Siemens – 7SD87 – Differential Protection

Line differential protection Enclosure 1/6 19", 4 x I, 7 BI, 8 BQ (2 changeover contacts) 1 live contact Interface FOC for mono (24 km)/multimode fiber (4 km), LC duplex plug measuring inputs: Iph = 1 A / 5 A, Ie = 1 A / 5 A rated auxiliary power: 60 V/ 110 V / 125 V/ 220 V/ 250 V DC 115 V / 230 V AC Installation enclosure, screw terminals region world, IEC/ANSI language English (language can be changed) front membrane standard system interface port B (device bottom side, on front) PROFIBUS DP slave, electr. RS485 without further communication interface for Port A measurement: fault recording functionality line differential protection inrush-current detection overcurrent protection phase I>, I>>,I>>>, Ip overcurrent protection ground In>.In>>,In>>>, Inp thermal overload protection trip-circuit supervision circuit-breaker failure protection restart inhibit intertripping scheme external trip initiation parameter set switchover supervision functions circuit-breaker test circuit-breaker control flexible protection functions undervoltage/overvoltage V underfrequency/overfrequency F supplementary function: transmission of 16 binary signals (via protection interface)

LINE-DIFFERENTIAL PROT. RELAY HOUSING 1/6 19", 4 X I, 5 BI, 8 BO, (2 CHANGEOVER/FORM C) 1 LIVE STATUS CONTACT PROTECTION DATA INTERFACE 2 WIRES COPPER, TWISTED MEASURING INPUTS: IPH = 1A / 5A, IE = 1A / 5A RATED AUXILIARY VOLTAGE: DC 24, 48V FLUSH-MOUNTING CASE, SCREW-TYPE TERMINAL REGION WORLD, IEC/ANSI, LANGUAGE ENGLISH (LANGUAGE CHANGEABLE) STANDARD FRONT NO SYSTEM PORT INTERFACE, PORT A (ON BOTTOM OF DEVICE, REAR) REDUNDANT PROTECTION DATA INTERFACE FO FOR MONO- (24 KM) AND MULTIMODE CABLE (4 KM), LC-DUPLEX CONNECTOR METERING: FAULT RECORDING FUNCTIONALITY: LINE DIFF. PROT. (87L/87NL) INRUSH-CURRENT DETECTION TIME-OVERCURRENT PROTECT. PHASE (50 TD/51), I>, I>>,I>>>, IP TIME-OVERCURRENT GROUND (50N TD/51N) IN>.IN>>,IN>>>,INP THERMAL OVERLOAD PROTECT. (49) TRIP CIRCUIT SUPERVISION (74TC) CIRCUIT BREAK. FAIL.PROT.(50BF) LOCK OUT (86) INTER TRIP FUNCTION (85 DT) EXTERNAL TRIP INITIATION PARAMETER CHANGEOVER SUPERVISION FUNCTION CIRCUIT BREAKER TEST CONTROL OF CIRCUIT BREAKER FLEXIBLE PROTECTION FUNCTION: UNDER-/OVERVOLTAGE PROT.(27/59) UNDER-/OVERFREQ. PROT. (81U/O) ADDITIONAL FUNCTION: TRANSMISSION OF 16 BINARY SIGNALS VIA THE PROTECTION DATA INTERFACE

Line differential protection Enclosure 1/6 19", 4 x I, 3 x U 5 BI, 8 BQ (2 changeover contacts) 1 live contact Interface copper (2-wire connection, twisted) Measuring inputs: Iph = 1 A / 5 A, Ie = 1 A / 5 A Rated auxiliary power: 60 V/ 110 V / 125 V/ 220 V/ 250 V DC 115 V / 230 V AC Installation enclosure, screw terminals Region world, IEC/ANSI English (language can be changed) Front membrane standard System interface port B (device underside, front) IEC60870-5-103 or DIGSI4/modem or time synchronization, electrical RS 485 Without further communication interface for Port A Measurement: fault recording Functionality Line differential protection Inrush current detection Time-overcurrent protection phase I>, I>>,I>>>, Ip Time-overcurrent protection ground In>.In>>,In>>>, Inp Thermal overload protection Trip circuit monitoring Circuit breaker failure protection Closing lockout Circuit breaker intertrip External trip initiation Parameter set switchover Monitoring functions Circuit breaker test Control of circuit breaker Flexible protection functions Undervoltage/overvoltage V Underfrequency/overfrequency F Without additional functions

Line differential protection Enclosure 1/6 19", 4 x I, 7 BI, 8 BQ (2 changeover contacts) 1 live contact Interface FOC for mono (24 km)/multimode fiber (4 km), LC duplex plug measuring inputs: Iph = 1 A / 5 A, Ie = 1 A / 5 A rated auxiliary power: 60 V/ 110 V / 125 V/ 220 V/ 250 V DC 115 V / 230 V AC Installation enclosure, screw terminals region world, IEC/ANSI language English (language can be changed) front membrane standard system interface port B (device bottom side, on front) IEC 61850, 100 Mbit Ethernet, with integrated switch optical, double, LC duplex plug without further communication interface for Port A measurement: fault recording functionality line differential protection inrush-current detection overcurrent protection phase I>, I>>,I>>>, Ip overcurrent protection ground In>.In>>,In>>>, Inp thermal overload protection trip-circuit supervision circuit-breaker failure protection restart inhibit intertripping scheme external trip initiation parameter set switchover supervision functions circuit-breaker test circuit-breaker control flexible protection functions undervoltage/overvoltage V underfrequency/overfrequency F without supplementary functions.

Line differential protection Enclosure 1/6 19", 4 x I, 3 BI, 5 BQ (2 changeover contacts) 1 live contact Interface FOC for mono (24 km)/multimode fiber (4 km), LC duplex plug Measuring inputs: Iph = 1 A / 5 A, Ie = 1 A / 5 A Rated auxiliary power: 60 V/ 110 V / 125 V/ 220 V/ 250 V DC 115 V / 230 V AC Installation enclosure, screw terminals Region world, IEC/ANSI English (language can be changed) Front membrane standard System interface port B (device underside, front) IEC 61850, 100 Mbit Ethernet, with integrated switch optical, double, LC duplex plug without further communication interface for Port A Measurement: fault recording Functionality Line differential protection Inrush current detection Time-overcurrent protection phase I>, I>>,I>>>, Ip Time-overcurrent protection ground In>.In>>,In>>>, Inp Thermal overload protection Trip circuit monitoring Circuit breaker failure protection Closing lockout Circuit breaker intertrip External trip initiation Parameter set switchover Monitoring functions Circuit breaker test Control of circuit breaker Flexible protection functions Undervoltage/overvoltage V Underfrequency/overfrequency F Additional function: Transmission of 16 binary signals (via interface)

Line differential protection Enclosure 1/6 19", 4 x I, 3 BI, 5 BQ (2 changeover contacts) 1 live contact Interface FOC for mono (24 km)/multimode fiber (4 km), LC duplex plug Measuring inputs: Iph = 1 A / 5 A, Ie = 1 A / 5 A Rated auxiliary power: 60 V/ 110 V / 125 V/ 220 V/ 250 V DC 115 V / 230 V AC Installation enclosure, screw terminals Region world, IEC/ANSI English (language can be changed) Front membrane standard System interface port B (device underside, front) IEC 61850, 100 Mbit Ethernet, with integrated switch optical, double, LC duplex plug without further communication interface for Port A Measurement: Fault recording Mean value formation, min./max. values Functionality Line differential protection Inrush current detection Time-overcurrent protection phase I>, I>>,I>>>, Ip Time-overcurrent protection ground In>.In>>,In>>>, Inp Thermal overload protection Trip circuit monitoring Circuit breaker failure protection Closing lockout Circuit breaker intertrip External trip initiation Parameter set switchover Monitoring functions Circuit breaker test Control of circuit breaker Flexible protection functions Undervoltage/overvoltage V Underfrequency/overfrequency F Without additional functions

Line differential protection Enclosure 1/6 19", 4 x I, 3 x U 5 BI, 8 BQ (2 changeover contacts) 1 live contact Interface copper (2-wire connection, twisted) measuring inputs: Iph = 1 A / 5 A, Ie = 1 A / 5 A rated auxiliary power: 60 V/ 110 V / 125 V/ 220 V/ 250 V DC 115 V / 230 V AC Installation enclosure, screw terminals region world, IEC/ANSI language English (language can be changed) front membrane standard system interface port B (device bottom side, on front) IEC 61850, 100 Mbit Ethernet, electr., double, RJ45 plug interface, port A (device bottom side, rear) redundant interface FOC for mono (24 km)/ multimode fiber (4 km), LC duplex plug measurement: fault recording functionality basic version + direct. overcurrent protection phase (I>, I>>,Ip>) and directional ground fault prot. (In>, In>>,Inp>) without supplementary functions.

Line differential protection Enclosure 1/6 19", 4 x I, 3 x U 5 BI, 8 BQ (2 changeover contacts) 1 live contact Interface copper (2-wire connection, twisted) Measuring inputs: Iph = 1 A / 5 A, Ie = 1 A / 5 A Rated auxiliary power: 60 V/ 110 V / 125 V/ 220 V/ 250 V DC 115 V / 230 V AC Surface mounting enclosure screw terminals Region world, IEC/ANSI English (language can be changed) Front membrane standard System interface port B (device underside, front) IEC60870-5-103 or DIGSI4/modem or time synchronization, electrical RS 485 Without further communication interface for Port A Measurement: fault recording Functionality Line differential protection Inrush current detection Time-overcurrent protection phase I>, I>>,I>>>, Ip Time-overcurrent protection ground In>.In>>,In>>>, Inp Thermal overload protection Trip circuit monitoring Circuit breaker failure protection Closing lockout Circuit breaker intertrip External trip initiation Parameter set switchover Monitoring functions Circuit breaker test Control of circuit breaker Flexible protection functions Undervoltage/overvoltage V Underfrequency/overfrequency F Without additional functions

LINE-DIFFERENTIAL PROT. RELAY FOR TWO LINE TERMINALS CURRENT TRANSFORMER: IPH = 5A, IE = 5A AUXILIARY VOLTAGE: 110V-250V DC 115V TO 230V AC, BINARY INPUT THRESHOLD 88V, FLUSH-MOUNTING CASE WITH PLUG-IN TERMINALS, 1/3 X 19", 7 BINARY INPUTS, 5 BINARY OUTPUTS, 1 LIVE-STATUS CONTACT REGION WORLD, LANGUAGE ENGLISH (LANGUAGE SELECTABLE) IEC 61850,100 MBIT ETHERNET ELECTRICAL,DOUBLE, RJ45-PLUG INTERFACE ON REAR SIDE DIGSI 4, ELECTRIC RS232 PROTECTION INTERFACE 1: OPTICAL 820NM, 2 ST-CONNECTORS FO-LENGHT UP TO 1,5KM; FO5 FOR DIRECT CONNECTION OR VIA COMMUNICATION NETWORKS FUNCTION 1: TRIPPING 1- AND 3-POLE, WITHOUT AUTO-RECLOSURE WITH EMERGENCY/BACKUP OVERCURRENT-TIME PROTECTION WITH 4 REMOTE COMMANDS/SIGNALS, WITH 24 REMOTE INDICATIONS, WITHOUT TRANSFORMER EXTENSIONS WITH EXTERNAL GPS-SYCHRONIZAT. OF DIFFERENTIAL PROTECTION

LINE-DIFFERENTIAL PROT. RELAY FOR TWO LINE TERMINALS CURRENT TRANSFORMER: IPH = 5A, IE = 5A AUXILIARY VOLTAGE: 110V-250V DC 115V TO 230V AC, BINARY INPUT THRESHOLD 88V, FLUSH-MOUNTING CASE WITH SCREW TERMINALS, 1/3 X 19", 7 BINARY INPUTS, 5 BINARY OUTPUTS, 1 LIVE-STATUS CONTACT REGION WORLD, LANGUAGE ENGLISH (LANGUAGE SELECTABLE) WITHOUT SYSTEM INTERFACE INTERFACE ON REAR SIDE DIGSI 4, ELECTRIC RS232 PROTECTION INTERFACE 1: OPTICAL 820NM, 2 ST-CONNECTORS FO-LENGHT UP TO 1,5KM; FO5 FOR DIRECT CONNECTION OR VIA COMMUNICATION NETWORKS FUNCTION 1: TRIPPING 3-POLE ONLY, WITHOUT AUTO-RECLOSURE WITH EMERGENCY/BACKUP OVERCURRENT-TIME PROTECTION WITHOUT REMOTE COMMANDS/SIGNALS WITHOUT TRANSFORMER EXTENSIONS W/O EXTERNAL GPS-SYNCHRONIZAT. OF DIFFERENTIAL PROTECTION

Line differential protection Enclosure 1/6 19", 4 x I, 3 BI, 5 BQ (2 changeover contacts) 1 live contact Interface FOC for mono (24 km)/multimode fiber (4 km), LC duplex plug measuring inputs: Iph = 1 A / 5 A, Ie = 1 A / 5 A rated auxiliary power: 60 V/ 110 V / 125 V/ 220 V/ 250 V DC 115 V / 230 V AC Installation enclosure, screw terminals region world, IEC/ANSI language English (language can be changed) front membrane standard system interface port B (device bottom side, on front) IEC 61850, 100 Mbit Ethernet, electr., double, RJ45 plug without further communication interface for Port A measurement: fault recording functionality line differential protection inrush-current detection overcurrent protection phase I>, I>>,I>>>, Ip overcurrent protection ground In>.In>>,In>>>, Inp thermal overload protection trip-circuit supervision circuit-breaker failure protection restart inhibit intertripping scheme external trip initiation parameter set switchover supervision functions circuit-breaker test circuit-breaker control flexible protection functions undervoltage/overvoltage V underfrequency/overfrequency F without supplementary functions.

LINE-DIFFERENTIAL PROT. RELAY FOR TWO LINE TERMINALS CURRENT TRANSFORMER: IPH = 5A, IE = 5A AUXILIARY VOLTAGE: 110V-250V DC 115V TO 230V AC, BINARY INPUT THRESHOLD 88V, FLUSH-MOUNTING CASE WITH SCREW TERMINALS, 1/3 X 19", 7 BINARY INPUTS, 5 BINARY OUTPUTS, 1 LIVE-STATUS CONTACT REGION WORLD, LANGUAGE ENGLISH (LANGUAGE SELECTABLE) IEC PROTOCOL, ELECTRIC RS485 INTERFACE ON REAR SIDE DIGSI 4, ELECTRIC RS485 PROTECTION INTERFACE 1: OPTICAL 820NM, 2 ST-CONNECTORS FO-LENGHT UP TO 3,5KM; FOR DIRECT CONNECTION VIA MULTIMODE FIBER FUNCTION 1: TRIPPING 3-POLE ONLY, WITHOUT AUTO-RECLOSURE WITH DIRECTIONAL EMERGENCY/BACKUP OVERCURRENT-TIME PROTECTION WITH 4 REMOTE COMMANDS/SIGNALS, WITH 24 REMOTE INDICATIONS WITHOUT TRANSFORMER EXTENSIONS WITH VOLTAGE-/FREQUENCY PROTEC. W/O EXTERNAL GPS-SYNCHRONIZAT. OF DIFFERENTIAL PROTECTION