paper to understand the significance of the results Blank polar graph forms are provided in Appendix B Polar Graph Forms 1 Perform the Preliminary Test Setup before proceeding with time overcurrent pickup testing 2 Apply 1 0 Aac of polarizing current lo at a phase angle of 0 3 With the lo current source set at 1 0 Aac low range or 2 0 Aac high range and the Characteristic Angle switch set at 0 vary the phase angle of the Vo input through 360 and note the phase angles within which the Directional Timing Inhibit indicator turns off Wh
25. to see that they agree Inspect the relay for shipping damage If there is evidence of damage file a claim with the carrier and notify your sales representative or Basler Electric If the relay will not be installed immediately store it in its original shipping carton in a moisture and dust free environment Before placing the relay in service it is recommended that the test procedures of Section 5 Testing be performed RELAY OPERATING GUIDELINES AND PRECAUTIONS Before installing or operating the relay not the following guidelines and precautions e For proper current operated target operation a minimum current of 200 milliamperes must flow through the output trip circuit e f a wiring insulation test is required remove the connection plugs and withdraw the relay from its case CAUTION When the connection plugs are removed the relay is disconnected from the operating circuit and will not provide system protection Always be sure that external operating monitored conditions are stable before removing a relay for inspection test or service NOTE Be sure that the relay is hard wired to earth ground with no smaller than 12 AWG copper wire attached to the ground terminal on the rear of the case When the relay is configured in a system with other devices it is recommended to use a separate lead to the ground bus from each device MOUNTING BE1 67N relays are supplied in M1 cases for semi flush mounting o
26. 0 130 5 0 540 5 5 0 233 5 1 190 s E6 B 0 160s 0 770 5 7 C D E F 0 130s 0 480 s Accuracy with Tap Calibration control rotated fully clockwise is 5 or 50 milliseconds whichever is greater within values shown graphically on the published characteristic curves 9190700990 Rev F BE1 67N Testing 5 5 5 Set the Tap Selector at position A and rotate the Tap Calibration control fully clockwise Rotate the Directional and Non Directional Instantaneous Overcurrent controls fully clockwise Set the Time Dial at 00 Adjust the lo current source for 0 375 Aac low range or 1 125 Aac high range and apply this current to the sensing inputs Voltage 4 0 Vac will also need to be applied to the sensing input of the directional element for this test The phase angle between current and voltage should be adjusted so that the Timing indicator lights when the pickup current is applied Adjust the Tap Calibration control if required so that the Timing indicator is lit This sets the relay pickup for the following steps Connect a counter to monitor the time interval from initiation of the timing condition to the output contact transition at terminals 11 and 12 Switch the sensing current to 1 875 Aac low range or 5 625 Aac high range This is five times the level set in step 2 Monitor the time required for the output contact to change state and compare the time with the appropriate value in Table 5 2
27. 02 EE 01 1 oo 09 08 07 106 105 104 03 eo 9 12 31 0 5 6 7 8 91 2 4 5 6 7 8910 20 ULTIPLES OF SETTING Figure A 4 Timing Type B4 Moderate Inverse Switch Position 2 9190700990 Rev F BE1 67N Characteristic Curves A 5 5 6 7 8 91 2 3 4 5 6 78910 1000 800 700 600 500 400 300 200 gt aon TIME IN SECONDS D0252 27 08 19 05 01 5 6 7 8 9 1 2 3 4 5 678910 MULTIPLES OF PICK UP SETTING 20 sg 99 80 60 40 50 20 10 07 05 05 01 00 Figure A 5 Timing Type B5 Inverse Switch Position 4 A 6 BE1 67N Characteristic Curves 9190700990 Rev F 5 6 7 8 9 1 2 3 4 5 6 78910 20 100 90 80 70 60 50 40 30 HER 10 D 5 2 7 Z 6 O 5 H 1 4 X Z m 99 zi 80 7 4 60 HI n 5 0 P X PR 30 5 LN 4 NN 20 25 2 0 10 2 Pc D 05 PIN 03 d 02 01 00 05 04 03 515 02 44 01 5 6 7 8 91 3 4 5 6 7 8910 20
28. 0990 Rev F BE1 67N General Information 1 1 PROTECTED LINE B PHASE RELAYS oz 67N ag 8 o 0 69 EN Y BIN EA 224 79 01146 07 5 11 92 B 67N C 67N 29 T Ub ALTERNATE Cam HEISE CONNECTIONS mm FOR 67N POLARIZING TRANSFORMERS P d CURRENT 125 Ia 67N SIN 76 VPOL NIE POWER TRANSFORMER Figure 1 2 Zero Sequence Polarizing Three Winding Transformer Zero Sequence Voltage Zero sequence voltage polarization is preferred for higher ground source impedances Refer to Figures 1 1 and 1 2 for relay connections that obtain zero sequence voltage 3Vo from a set of grounded wye broken delta voltage transformers The voltage polarized relay has a directional polarization adjustment to match the impedance angle of the protected line to the characteristic angle of the relay This is the angle about which the directional angle is centered A choice of line angles allows the relay to be adjusted to include the resistance component of the ground fault Dual Zero Sequence Current and Voltage Dual polarization is preferred where ground source impedance varies or to provide redundant polarization Dual polarization is achieved using a polarizing signal that is the phasor sum of the current and voltage polarizing signals OUTPUT CONTACTS BE1 67N relays have the following output contacts relay status alarm relay fail tri
29. 3 1 through 3 3 and added Figure 3 4 e Added Section 6 Manual Change Information 05 92 e Initial release 9190700990 Rev F BE1 67N Introduction iii This page intentionally left blank BE1 67N Introduction 9190700990 Rev F CONTENTS SECTION 1 GENERAL 1 1 SECTION 2 CONTROLS AND 2 1 SECTION FUNCTIONAL 3 1 a RARE 4 1 SEGTION 5 E erdt e ae ie euis 5 1 APPENDIX CHARACTERISTIC CURVES A 1 APPENDIX B e POLAR GRAPH 7 B 1 9190700990 Rev F BE1 67N Introduction This page intentionally left blank vi BE1 67N Introduction 9190700990 Rev F SECTION 1 GENERAL INFORMATION TABLE OF CONTENTS SECTION 1 GENERAL INFORMATION 1 1 GE nec 1 1 APPLICATION mE 1 1 Zero SEQuence Current efi cie adus ee p eee awa 1 1 Zero Sequence 1 2 Dual Zero Sequence Current and
30. AL OVERCURRENT RELAY BREAKER TRIP COIL BREAKER AUXILIARY CONTACTS DIRECTIONAL TIME OVERCURRENT INSTANTANEOUS FUSE MAINTENANCE BE1 67N relays require no preventative maintenance other than a periodic operational check If the relay fails to function properly contact Technical Sales Support at Basler Electric to coordinate repairs STORAGE This protective relay contains aluminum electrolytic capacitors which generally have a life expectancy in excess of 10 years at storage temperatures less than 40 C 104 F Typically the life expectancy of a capacitor is cut in half for every 10 C rise in temperature Storage life can be extended if at one year intervals power is applied to the relay for a period of 30 minutes 9190700990 Rev F BE1 67N Installation This page intentionally left blank 4 12 BE1 67N Installation 9190700990 Rev F SECTION 5 TESTING TABLE OF CONTENTS SEGTION 5 TESTING n bnt reta tont daa e etam sete dt otha uitae edidi uda 5 1 INTRODUCTIONS c 5 1 TEST PROCEDURES FOR SENSING INPUT RANGES 1 AND 2 5 1 Operational Test 5 1 Timing Verification det apod lees tp ceed de aa dea aR EAS 5 5 TEST PROCEDURES FOR SENSING INPUT RANGES AND 4 5 6 Operational Test
31. CUIT BOARD CONTROLS Mother circuit board controls consist of a single Auxiliary Relay Select Switch S1 The location of S1 is illustrated in Figure 2 3 Os 2 2200 89 03 ABCD CR19 Qs CR20 4 E B 9 60 1 67 MOTHER BOARD 7 54 O 9 1907 03 00 C REV sO O amp c12 54 Oo P0031 18 08 19 05 Figure 2 3 Auxiliary Relay Select Switch Location 51 enables the auxiliary output contact if equipped to operate in parallel with any combination of tripping outputs Table 2 3 lists each tripping output and the S1 position that causes the auxiliary output contact to operate in parallel with it Table 2 3 Auxiliary Relay Select Switch Selections S1 Position Tripping Output 51 Directional Instantaneous S1 B Time Overcurrent 1 C Non Directional Instantaneous 1 D Not Used 2 4 BE1 67N Controls and Indicators 9190700990 Rev F SECTION 3 e FUNCTIONAL DESCRIPTION TABLE OF CONTENTS SECTION FUNCTIONAL DESCRIPTION nennen 3 1 INTRODUCTION emm 3 1 CURRENT eps ene eric ended c ide eue cU Duc 3 1 VOLTAGE SEN
32. INSTRUCTION MANUAL FOR GROUND DIRECTIONAL OVERCURRENT RELAY BE1 67N Basler Electric TAP RANGE e TAP INST DIR 8 CAL INST INST 10 CHAR 2 9 9 2 O TIME DIAL D H 225 0300 0 50 0 525 0675 0750 0 975 1125 1 200 0 22 5 0 150 0 400 BE1 67N GROUND DIRECTIONAL OVERCURRENT Style XXX XXXXX Serial No XXXXXXXXXXXX PUSH TO INST Ou 2 NON DIR INST P0031 15 ES Basler Electric Publication 9190700990 Revision F 08 07 INTRODUCTION This instruction manual provides information about the operation and installation of the BE1 67N Ground Directional Overcurrent Relay To accomplish this the following information is provided e General Information and Specifications Controls and Indicators Functional Description Installation e Testing WARNING To avoid personal injury or equipment damage only qualified personnel should perform the procedures in this manual NOTE Be sure that the relay is hard wired to earth ground with no smaller than 12 AWG copper wire attached to the ground terminal on the rear of the unit case When the relay is configured in a system with other devices it is recommended to use a s
33. SING petere reped edd side e mb ede rbd e de tee e kde ebd 3 2 DIRECTIONAL ELEMENT eene ehe rh hee he 3 2 Zero Sequence Current 3 2 Zero Sequence Voltage 2 3 3 Dual Zero Sequence Current and Voltage 3 4 OVERCURRENT 3 4 Time Overcurrent Element eed decre mike ee b eed tede ede t 3 4 Instantaneous Overcurrent 3 5 Operate 3 5 OUTPUT CONTAC TS 3 5 Relay Failure 3 5 Tripping ERE 3 5 Auxiliary Output abc leche ee aate ec MERI 3 5 PUSH TO ENERGIZE OUTPUT SWITCHES 3 6 POWER SUPPLY 3 6 MHcIicc X 3 6 Internally Operated Targets ec eiecti e 3 6 Current Operated Targets 3 6 Figures Figure 3 1 Function B
34. Selector Switch Position lop Range A B C D H J Terminals High 1 125 1 500 2 250 2 625 3 375 3 750 4 500 4 875 5 625 6 000 7 and 8 Low 0 375 0 500 0 750 0 875 1 125 1 250 1 500 1 625 1 875 2 000 7 and 9 The Tap Calibration control provides continuous adjustment between a selected setting of the Tap Selector switch and the next lower setting When the Tap Calibration control is adjusted fully clockwise the relay pickup setting will be within 5 of the Tap Selector switch setting VOLTAGE SENSING The relay receives a polarized voltage input Vo from the secondary windings of standard potential transformers or coupling capacitor potential devices These components supply up to 240 volts line to neutral for a 50 60 hertz nominal system frequency DIRECTIONAL ELEMENT The directional element determines when the monitored power system quantities have the proper phase relationship for tripping The BE1 67N has three types of switch selectable directional capabilities zero sequence current polarization zero sequence voltage polarization and dual zero sequence current and voltage polarization Polarizing Source Select Switch S3 located on the Analog circuit board is used to select the desired directional capability Zero Sequence Current Polarization The zero sequence current polarizing unit is capable of detecting the phase relationship bet
35. Set the Time Dial at 10 and repeat step 4 TEST PROCEDURES FOR SENSING INPUT RANGES 3 AND 4 The following paragraphs contain procedures for verifying the operation and timing curves of a BE1 67N relay with sensing input range of 3 or 4 Operational Test Procedure Following a preliminary test setup BE1 67N operational testing consists of a time overcurrent pickup test an instantaneous overcurrent pickup test directional and non directional Vo directional verification and lo directional verification Preliminary Test Setup 1 Connect the BE1 67N relay as shown in Figure 5 1 2 Adjust the Tap Calibration control fully clockwise 3 the Time Dial at 99 4 Set the Tap Selector switch in position 5 Adjust the Directional Instantaneous Overcurrent control and Non Directional Instantaneous Overcurrent control fully clockwise 6 Place the Characteristic Angle switch in the 0 position 7 Setthe Polarizing Source Select switch locator A of Figure 2 2 for dual polarization both the Vo and lo switches up 8 Apply the proper power supply voltage to relay case terminals 3 and 4 Refer to Section 1 General Information for the voltage range for each power supply type 9 Insert the relay connection plugs 10 Verify that the Power Directional Timing Inhibit and Directional Instantaneous Inhibit indicators are lit 11 Verify that the Relay Failure output contacts at case terminals 19 and 20 fu
36. according to time dial setting Useful for sequential tripping schemes 3 4 BE1 67N Functional Description 9190700990 Rev F Style Characteristic Designation Shape Special Characteristics BA E4 Moderately Inverse Accommodates moderate load changes as may occur on parallel lines where one line may occasionally have to carry both loads B5 E5 Inverse Provide additional variations of the inverse characteristic B6 6 Very Inverse allowing flexibility in meeting load variations or in coordinating with other relays B7 E7 Extremely Inverse Instantaneous Overcurrent Elements BE1 67N relays may be optionally equipped with one or two instantaneous elements one supervised by the directional element Instantaneous units are supplied from a separately obtained input signal to permit a setting that is independent of the time overcurrent unit Maximum operating times for the instantaneous overcurrent element are listed in Table 3 5 Table 3 5 Instantaneous Overcurrent Element Operating Times Multiples of Pickup Operate Time 1 05 Aac 100 ms 2 0 Aac 35 ms 5 0 Aac 20 ms OUTPUT CONTACTS BE1 67N relays are equipped with a relay failure output contact and tripping output contacts Auxiliary output contacts are available as an option Relay Failure Output Contact The relay failure output terminals 19 and 20 is a normally closed contact that is energized open during norm
37. agnitude until the Timing Indicator lights Observe that the current level is within 5 of the value listed in Table 5 3 NOTE The Tap Selector position can be changed without disconnecting the current sensing inputs Table 5 3 Pickup Values for Tap Selector Positions Input Ranges 3 and 4 Nominal Tap Selector Switch Position lop Range A B C D E F G H J Terminals High 0 225 0 300 0 450 0 525 0 675 0 750 0 900 0 975 1 125 1 200 7and8 Low 0 075 0 100 0 150 0 175 0 225 0 250 0 300 0 325 0 375 0 400 7and9 Non Directional Instantaneous Overcurrent Pickup Test 1 2 3 4 Perform the Preliminary Test Setup before proceeding with time overcurrent pickup testing Adjust the Non Directional Instantaneous Overcurrent control fully clockwise Apply 0 4 Aac input current lo Slowly adjust the Non Directional Instantaneous Overcurrent control counterclockwise until the non directional instantaneous trip output activates contacts at terminals 14 and 15 close Adjust the polarizing voltage source Vo for 4 Vac at a 90 phase angle The relay should remain in a tripped state Reduce lo to 0 35 Aac Confirm that the non directional instantaneous trip output contacts at terminals 14 and 15 open Adjust the Non Directional Instantaneous Overcurrent control fully clockwise Directional Instantaneous Overcurrent Pickup Test 1
38. al operating conditions The output contact closes when the relay power supply is not receiving proper operating voltage and when the microprocessor self diagnostics function has detected an error A case mounted shorting bar places a short circuit across terminals 19 and 20 when the relay draw out assembly is removed from the case Tripping Output Contacts Normally open output option E or normally closed output option F tripping contacts are included for each protective function The configuration of these contacts is defined by the relay style number The directional time trip output contacts are provided at relay terminals 11 and 12 If the relay is equipped with a non directional instantaneous element instantaneous option 1 or 4 non directional instantaneous trip output contacts are provided at relay terminals 14 and 15 If the relay is equipped with a directional instantaneous element instantaneous option 3 or 4 directional instantaneous trip output contacts are provided at terminals 11 and 13 Note that the directional time trip output contacts and directional instantaneous trip output contacts share terminal 11 as a common terminal Auxiliary Output Contacts Normally open auxiliary contacts option 1 normally closed auxiliary option 2 or single pole double throw auxiliary option 5 auxiliary output contacts are available and act in tandem with the relay tripping functions Auxiliary Relay Select Switch S1 located on t
39. and the 60 setting is selected only the Vo polarization is affected as shown in Figure 3 4 and dual polarizing comparison still functions as described above This simply means that the directional characteristic is in the center of the total trip region when Vo leads the directional characteristic by 60 OVERCURRENT ELEMENTS The BE1 67N relay has a directional controlled time overcurrent element and may optionally include non directional and or directional instantaneous overcurrent elements as specified by the style number Time Overcurrent Element The time overcurrent element has all of the standard time current characteristics listed in Table 3 4 These 12 time overcurrent characteristics are available to aid in the coordination of the BE1 67N with other protective devices in the system Seven of the characteristics are standard in North America and five are compatible with British or IEC standard requirements Time Overcurrent Characteristic Curve Selector Switch S6 located on the Digital circuit board is used to select the time curve characteristic Table 3 4 Selection Considerations for Characteristic Curves Style Characteristic Designation Shape Special Characteristics B1 Short Inverse Relatively short time desirable where preserving system stability is a critical factor B2 E2 Long Inverse Provides protection for starting motors and overloads of short duration B3 Definite Time Fixed time delay
40. ays are identified by the style number For example a BE1 67N relay with style number A1E Z2J B4COF has the following features and options zero sequence current voltage or dual polarized 1 60Hzsensing with a range of 0 25 to 6 0 Aac E normally open output contacts Z2 switch selectable timing characteristics J relay operating power derived from 125 Vdc or 120 Vac B current operated targets 4 two instantaneous elements directional and non directional C push to energize outputs pushbuttons 0 auxiliary output contacts semi flush case mounting 9190700990 Rev F BE1 67N General Information 1 3 JO 210 0 01141 010 SENSING INPUT TYPE A Zero sequence 72 Switch selectable 120 Vac current voltage or dual polarized SENSING INPUT RANGE 1 0 25 6 0 Amps 60 Hz 2 0 25 6 0 Amps 50 Hz 3 0 05 1 2 Amps 60 Hz 4 0 05 1 2 Amps 50 Hz E Normally open F Normally closed POWER OPTION 1 SUPPLY INSTANTANEOUS OPTION 3 125 Vde 0 None ee contacts Short inverse K 1 Non directional 1 Normally open Lonq inverse time instantaneous 9 24 Vdc 2 Normally closed Definite time Y 48 125 Vde 3 Directional 5 SPDT form c instantaneous 2 250 element 240 Vac Moderately inverse time 4 Non directional and directional instantaneous element OPTION 4 Semi flush mounting Inverse time Very inverse tim
41. c Minimum Sensing Level Directional Instantaneous 4 0 Vac Time Overcurrent 0 75 Vac Burden At 120 Vac 1 VA Operating Region Operating region is 75 150 window centered about the characteristic angle Harmonic Sensitivity Polarizing voltage is not affected by third or higher harmonics Characteristic Angle Characteristic angle is switch selectable to 0 60 Characteristic angle accuracy is 5 for Vo inputs below 30 Vac and 10 for Vo inputs greater than 30 Vac Directional Closing Band Directional closing band is 57529 centered about the characteristic angle Directional Unit Response Time Within 15 ms to change in direction and magnitude Repeatability Set angles are repeatable within 3 or 1 whichever is greater Time Overcurrent Pickup Range Sensing Input Range 1 and 2 0 25 to 6 Aac Sensing Input Range 3 and 4 0 05 to 1 2 Aac Pickup Accuracy Within 5 of the expected value established by tap selector switch with the intertap adjustment at its maximum clockwise setting Repeatability Repeatability of pickup setting combination of tap selector switch and intertap adjustment is 2 Response Time Accuracy Within 5 of the time value indicated on the characteristic time curve or 25 ms whichever is greater 9190700990 Rev F BE1 67N General Information 1 5 Operate Time Repeatability Operate time is repeatable within 2 or 25 ms whichever is greater Instantaneous Overcurrent
42. ce Vo for 4 0 Vac at a 0 phase angle 3 With the lo current source set at 0 2 Aac low range or 0 4 Aac high range and the Characteristic Angle switch set at 0 vary the phase angle of the Vo input through 360 and note the phase angles within which the Directional Timing Inhibit indicator turns off When these results are illustrated on a polar plot the graph should resemble a v shaped line through the origin from 75 to 75 5 This plot defines the trip region as shown in Figure 5 2 Place the Characteristic Angle switch in the 60 position 5 Vary the phase angle of the Vo input through 360 and record the phase angles with which the Directional Timing Inhibit indicator turns off When these results are illustrated on a polar plot the graph should resemble a v shaped line through the origin from 15 to 135 5 This plot defines the trip region as shown in Figure 5 3 lo Directional Verification For the following tests it will be necessary to adjust and monitor the magnitude of voltage and current as well as the phase angle relationship between sensing quantities The results should be recorded on polar graph paper to understand the significance of the results Blank polar graph forms are provided in Appendix B Polar Graph Forms 1 Perform the Preliminary Test Setup before proceeding with time overcurrent pickup testing 2 Apply 1 0 Aac of polarizing current lo at a phase angle of 0 3 With the lo curre
43. e Extremely inverse time British standard long inverse time British standard P Projection inverse time A Internally mounting 1 3s operated British standard B Current inverse time 3s operated C Push to energize outputs and relay fail D0850 21 British standard 08 18 05 very inverse time outputs British standard NOTES inverse N When target is B output must be E 2 relays supplied in M1 size cose Figure 1 3 Style Number Identification Chart SPECIFICATIONS BE1 67N relays have the following features and capabilities Current Sensing lo Inputs Pickup Adjustment Range 1 and 2 Range 3 and 4 Current Rating Sensing Input Range 1 and 2 0 25 to 6 0 Aac 0 05 to 1 2 Aac Continuous Rating 7 5 Aac 5 Minute Rating 20 Aac 1 Second Rating 150 Aac Sensing Input Range 3 and 4 Continuous Rating 1 5 Aac 5 Minute Rating 4 Aac 1 Second Rating 30 Aac Burden Maximum 010 Frequency Nominal 50 Hz or 60 Hz 1 4 BE1 67N General Information 9190700990 Rev F Range 50 Hz Nominal 45 to 55 Hz 60 Hz Nominal 55 to 65 Hz Polarizing Current 10 Current Rating Continuous 10 Aac 1 Second 150 Aac Minimum Sensing Level Directional Instantaneous Front panel adjustable from 0 75 to 2 0 Aac Time Overcurrent Fixed at 0 2 Aac Burden Maximum 010 Polarizing Voltage Vo Maximum Rating Line to Neutral Continuous 240 Vac 1 Second 360 Va
44. easured current and the zero sequence voltage 90 Figure 3 3 Zero Sequence Voltage Polarizing Phase Relationship 0 Characteristic Angle The characteristic angle is front panel selectable for a line impedance angle of 0 or 60 This is the angle between and the directional characteristic The closing band is centered on the directional characteristic Vo in Figure 3 3 and shifted 60 in Figure 3 4 9190700990 Rev F BE1 67N Functional Description 3 3 01349 09 Figure 3 4 Zero Sequence Voltage Polarizing Phase Relationship 60 Characteristic Angle Dual Zero Sequence Current and Voltage Polarization Dual polarizing is a combination of zero sequence current polarizing Figure 3 2 and or zero sequence voltage polarizing Figure 3 3 When both quantities are available the two polarizing quantities are combined at the electronics logic level to produce a sum of the two quantities which is then compared to the lop quantity to establish the total trip region As system conditions change one of the polarizing quantities Vo or lo may not be of sufficient magnitude lo gt 0 2 amperes or Vo gt 0 75 volts for use in the comparison to For instance if a potential transformer fuse is blown and is not available the comparison to lo is done with l only When dual polarization is selected either Vo or lo or both as stated above can be used in the comparison If dual polarizing is selected
45. ectional instantaneous trip output activates contacts at terminals 14 and 15 close 5 Adjust the polarizing voltage source Vo for 4 Vac at a 90 phase angle The relay should remain in a tripped state 5 2 BE1 67N Testing 9190700990 Rev F 6 T 8 Reduce lo to 1 8 Aac Confirm that the non directional instantaneous trip output contacts at terminals 14 and 15 open Adjust the Non Directional Instantaneous Overcurrent control fully clockwise Directional Instantaneous Overcurrent Pickup Test 1 017 a 7 8 9 Perform the Preliminary Test Setup before proceeding with time overcurrent pickup testing Set the polarizing voltage source Vo for 4 0 Vac at a 0 phase angle Rotate the Directional Instantaneous Overcurrent control fully clockwise Apply 2 0 Aac of lo Slowly adjust the Directional Instantaneous Overcurrent control counterclockwise until the directional instantaneous trip output contacts terminal 11 and 13 close Adjust the Vo phase angle until the directional instantaneous trip output contacts open and the Directional Instantaneous Inhibit indicator lights The Vo phase angle should be 75 5 Adjust the Vo phase angle for 0 The directional instantaneous trip output contacts should close Reduce lo to 1 8 Aac Confirm that the directional instantaneous trip output contacts open 10 Rotate the Directional Instantaneous Overcurrent control fully clockwise Vo Directional Verification For the
46. en these results are illustrated on a polar plot the graph should resemble a v shaped line through the origin from 75 to 75 5 This plot defines the trip region as shown in Figure 5 4 5 4 BE1 67N Testing 9190700990 Rev F 40 30 TRIP 20 ZONE TOLERANCE 0 2 21 TRIPPING ZONE 30 40 01147 13 08 30 05 150 120 110 100 90 80 70 60 50 Figure 5 4 Trip Zone Using IO as Polarizing Source Char Angle 0 Timing Curve Verification Connect the relay as shown in Figure 5 1 For convenience verification of timing may be performed at a low current level Timing will be measured from the point that the sensed current is applied until the output contact changes state The equipment needed to accomplish this task will need to step from O to 1 875 Aac low range or 0 to 5 625 Aac high range Table 5 2 lists checkpoints for each timing characteristic Use the Time Overcurrent Characteristic Curve Selector switch locator C of Figure 2 2 to select the desired characteristic Table 5 2 Expected Timing at Five Times Pickup Expected Times at Indicated Selector Time Dial Setting Timing Type Option 00 10 B1 3 0 066 s 0 194 s B2 1 0 587 s 3 410 s B3 5 0 103 s 0 494 s B4 2 0 168 5 0 875 5 5 4 0 149 5 0 722 5 6 6 0 126 s 0 551 s B7 7 0 195 s 1 011 8 B8 0 0 329 s 1 790 s E2 8 1 560 s 9 060 s 4 9
47. eparate lead to the ground bus from each unit 9190700990 Rev F BE1 67N Introduction First Printing May 1992 Printed in USA 1992 1993 2005 2007 Basler Electric Highland Illinois 62249 USA All Rights Reserved August 2007 CONFIDENTIAL INFORMATION of Basler Electric Highland Illinois USA It is loaned for confidential use subject to return on request and with the mutual understanding that it will not be used in any manner detrimental to the interest of Basler Electric It is not the intention of this manual to cover all details and variations in equipment nor does this manual provide data for every possible contingency regarding installation or operation The availability and design of all features and options are subject to modification without notice Should further information be required contact Basler Electric BASLER ELECTRIC ROUTE 143 BOX 269 HIGHLAND IL 62249 USA http www basler com info basler com PHONE 1 618 654 2341 FAX 1 618 654 2351 ii BE1 67N Introduction 9190700990 Rev F REVISION HISTORY The following information provides a historical summary of the changes made to the BE1 67N instruction manual 9190700990 Revisions are listed in reverse chronological order Manual Revision and Date Change F 08 07 e Moved content of Section 6 Maintenance to Section 4 e Updated power supply burden data in Section 1 e Updated Target Indicator description in Section
48. he Mother circuit board can be adjusted to make the auxiliary output contacts operate in tandem with any combination of tripping outputs The ability to configure the functionality of the auxiliary output contacts enables the BE1 67N to be used in various carrier schemes Information about setting S1 is provided in Section 2 Controls and Indicators 9190700990 Rev F BE1 67N Functional Description 3 5 PUSH TO ENERGIZE OUTPUT SWITCHES A pushbutton one for each tripping function energizes the corresponding output relay for testing purposes To prevent accidental operation of these switches they are recessed behind the front panel and are accessed by inserting a thin non conducting rod through access holes in the panel Control power must be applied to energize the output relays but application of sensing voltage and current is not necessary POWER SUPPLY Operating power for the relay circuitry is supplied by a wide range electrically isolated low burden power supply Power supply operating power is not polarity sensitive The front panel power LED and power supply status output indicate when the power supply is operating Power supply specifications are listed in Table 1 2 TARGETS Target indicators are optional components selected when a relay is ordered The electronically latched and reset targets consist of red LED indicators located on the relay front panel A latched target is reset by operating the target reset switch o
49. ion both the Vo and lo switches up 9190700990 Rev F BE1 67N Testing 5 1 11 Apply the proper power supply voltage to relay case terminals 3 and 4 Refer to Section 1 General Information for the voltage range for each power supply type Insert the relay connection plugs Verify that the Power Directional Timing Inhibit and Directional Instantaneous Inhibit indicators are lit Verify that the Relay Failure output contacts at case terminals 19 and 20 function properly The contacts should be open with relay operating power applied and closed with relay operating power removed When the upper connection plus is removed the case shorting bar should place a short circuit across terminals 19 and 20 NOTE The test procedures provided here for time overcurrent pickup non directional instantaneous overcurrent pickup and directional instantaneous overcurrent pickup are performed using only voltage polarizing Vo inputs Time Overcurrent Pickup Test 1 Perform the Preliminary Test Setup before proceeding with time overcurrent pickup testing 2 Adjust the polarizing input voltage source Vo for 4 Vac at a 0 phase angle 3 Adjust the lo input current source for 0 25 Aac low range or 0 75 Aac high range at a 0 phase angle 4 Verify the minimum pickup point of the range by slowly rotating the Tap Calibration control counterclockwise until the Timing indicator lights 5 Rotate the
50. lock 3 1 Figure 3 2 Zero Sequence Current Polarizing Phase 3 3 Figure 3 3 Zero Sequence Voltage Polarizing Phase Relationship 0 Characteristic 3 3 Figure 3 4 Zero Sequence Voltage Polarizing Phase Relationship 60 Characteristic 3 4 Tables Table 3 1 1 Current Sensing Input 3 1 Table 3 2 Sensing Input Range and Setting for 1 3 2 Table 3 3 Sensing Input Range and Setting for 5 3 2 Table 3 4 Selection Considerations for Characteristic 3 4 Table 3 5 Instantaneous Overcurrent Element Operating 3 5 9190700990 Rev F BE1 67N Functional Description i This page intentionally left blank BE1 67N Functional Description 9190700990 Rev F SECTION FUNCTIONAL DESCRIPTION INTRODUCTION BE1 67N circuit functions are illustrated in the function block diagram of Figure 3 1 and described in the following paragraphs
51. ly Inverse A 7 8 E2 Long Inverse BS 142 A 8 9 4 Inverse 1 3 s BS 142 A 9 A E5 Inverse 2 9 s BS 142 A 10 B E6 Very Inverse BS 142 A 11 E7 Extremely Inverse BS 142 A 12 9190700990 Rev F BE1 67N Characteristic Curves A 1 5 6 7 8 91 2 3 4 5 6 7 8 910 20 1000 800 700 600 400 300 20 IN SECONDS gt U rm zx HF w AUO OOOO O 06 ff 01 05 00 04 03 02 3s 01 5 6 7 8 91 2 3 4 5678910 20 ULTIPLES OF PICK UP SETTING Figure A 1 Timing Type B1 Short Inverse Switch Position 3 BE1 67N Characteristic Curves 9190700990 Rev F 5 6 7 8 91 2 3 4 5 6 78910 1000 900 800 700 600 20 TIME IN SECONDS gt 02 00252 24 08 19 05 01 5 6 7 8 9 1 2 3 4 5 6 7 8 910 Figure A 2 Timing Type B2 Long Inverse Switch Position 1 N o 4 4 4 y H gt P 4 4 4
52. n the front panel If relay operating power is lost any illuminated latched targets are extinguished When relay operating power is restored the previously latched targets are restored to their latched state A relay can be equipped with either internally operated targets or current operated targets Internally Operated Targets Outputs from the overcurrent elements are directly applied to drive the appropriate target indicator Each indicator is illuminated regardless of the current level in the trip circuit Current Operated Targets A current operated target is triggered by closure of the corresponding output contact and the presence of at least 200 milliamperes of current flowing in the trip circuit Note that the front panel function targets TIMED INST 1 etc may be either internally or current operated NOTE Prior to August 2007 BE1 67N target indicators consisted of magnetically latched disc indicators These mechanically latched target indicators have been replaced by the electronically latched LED targets in use today 3 6 BE1 67N Functional Description 9190700990 Rev F SECTION 4 INSTALLATION TABLE OF CONTENTS SECTION 4 e INSTALLATION 2t eio eec ttp ttd cg sean DO wey RE capes 4 1 INTRODUCTIONS E 4 1 RELAY OPERATING GUIDELINES AND 4 1 MOUNTING RR 4 1 c 4 8 MAINTENANCE PR 4 11
53. nction properly The contacts should be open with relay operating power applied and closed with relay operating power removed When the upper connection plus is removed the case shorting bar should place a short circuit across terminals 19 and 20 NOTE The test procedures provided here for time overcurrent pickup non directional instantaneous overcurrent pickup and directional instantaneous overcurrent pickup are performed using only voltage polarizing Vo inputs 5 6 BE1 67N Testing 9190700990 Rev F Time Overcurrent Pickup Test 1 2 3 Perform the Preliminary Test Setup before proceeding with time overcurrent pickup testing Adjust the polarizing input voltage source Vo for 4 Vac at a 0 phase angle Adjust the lo input current source for 0 05 Aac low range or 0 15 Aac high range at a 0 phase angle Verify the minimum pickup point of the range by slowly rotating the Tap Calibration control counterclockwise until the Timing indicator lights Rotate the Tap Calibration control fully clockwise The Timing indicator should turn off Slowly increase the magnitude of the input current until the Timing indicator lights The input current level should be within 5 of 0 075 Aac low range or 0 225 Aac high range This verifies the pickup accuracy of the tap A setting If verification of the remaining Tap Selector positions is desired adjust the Tap Selector to its next clockwise position when slowly increase the input current m
54. nt source set at 0 2 Aac low range or 0 4 Aac high range and the Characteristic Angle switch set 0 vary the phase angle of the Vo input through 360 and note the phase angles within which the Directional Timing Inhibit indicator turns off When these results are illustrated on a polar plot the graph should resemble a v shaped line through the origin from 75 to 75 5 This plot defines the trip region as shown in Figure 5 4 Timing Curve Verification Connect the relay as shown in Figure 5 1 For convenience verification of timing may be performed at a low current level Timing will be measured from the point that the sensed current is applied until the output contact changes state The equipment needed to accomplish this task will need to step from O to 0 75 Aac low range or 0 to 0 225 Aac high range Table 5 2 lists checkpoints for each timing characteristic Use the Time Overcurrent Characteristic Curve Selector switch locator C of Figure 2 2 to select the desired characteristic 1 Set the Tap Selector at position A and rotate the Tap Calibration control fully clockwise Rotate the Directional and Non Directional Instantaneous Overcurrent controls fully clockwise Set the Time Dial at 00 2 Adjust the lo current source for 0 75 Aac low range or 0 225 Aac high range and apply this current to the sensing inputs Voltage 4 0 will also need to be applied to the sensing input of the directional elemen
55. pping and auxiliary optional Relay Status Alarm A relay status alarm output contact relay fail indicates that proper voltages are not being supplied to the internal relay circuitry or that the microprocessor self diagnostics has detected an error This alarm output contact is normally closed Tripping Normally open or normally closed tripping contacts are included for each function within the relay Configuration of these contacts is defined by the relay style number These output contacts are used with optionally selected target indicator circuits 1 2 BE1 67N General Information 9190700990 Rev F Auxiliary Normally open normally closed or single pole double throw SPDT auxiliary contact configurations are provided to act in parallel with the tripping function s of the relay Configuration of the auxiliary output contacts are also defined by the relay style chart An auxiliary contact can be configured via internal switches to operate in parallel with any combination of tripping outputs Configurable auxiliary outputs permit use of the BE1 67N relay in various carrier schemes PUSH TO ENERGIZE OUTPUTS A push to energize pushbutton is included for each tripping output contact These pushbuttons can be used to verify correct operation of external control circuit wiring without the need to supply test signals to the relay Control power must be applied for this function to operate The pushbuttons are recessed behind the
56. ption 4 F or projection mounting option 4 P Dimension drawings and panel cutting drilling diagrams are provided in Figure 4 1 through 4 6 9190700990 Rev F BE1 67N Installation 4 1 5 59 144 5 2 84 0 25 6 4 DIA 4 PLACES 14 63 25 371 5 2 0 5 05 77 0 01427 11 06 22 00 6 06 154 0 Figure 4 1 Panel Cutting and Drilling Diagram Semi Flush Mounting BE1 67N Installation 9190700990 Rev F 7 41 188 1 6 20 157 6 6 Y 5 6 20 187 6 1 75 1 75 44 5 44 5 7 41 188 1 56 14 3 DIA 5 PLACES 75 19 1 DIA 20 PLACES D1427 12 2 29 96 Figure 4 2 Panel Drilling Diagram Projection Mounting 9190700990 Rev F BE1 67N Installation 4 3 P0002 14 08 10 01 Figure 4 3 Cover Dimensions Front View 4 4 BE1 67N Installation 9190700990 Rev F Figure 4 4 Case Dimensions Rear View 9190700990 Rev F BE1 67N Installation 4 5 10 32 SCREWS 10 32 SCREWS D2856 03 MOUNTING PANEL 06 15 99 55 75 Figure 4 5 Case and Cover Dimensions Semi Flush Mounting Side View 4 6 BE1 67N Installation 9190700990 Rev F
57. rent element is inhibited by the directional unit 2 2 BE1 67N Controls and Indicators 9190700990 Rev F ANALOG AND DIGITAL CIRCUIT BOARD CONTROLS Front panel HMI components are illustrated in Figure 2 2 and described in Table 2 2 The locators and descriptions of Table 2 1 correspond to the locators shown in Figure 2 2 ANALOG BOARD 4 1 O A e 9 GE gt DIGITAL BOARD 2214 UnJ 4 POWER SUPPLY BOARD 2 _ P0031 17 08 19 05 SS Figure 2 2 Analog and Digital Circuit Board Controls Table 2 2 Analog and Digital Circuit Board Controls Locator Description A Polarizing Source Select Switch S3 This assembly located on the Analog circuit board consists of two switches The left hand switch enables zero sequence voltage polarization and the right hand switch enables zero sequence current polarization The up position of the switch as shown selects the function B Normal Test Switch S1 This switch is used only during factory calibration and should remain in the Normal position C Time Overcurrent Characteristic Curve Selector Switch S6 This switch selects the characteristic curve to be used for the application See Appendix A Characteristic Curves for the curves available 9190700990 Rev F BE1 67N Controls and Indicators 2 3 MOTHER CIR
58. t for this test The phase angle between current and voltage should be adjusted so that the Timing indicator lights when the pickup current is applied Adjust the Tap Calibration control if required so that the Timing indicator is lit This sets the relay pickup for the following steps 3 Connect a counter to monitor the time interval from initiation of the timing condition to the output contact transition at terminals 11 and 12 4 Switch the sensing current to 0 75 Aac low range or 0 225 Aac high range This is five times the level set in step 2 Monitor the time required for the output contact to change state and compare the time with the appropriate value in Table 5 2 5 Setthe Time Dial at 10 and repeat step 4 5 8 BE1 67N Testing 9190700990 Rev F APPENDIX A CHARACTERISTIC CURVES TABLE OF CONTENTS APPENDIX CHARACTERISTIC 1 BE1 67N TIME OVERCURRENT 8 2 A 1 Figures Figure A 1 Timing Type Short Inverse Switch Position 3 A 2 Figure A 2 Timing Type B2 Long Inverse Switch 1 A 3 Figure A 3 Timing Type Definite Time Switch Position 5 4 Figure A 4 Timing Type B4 Moderate Inverse Switch Position 2 A 5 Figure A 5 Timing Type B5 Inverse Switch Position 4 A 6 Figure A 6 Timing Type Very Inverse Switch Position
59. ted in Table 3 1 Table 3 1 lp Current Sensing Input Connections Range Terminals 1 Aac High 0 225 to 1 20 Aac 7 and 8 Nominal Low 0 075 to 0 40 Aac 7 and 9 5 Aac High 1 125 to 6 0 Aac 7 and 8 Nominal Low 0 375 to 2 0 Aac 7 and 9 9190700990 Rev F BE1 67N Functional Description 3 1 Outputs from the sensing input transformers are applied to a scaling circuit that converts each of the input currents to a dc voltage level Scaling is controlled by the Tap Selector switch and the Tap Calibration control on the front panel The Tap Selector switch is a 10 position rotary switch that controls the relay settings listed in Tables 3 2 and 3 3 The values of current listed are obtained with the Tap Calibration control adjusted fully clockwise Range is determined by the relay current sensing input connections When the Tap Calibration control is in the fully clockwise position the relay pickup setting will be within 5 of the Tap Selector switch setting Table 3 2 Sensing Input Range and Setting for 1 Aac Secondary Nominal Tap Selector Switch Position lop Range A B C D E F G H J Terminals High 0 225 0 300 0 450 0 453 0 675 0 750 0 900 0 925 1 125 1 200 7 and 8 Low 0 075 0 100 0 150 0 175 0 225 0 250 0 300 0 325 0 375 0 400 7 and 9 Table 3 3 Sensing Input Range and Setting for 5 Aac Secondary Nominal Tap
60. termine whether current is flowing into or out of the protected zone Reference quantity is also referred to as polarizing quantity BE1 67N relays use one of the following quantities for polarization Zero sequence current e Zero sequence voltage e Dual zero sequence current and voltage The polarizing quantity is field selectable using a switch mounted on the analog circuit board When the selected polarizing quantities are less than the minimum threshold relay operation will be inhibited When using dual polarization the relay will operate if either polarizing quantity is above minimum threshold Zero Sequence Current Zero sequence current polarization is preferred for applications with low ground source impedance Figure 1 1 illustrates relay connections that obtain zero sequence current 3Io from a separate current transformer in the grounded neutral of a two winding wye delta power transformer Figure 1 2 illustrates relay connections that obtain zero sequence current from a current transformer s in the grounded neutral s of a three winding transformer The magnitude of the zero sequence current used for polarizing may be different from that of the ground current seen by the measuring element s of the relay PROTECTED LINE 8 5 01146 05 5 11 92 VOLTA TRANSFORMERS 67N 67N A R 6 5 B POWER TRANSFORMER Figure 1 1 Zero Sequence Polarizing Two Winding Transformer 919070
61. urves of a BE1 67N relay with sensing input range 1 or 2 Operational Test Procedure Following a preliminary test setup BE1 67N operational testing consists of a time overcurrent pickup test an instantaneous overcurrent pickup test directional and non directional Vo directional verification and lo directional verification Preliminary Test Setup 1 Connect the BE1 67N relay as shown in Figure 5 1 SPECIFIED POWER SUPPLY INPUT gt DIR m 9 LOW CURRENT 22281 HIGH SOURCE 7 A A 0 HT 3 TRIP D MEE 4 CURRENT 2 276 SOURCE BE1 6 N L 63 WITH VARIABLE 2 6 PHASE ANGLE 1 ADJUSTMENT 7 AUXILARY OUTPU VOLTAGE 6 SOURCE m 9 WITH VARIABLE GND _ RELAY PHASE ANGLE 5 TERM 120 FAIL ADJUSTMENT 01148 12 5 20 93 Figure 5 1 Typical Test Connections Adjust the Tap Calibration control fully clockwise Set the Time Dial at 99 Set the Tap Selector switch in position A Adjust the Directional Instantaneous Overcurrent control and Non Directional Instantaneous Overcurrent control fully clockwise Qv d oy qo Place the Characteristic Angle switch in the 09 position 7 Setthe Polarizing Source Select switch locator A of Figure 2 2 for dual polarizat
62. ut contact The recessed switches are operated by inserting a nonconductive rod through the front panel switch holes Timing Indicator This red LED lights when the time overcurrent setpoint is exceeded and the directional condition is met Time Dial These two thumbwheel switches set the time delay for the time current characteristic shape Tap Selector This ten position rotary switch sets the pickup level for the time overcurrent function The setting for the time overcurrent function is the value defined by the tap selector switch position The pickup level for each tap selector switch position is listed in a tap range chart on the front panel Tap Calibration Control Screwdriver adjustment of the time overcurrent pickup level is made with this multi turn potentiometer Tap Range Plate This plate is user adjustable to indicate the setting range either high or low that corresponds to the external current sensing connections at terminals 7 and 8 high or 7 and 9 low The front panel tap range chart lists the values of current that correspond to the high or low range current sensing connections and the Tap Selector switch position Directional Timing Inhibit Indicator This amber LED lights when operation of the directional time overcurrent element is inhibited by the directional unit Directional Instantaneous Inhibit Indicator This amber LED lights when operation of the directional instantaneous overcur
63. ween the zero sequence current l and the sensed measured current lop for the relay This unit is insensitive to third and higher harmonics An enabling output from the zero sequence current unit is given when the phase angle between lo and lop is 75 or less as shown in Figure 3 2 The total trip region shaded area in Figures 3 2 3 3 and 3 4 is 150 To allow operation of the time overcurrent element the level of ly applied to the directional element must be in excess of 0 2 amperes To allow operation of the directional instantaneous overcurrent element the level of l applied to the directional element must be in excess of an internal user adjustable threshold The range of this setting is 0 75 to 2 amperes The default factory setting is 2 amperes 3 2 BE1 67N Functional Description 9190700990 Rev F 90 90 Figure 3 2 Zero Sequence Current Polarizing Phase Relationship Zero Sequence Voltage Polarization Zero sequence voltage polarization determines the phase relationship between the zero sequence voltage and the sensed measured current lop Third and higher harmonics have no effect on the relay Zero sequence voltage element outputs require a minimum voltage level of 0 75 volts applied to the relay To enable the directional instantaneous overcurrent element the level of Vo applied to the relay must be 4 volts or more Figure 3 3 shows the phase relationship between the sensed m
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