Product Brochure: RFL GARD 8000 ® Protective Relay
Contents
1. gt gt Mm 6 e Ge X Zs 2 ED pi SZ Ji LS e SE ZS NS NA Y v GARD 8000 Protective Relay amp Communications System System Features One product for all your teleprotection and line protection needs Proven high speed secure and reliable synchronous communications Use as a stand alone Teleprotection Channel Current Differential Protection Distance Protection Power Line Carrier or combine them in one device Selectable redundancy for power supply main processor functional modules and communication interfaces Customized programmable logic for your specific application saves commissioning time and eliminates complex configuration Straight forward web browser user interface for settings and diagnostics no proprietary application program required Optional built in GPS receiver provides accurate time tags independently from any station clock Supports NERC FERC security standards RFL GARD 8000 2 TX FUNC 1 4 TX FUNC 2 6 TX FUNC 3 8 TX FUNC 4 10 TX FUNC 5 12 TX FUNC 6 14 TX FUNC 7 16 TX FUNC 8 20 COMMS ALARM 19 SYSTEM OK Efficient use of your communications channel up to 12 x 64 kbps per communication interface Metering Telemetry and Status Modules for RAS Remedial Action Scheme Wide Area Protection A wide range of communication interfaces to choose from el AS AAC BS 769 Koes X 212. RPL SOLUTIONS FOR AN EVOLVING WORLD pe PL SY Y A X RS gt X X x lt x K KID A lt gt gt ZA ov JU _ v ES gt a REL GARD 8000 PROTECTIVE RELAY COMMUNICATIONS SYSTEM gt a NZ SZ S K lt gt K ANA E ZN SK Nl A 2 GARD 8000 000000000 0 v o z lalsfalalaJelvje e m YSSEN N 2 11 13 Lad 15 16 G 17 18 je 19 SYSTEM OK 20 a Your world is ci and so are we At RFE we know your needs change much faster than your When we deliver we also deliver infrastructure Our comprehensive our reputation So when you open _line of solutions meets you wherever that box you re opening a custom d engineered solution factory tested and ready for deployment AE e SH E AN ren t just engineer And as long as you own that Ze re ja i M ontinuously vent you own the attention 7 1 Malas nt Lin a y vr db 7 equipment the advantage ing for you s Vi ET gt long haul IN IN AN AMA PA a TB gt v nu s H e g a S AK XD Le wi LN pa gt lt se lt gt d PESAS Ar K 9 IN lt gt oo E d 1 RAR y Ny G2 E S R
3. a Main 2 pilot or non pilot scheme The GARD 8000 offers full flexibility to use multiple communication interfaces for Main and Redundant relay protections Both protections can communicate over both channels or they can use separate channels You may also achieve redundancy by using one interface with multiple channels when digital media is available or use one digital communications interface for more data demanding protections such as current differential and a second independent analog channel for distance pilot and or transfer trip functions Optimize Existing Fiber Applications Dedicated fiber links can be routed via the GARD 8000 System making up to twelve 64 kbps channels available on the existing optical fiber These channels can be used for proven secure and dependable transfer trip as well as high speed pilot communications current differential and or distance protections No change to the existing scheme is required 12 channels Q 64 kbps GARD 8000 A A GARD 8000 RS 232 RS 232 19 200 bps 19 200 bps 64 kbps 64 kbps Figure 3 Dedicated Fiber Application RFL GARD 8000 protection relay using low speed RS 232 communication or current differential relays using 64 kbps will still have the use of a functionally dedicated point to point connection Multiplexer Pass Through Channel The GARD 8000 has 24 built in communications channels 12 in each of the two subsystems that can be used for Tel
4. applications where ultra reliable systems are required Protection System Proper performance of the Protection System requires a functioning communication link and teleprotection device While protective relays are commonly duplicated for increased redundancy this is not always the case for the communications channel Limited availability of external communication links or the cost of adding a second channel compromises power system protection redundancy e Mgr Ze GARD 8000 GARD 8000 Teleprotection Teleprotection Protection System Figure 1 Protection System April 2013 System protection redundancy can be improved by the GARD 8000 System Not only can additional channels easily be made available but the built in hardware redundancy will provide a higher degree of dependability than two separate protection systems In addition external relay to teleprotection wiring is eliminated minimizing the risk of faulty connections or interference affecting the protection system Hardware Redundancy The telecommunications industry has very stringent re quirements for redundancy The principle of no single point of failure is adopted With the increased demands on the power system hardware redundancy in the protection device provides an added level of insurance The GARD 8000 can be equipped with redundant power supplies redundant main processors redundant input outputs redundant functional modules and redundant com
5. up for the current differential protection in case of channel failure It can also operate in parallel with the current differential providing an independent different measuring principle Or it can be used as a stand alone non pilot or pilot distance protection A current differential protection module can be integrated in the GARD 8000 System Using one 64 kbps channel the current differential relay can use the same communication link as the teleprotection system module or it can have its separate channel interface Duplicating the highly successful RFL 9300 measuring principle with its high speed operation the GARD 8000 current differential protection provides added flexibility and enhanced functionality Extended fault recording and oscillography with larger dynamic range and more digital signals Fault records directly in COMTRADE allows evaluation by use of any standard reader While still extremely simple to set extended setting ranges are made available for increased system fault current coordination Transient block logic for added security at external fault clearing with ct errors Adjusts for different ct ratios by setting RFL GARD 8000 High speed trip Y cycle minimum 1 cycle typical Is completely unaffected by channel delay errors up to 4 ms as may be caused by asymmetric transmit and receive channels Two or three terminal versions Hot stand by redundant channel operation Optional single pole trip logic
6. 64 768 kbps ES O ze Moes G 703 co directional 64 kbps ANSI C37 94 fiber Fiber multi mode or single mode up to 100 km Auve lone Wire or Wire Power Line Carrier ON OFF or FSK selectable G RD 5000 ser DISEE Level 2 with point mapping SU ports ECO Soo 10 Year Warranty April 2013 System Specifications System Description The GARD 8000 Global Architecture Relaying Device is a revolutionary product platform that provides the user With a fully programmable system that can be used for all teleprotection and line protection needs The system uses fully programmable logic and settings that can be uploaded or downloaded using the built in TCP IP electrical or optical or RS 232 interface Communicating with the system is done with a PC using a Web Browser The GARD 8000 has a built in web server that contains all of the user settings no special or proprietary software is required to access the product A most unique feature is that the user manual and customer system and application drawings are stored in the GARD 8000 in Adobe pdf format and are easily accessible from the GARD 8000 web browser The GARD 8000 is available in a 3U chassis 5 25 which can support up to two additional teleprotection or protective relay function modules or a 6U chassis 10 50 which can support up to eight teleprotection or protective relay function modules Redundant controller and power supplies are available as options for
7. Dual breaker version 7 April 2013 Protection continued Dual Breaker Applications Figure 14 Breaker and a half and Ring Bus Application A distance line protection operates on the total line current summed from two ct s in breaker and a half or ring bus applications However the breaker failure relay and other breaker related protection elements need to use the individual current inputs from the current transformers The GARD 8000 System therefore complements the distance line protection with independent Breaker Modules for these additional functions The Breaker Module includes breaker failure relay recloser and sync check overcurrent voltage and frequency elements Power Line Carrier PS2 PS1 11 10 9 8 7 6 5 4 L g SINPOW 449 C 2INPOW 434 gt 191U32 9 IJNPO Hdg N Figure 15 GARD 8000 Distance Protection for a Breaker and a half application The GARD 8000 System logic makes it easy to combine the protection modules as required by the application No external interconnection wiring is required as all coordination is performed in the system logic For a breaker and a half application a GARD 8000 System can include two Distance relays one for each line and three independent Breaker modules one for each breaker The Power Line Carrier PLC module in the GARD 8000 System implements the functionality of the RFL 9785 ON OFF PLC and the RFL 9780 FSK PLC all in one device FSK o
8. Power Input p a si Ce D o GPS Antenna RS 232 Interface O DER M DNP MODBUS Inpu Optional Distance Relay Output Module Figure 10 Rear View 3U GARD 8000 with PLC Module Distance Relay and Input Output Module April 2013 10 RFL GARD SFPLC Dimensions GARD 8000 Single Function PLC SU System Dimensions 10 32 Thread 4 Places CUTOUT A 17 750 17 625 Min ses gir Figure 11 Rack or Cabinet Mounting 3U Figure 12 Panel Mounting 3U OU System Dimensions 0 187 Dia 8 Req or 10 32 Thread CUTOUT Figure 13 Rack or cabinet Mounting 6U Figure 14 Panel Mounting 6U RFL GARD 8000 TI April 2015 Notes April 2013 je RFL GARD 8000 Notes RFL GARD 8000 April 2013 April 2013 RPL RFL Electronics Inc 353 Powerville Road Boonton NJ 07005 USA Tel 973 334 3100 Fax 973 334 3863 www rflelect com RFL GARD 8000
9. am am am av am am am am am am am am am am am am am am am am am am am am am am am am Figure 5 Pass through functionality Any GARD 8000 with T1 El interface also provides Drop and Insert capability As illustrated in Figure 6 data can be passed by an external device in station A to A or to B In the same way data is passed from station B to Bor A This functionality borrowed from multiplexer technology provides substantial cost savings in applications where a full blown multiplexer would not be fully utilized A B RS449 X 21 V 35 i RS449 X 21 V 35 6 703 i I G 703 1 37 94 C37 94 Long Haul Long Haul RS 232 x2 RS 232 x2 O ET pr a men 1 1 1 1 m ed gt gt gt 4 RS449 X 21 V 35 EE RS449 X 21 V 35 6 703 G 703 C37 94 C37 94 Long Haul Long Haul RS 232 x2 i RS 232 x2 Figure 6 T1 E1 Drop and Insert Capability Architecture The GARD 8000 system can be equipped with up to eight functional modules in the 6U chassis and three in the 3U chassis Full featured teleprotection channel High speed current differential line protection charge comparison High speed pilot or stepped distance protection ON OFF and FSK Power Line Carrier Breaker module for dual breaker applications Metering and Telemetry Modules Remedial action schemes All modules independently provide
10. e provided for unique customer requirements For things such as breaker control or cut in cut out switches B pnas state ult e a DNG gt Nay ae Vi Ve S SS V o w i I E SEH f pole nog egu Ges me am K AAA ING E END a o QO ES Q D S o E gt D Q K one n N N Fa oO EN SA EA A 2 ENS D 51 gult ei N gil gn Reset O Figure 9 GARD 8000 Front Panel LEDs 6U RFL GARD 8000 2 4 6 8 10 12 141618 20 ma RE 00000000000 1357 91113151719 PWR 1 RX FUNC 1 2 TX FUNC 1 3 RX FUNC 2 4 TX FUNC 2 5 RX FUNC 3 6 TX FUNC 3 43 RX FUNC 7 14 TX FUNC 7 15 RX FUNC 8 16 TX FUNC 8 17 19 SYSTEM OK 20 COMMS ALARM Figure 10 GARD 8000 3U Front Panel Web Browser User Interface All interaction with the GARD 8000 System is made by the use of a standard web browser The web server reside in the device no special application software is required on the PC A PC is connected to the front TCP IP port with a standard RJ45 connector Alternatively the rear RS 232 port can be used but will not provide the same lightning fast response Web browser technology provides a much higher level of ease of use as compared to the conventional menu driven operation It is fast and simple to view device status access diagnostic and test functions and to change settings With the same operations as a standard web site navigation
11. e LAN and transporting them over any of its communica tion interfaces The communication interface can be of any type supported by GARD 8000 digital fiber audio tone and or PLC GARD 8000 Figure 17 GARD 8000 teleprotection between two IEC 61850 substations The GARD 8000 provides the link between two IEC 61850 substations over any communication media The sending GARD 8000 retrieves GOOSE messages from the substation LAN puts it on a communication link to a remote GARD 8000 that puts it on its substation LAN i GARD 8000 GARD 8000 Tes ee WA es LE Conventional Sub Figure 18 GARD 8000 Teleprotection between an IEC 61850 substation and a conventional substation RFL GARD 8000 Generally a new IEC 61850 substation needs to interact with a conventional substation at remote line ends In this case the GARD 8000 retrieves GOOSE messages for transfer trip or pilot relaying operations from the IEC 61850 substation LAN transports them over any communication link and the remote receiving GARD 8000 performs normal teleprotection operations such as tripping of breakers and pilot relaying signaling In addition in case pilot relaying and teleprotection need to be performed over an Ethernet network between two conventional substations a GARD 8000 at each line end can send GOOSE messages over the network for intertripping GARD 8000 GARD 8000 Bla n om AL EL D ILL FEE TIT conventional Sub Conven
12. eprotection and other Protection applications These communications channels can also be used with external devices that require a communications or pilot channel to operate This allows the GARD 8000 Teleprotection channel to also be used as a substation multiplexer that other protective relays can be interfaced with The GARD 8000 can be configured with 56 64kb channels with RS 449 G 703 V 35 X 21 and C37 94 fiber optic interfaces The unit can also be configured with a dual RS 232 communi cations channel for slow speed devices Figure 4 shows a RFL 9300 current differential relay and a relay with RS 232 port relay communicating over a GARD 8000 Teleprotection channel configured with two relaying communication interfaces 56 64 lg Bir P to 19 2 kbps RFL 9300 Relay Figure 4 GARD 8000 Used as Multiplexer The GARD 8000 System can pass the data from one channel on one communications interface directly to another channel on another communications interface The maximum through delay for this operation is less than 0 25 ms Data communication remains synchronous during the pass through process and can be used for current differential relay channels and teleprotection channels as well as other relaying channels S April 2013 System Specifications continued ke eeben Y q RS449 X 21 V 35 RS449 X 21 V 35 G 703 1 G 703 C37 94 C37 94 Long Haul Long Haul RS 232 x2 RS 232 x2 I ba am
13. full functionality and can be freely combined to suit your application April 2013 Figure 7 6U Rear View Distance configuration A Truly Modular System The GARD 8000 is a modular system and functional modules can be added at any time as needed This facilitates gradual refurbishment For instance the teleprotection channel device can be replaced with GARD 8000 using existing relays for pilot protection At some later time a protection module can be added to replace or complement the existing relays Or communications modules can be added as more external channels become available The functional modules are truly individual devices They all need access to the power supply and the HMI main processor modules but there is no direct communication between functional modules This makes it easy to change the functionality of the GARD 8000 as required without having to change the entire system Any of the functional modules can be removed at any time even without powering off the system without affecting the other functional modules A functional module can be located anywhere within a chassis with the exception of the 3 fixed slots required for the HMI main processor boards In this way a system can contain any combination of functions with selectable redundancy Inout and output boards are also freely selectable and an additional board is easily installed in the field if extra contacts are required The modular flexib
14. ility extends to the communications modules that may be selected to operate independently or redundantly Figure 8 3U Rear View Distance configuration 4 RFL GARD 8000 System Specifications continued User Interface Protection system reliability may be compromised by increased complexity of protection devices While these protection devices offer added flexibility they also increase the risk for errors Complicated settings configurations and interconnections all combine to having an undesirable effect on protection system security and dependability The GARD 8000 System is designed with ease of use in mind While high functionality and great detail is provided it is not necessary to make field configurations if not desired The web browser User Interface makes interaction with the device highly intuitive and handling greatly simplified Front Panel LEDs Two rows of ten multi colored LEDS provides basic event information The LED operation is fully configurable and labels can be changed to suit the application Custom configuration and labeling can be factory made by RFL without extra charge Any field modifications required are simply made by use of the browser interface Front Panel Display An optional touch screen display TSD is available for metering targets and settings The TSD provides a color screen that will automatically orientate itself for horizontal or verticle mounting User programmable buttons ar
15. is intuitive and eliminates the need to study written instructions If needed the instruction manual that also resides in the device is simply accessed by the HELP function For off line preparation of settings and configuration files a small application program emulating a GARD 8000 System can reside on the PC or local server Archiving and documentation of settings and configuration is made simple as these are stored in standard text files Customer Service Chas ommunications System Configuration Slot10 BK Top 0 1 E1 User Label User Label1 Une Interface T1 5 s J Configure TimeSlots Save Figure 11 Web Browser User Interface Figure 12 Ethernet Connector 5 April 2013 Modules Input and Output Modules The GARD 8000 System is configured with a selectable number of input and output modules on the rear part of the chassis Each communication interface comes with 1 input module with 6 opto isolated inputs or 1 output module with 6 outputs Additional solid state outputs relay outputs and inputs are mounted in sets of 6 with 2 sets on each board occupying 1 slot The following combinations are available for mounting in the up to 10 rear slots 6U or 4 rear slots 3U 1 communication interface 6 inputs 1 communication interface 6 outputs 6 inputs 6 inputs 6 inputs 6 relay outputs 6 inputs 6 solid state outputs 6 solid state outputs 6 solid state outputs 6
16. munication interfaces providing an unequaled safe guard against equipment failures HMI LO Ethernet Serial IRIG B RS485 Power Supply 1 0 Relays Teleprotection Comms PLC Power Supply Redundant Power Supply amp Other Modules Redundant Logic Processor Logic Processor HMI Processor Figure 2 Hardware Redundancy Economical Use of Your Communication Link With the exponential growth of data communications the use of a dedicated fiber for a single channel low speed data might no longer be justified The GARD 8000 system uses the communication channel efficiently and can provide up to 768 kbps on one link twelve 64 kbps channels The GARD 8000 System offers interfaces for dedicated fiber and direct connection to T1 E1 or SONET SDH muliplexers For applications where no digital channels are available the audio tone interfaces can be used for 2 wire or 4 wire FSK communications In addition GARD 8000 can be equipped with an integral Power Line 2 RFL GARD 8000 System Specifications continued The GARD 8000 System provides 24 channels each carrying 64 kbps data These channels can be assigned to any communications interface and operate redundantly or independently Functional Redundancy It has been shown that redundancy is increased by built in redundant modules operating in parallel A typical coven tional protection system would consist of a Main 1 pilot protection scheme and
17. nel interface Redundant hot standby operation with digital analog or digital digital channel interfaces Optional 16 point bi directional status amp teleprotection For applications where a high number of status points need to be transferred a 96 bit version of the Teleprote tion system module is available This version allows 96 functions to be transported in one 64 kbps channel slot Current Differential Protection Distance Protection The distance protection module in the GARD 8000 System has 4 measuring zones each configurable to forward or reverse operation The distance protection can operate as stepped distance with instantaneous operation from Zone 1 with Zone 2 and Zone 3 time delayed It can alternatively be applied in a pilot scheme selectable to permissive unblocking or blocking It may use the same communications channel interface as the current differential relay and or teleprotection system or a separate communications interface Features include 4 Zones all reversible Phase phase and phase ground mho Selectable quadrilateral characteristic POTT DCUB or DCB pilot schemes High set and inverse time overcurrent elements Breaker failure protection Reclosing and sync check Under and overvoltage elements Frequency elements Accurate Fault Locator Digital fault records directly in COMTRADE format Optional single pole trip logic The Distance Protection module in the GARD 8000 System can provide back
18. port When a central clock is not available the GARD 8000 can have its own built in GPS receiver This module is supplied with a small antenna to be mounted outside to receive the GPS signal When the GARD 8000 is equipped with the internal GPS receiver the IRIG B port can be used to supply IRIG B to other devices This enables not only the GARD 8000 System to keep accurate time tags but other protective devices also have access to a dc powered substation hardened time source that is independent from any centralized GPS system April 2013 6 Figure 13 GPS Antenna RFL GARD 8000 Protection Teleprotection System Based on the RFL 9745 teleprotection channel the GARD 8000 Teleprotection System carries relaying communications to the next level The Teleprotection System is emulating RFL 9745 s flexible customized programmable logic but provides a higher degree of ease of use Selection of pre programmed schemes for blocking unblocking permissive and transfer trip operations is simply done by a setting The GARD 8000 System is customized to provide the number of channels type and number of channel interfaces inputs and outputs and redundancy to meet your application needs Features include Pre configured permissive blocking unblocking and transfer trip scemes 8 to 32 commands per digital interface Operating time is 5 ms for digital channel and from 9 ms for analog channel 2 or 4 commands per analog chan
19. r ON OFF operation is selectable and the DSP based transmitter and receiver allows full frequency programmability in the range 30 to 500 kHz The setting options include Selectable FSK or ON OFF operation Transmit frequency 30 to 500 kHz Programmable receive bandwidth and frequency shift Adjustable logic timers Unblock blocking permissive transfer trip or phase comparison applications Ethernet Tripping Module IEC 61850 compliant The GARD 8000 System can be provided with an Ethernet Tripping Module IEC 61850 substation automation provides a LAN Local Area Network in the substation where trip messages are passed between the devices via GOOSE messages on a TCP IP network April 2013 Power Line Carrier features include Channel monitoring Built in check back function set for periodic check and or remotely activated Extensive Sequence of Event Reporting Local or remote interrogation Built in reflected power measurement To remote line end To EMS WAN Station Host Station d Host 1 A Backup s Station Level Bus RFL GARD 8000 Protection continued The GOOSE is routed to perform trip functions of circuit breakers but a shortcoming with the network is that there is no easy means to transfer a GOOSE message to a remote location if the Ethernet network does not encompass the two substations The GARD 8000 Ethernet tripping module solves this dilemma by retrieving GOOSE messages from th
20. solid state outputs 6 relay outputs 6 relay outputs 6 relay outputs 4 latching relay outputs 4 form C contacts All relay output contacts are Form A NO or Form B NC jumper selectable With the exception of the latching relays module which is form C only The GARD 8000 Power Supply is provided with Form C alarm contacts for power supply failure and system failure alarm GPS Module Optically Isolated Inputs Quantity 6 per module Inout Voltage Jumper Selectable 24 48 125 250 Vdc Operation Range 24 Volts 19 to 36 Vdc 48 Volts 37 to 68 Vdc 125 Volts 94 to 150 Vdc 250 Volts 189 to 300 Vdc Input Current 1 5 mA minimum Minimum Pulse Width 0 03 ms additional debounce time set in the logic Solid State Outputs Quantity 6 per module Output Current Maximum 1 A continuous 2 A for 1 minute or 10 A for 100 msec Open Circuit Voltage 300 Vdc maximum Pick up Time O msec Relay Output Quantity 6 per module Relay Pick up Time 4 msec Output Current Rating 6 continuous Surge 30 A for 200 msec Alarm Relays Quantity 2 Contacts SPDT Form C Output Current 100 mA 300 Vdc resistive load Terminal Connections Screw terminals for ring lugs with wire up to AWG 10 Accurate time stamping is essential for evaluation of protection system operations especially following a major system disturbance The substation may be equipped with a GPS central clock that can be connected to the GARD 8000 IRIG B
21. tional Sub High Capacity Status Transfer Module The GARD 8000 standard Teleprotection System supports up to eight high speed functions in one 64 kbps channel For telemetry applications there is often a need to transport a higher number of status points but transmission time is less critical than for teleprotection signaling To complement the teleprotection systems a high capacity status module is available This module supports up to 96 status bits over a 64 kbps channel End to end delay is 7 12 ms depending on the security count used The high capacity status transfer module can be added as an optional front mounted module or be supplied instead of the standard teleprotection system on the Base TPS Display board 9 April 2013 Examples of GARD 8000 System Configurations Current Differential Relay Module T1 E1 Interface Module C37 94 Primary Communications C37 94 Back up RS 232 ASYNC Module 56 64kb Multi Protocol Port Power Switches Back up Power Input Primary Power Input DNP MODBUS Input PLC Module for GPS Input DCB Application Distance Relay Module 57 TCPIP Port Input Output Modules IRIG B Input Figure 9 Rear View 6U GARD 8000 with Distance Module with Powerline Carrier Interface and Current Differential Relay with Primary and Back Up Communications Status Input Output Module PLC Module 56 64kb Multi Protocol Port IRIG B Port Primary and Backup TCPIP Port v
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