Siemens 7SD502 Instruction Manual Download

Page: 145 / 178

-AINTENANCE AND FAULT TRACING

# ' #

2EPLACING THE MINIFUSE

3ELECT A REPLACEMENT FUSE

}

MM %NSURE

THAT THE RATED VALUE TIME LAG MEDIUM SLOW AND

CODE LETTERS ARE CORRECT &IGURE

0REPARE AREA OF WORK PROVIDE CONDUCTIVE SURFACE

FOR THE BASIC MODULE

/PEN HOUSING COVER

(AZARDOUS VOLTAGES CAN BE PRESENT IN

THE DEVICE EVEN AFTER DISCONNECTION OF

THE SUPPLY VOLTAGE OR AFTER REMOVAL OF THE

MODULES FROM THE HOUSING STORAGE CA

PACITORS

7ARNING

,OOSEN THE MODULE USING THE PULLING AIDS PRO

VIDED AT THE TOP AND BOTTOM &IGURE

%LECTROSTATIC DISCHARGES VIA THE COMPO

NENT CONNECTIONS THE 0#" TRACKS OR THE

CONNECTING PINS OF THE MODULES MUST BE

AVOIDED UNDER ALL CIRCUMSTANCES BY PRE

VIOUSLY TOUCHING AN EARTHED METAL SUR

FACE

#AUTION

0ULL OUT THE MODULE AND PLACE ONTO THE CONDUCTIVE

SURFACE

2EMOVE BLOWN FUSE FROM THE HOLDER &IGURE

&IT NEW FUSE INTO THE HOLDER &IGURE

)NSERT DRAWOUT MODULE INTO THE HOUSING ENSURE

THAT THE RELEASING LEVER IS PUSHED FULLY TO THE RIGHT

BEFORE THE MODULE IS PRESSED IN &IGURE

&IRMLY PUSH IN THE MODULE USING THE RELEASING LE

VER &IGURE

#LOSE HOUSING COVER

3WITCH ON THE DEVICE AGAIN )F A POWER SUPPLY FAILURE

IS STILL SIGNALLED A FAULT OR SHORTCIRCUIT IS PRESENT IN

THE INTERNAL POWER SUPPLY 4HE DEVICE SHOULD BE RE

TURNED TO THE FACTORY SEE #HAPTER

2EAR VIEW ON THE REMOVED

BASIC MODULE

-INIFUSE OF THE POWER SUPPLY

MEDIUM SLOW -

RATED

VALUE

AT 5

&IGURE

-INIFUSE OF THE POWER SUPPLY

Summary of Contents for 7SD502

Page 1: ... NSTRUCTION ANUAL UMERICAL INE IFFERENTIAL 0ROTECTION WITH 0ILOT 7IRES 3 6 RDER O IGURE LLUSTRATION OF THE NUMERICAL LINE DIFFERENTIAL PROTECTION RELAY 3 IN FLUSH MOUNTING CASE D 3IEMENS ...

Page 2: ...ON WITHIN SPECIFIED VOLTAGE LIMITS OW VOLTAGE DIRECTIVE ONFORMITY IS PROVED BY TESTS THAT HAD BEEN PERFORMED ACCORDING TO ARTICLE OF THE OUNCIL IRECTIVE IN ACCOR DANCE WITH THE GENERIC STANDARDS AND FOR DIRECTIVE AND THE STANDARDS FOR LOW VOLTAGE DIRECTIVE BY 3IEMENS 4HE DEVICE IS DESIGNED AND MANUFACTURED FOR APPLICATION IN INDUSTRIAL ENVIRONMENT 4HE DEVICE IS DESIGNED IN ACCORDANCE WITH THE INTE...

Page 3: ...ERLOAD PROTECTION NCILLARY FUNCTIONS ETHOD OF OPERATION PERATION OF COMPLETE UNIT URRENT TRANSFORMER CONNECTIONS AND FAULT CURRENT SENSITIVITY 3TANDARD CONNECTION ONNECTION FOR DECREASED EARTH CURRENT SENSITIVITY ONNECTION FOR INCREASED EARTH CURRENT SENSITIVITY 5NEQUAL C T RATED CURRENTS 4WO PHASE CONNECTION ULTI SYSTEM PROTECTION INE DIFFERENTIAL PROTECTION 0RINCIPLE OF MEASUREMENT 3TABILIZED DI...

Page 4: ...IONS OUNTING AND CONNECTIONS ODEL 3 J J JJJ FOR PANEL SURFACE MOUNTING ODEL 3 J J JJJ FOR PANEL FLUSH MOUNTING OR 3 J J JJJ FOR CUBICLE INSTALLATION HECKING THE RATED DATA ONTROL D C VOLTAGE OF BINARY INPUTS HECKING THE TRANSMISSION LINK TO 3 ONNECTIONS 3TANDARD CONNECTIONS ONNECTION FOR DECREASED EARTH CURRENT SENSITIVITY ONNECTION FOR INCREASED EARTH CURRENT SENSITIVITY 5NEQUAL PRIMARY C T RATED...

Page 5: ...PTION OF A REMOTE TRIP SIGNAL ADDRESS BLOCK 3ETTINGS FOR BACK UP OVERCURRENT TIME PROTECTION ADDRESS BLOCK 3ETTINGS FOR THERMAL OVERLOAD PROTECTION ADDRESS BLOCK 3ETTINGS FOR MEASURED VALUE MONITORING ADDRESS BLOCK NNUNCIATIONS NTRODUCTION PERATIONAL ANNUNCIATIONS ADDRESS BLOCK AULT ANNUNCIATIONS ADDRESS BLOCK TO IRCUIT BREAKER OPERATION STATISTICS ADDRESS BLOCK 2EAD OUT OF OPERATIONAL MEASURED VA...

Page 6: ...AULT TRACING 2EPLACING THE MINI FUSE 2EPAIRS 3TORAGE PPENDIX ENERAL DIAGRAMS ONNECTION DIAGRAMS 4ABLES 4 4HIS INSTRUCTION MANUAL DOES NOT PURPORT TO COVER ALL DETAILS IN EQUIPMENT NOR TO PROVIDE FOR EVERY POSSI BLE CONTINGENCY TO BE MET IN CONNECTION WITH INSTAL LATION OPERATION OR MAINTENANCE 3HOULD FURTHER INFORMATION BE DESIRED OR SHOULD PAR TICULAR PROBLEMS ARISE WHICH ARE NOT COVERED SUFFI CI...

Page 7: ...OTECTION SYS TEM MAY BE BLOCKED SELECTABLE AND AN ALARM IS IS SUED 3INCE THE COMPARISON PROTECTION DOES NOT DISCON NECT FAULTS OUTSIDE THE PROTECTED ZONE AN ADDITIONAL TIME GRADED PROTECTION MUST BE INSTALLED AT AT LEAST ONE END OF THE LINE TO SERVE AS SUPERIMPOSED BACK UP PROTECTION OR THIS PURPOSE THE INCORPORATED OVERCURRENT TIME PROTECTION MAY BE USED WHICH CAN OPERATE OPTIONALLY AS DEFINITE T...

Page 8: ...ATE CURRENT TRANSFORMER REQUIREMENTS OMPREHENSIVE SUPPLEMENTARY FUNCTIONS REFER TO 3ECTION ONTINUOUS CALCULATION OF OPERATIONAL MEASURED VALUES AND INDICATION ON THE FRONT DISPLAY 3IMPLE SETTING AND OPERATION USING THE INTEGRATED OPERATION PANEL OR A CONNECTED PERSONAL COMPUT ER WITH MENU GUIDED SOFTWARE 3TORAGE OF FAULT DATA STORAGE OF INSTANTANEOUS VALUES DURING A FAULT FOR FAULT RECORDING ATA E...

Page 9: ...TION PROVIDES THERMAL REPLICA OF THE CURRENT HEAT LOSSES TRUE R M S MEASUREMENT OF SYMMETRICAL CURRENTS ADJUSTABLE WARNING STAGES 4HE STANDARD FUNCTIONS ALSO INCLUDE CONTINUOUS SELF MONITORING RIGHT FROM THE CIR CUITS THROUGH THE CURRENT INPUTS TO THE TRIPPING RE LAYS THUS ACHIEVING MAXIMUM AVAILABILITY AND A MORE CORRECTIVE THAN PREVENTIVE MAINTENANCE STRATEGY MEASUREMENT AND TEST ROUTINES UNDER ...

Page 10: ...NG IS 0 FOR THE TERMINALS 0 OR DIMENSIONS PLEASE RE FER TO IGURE 3 J J JJJ IN HOUSING 80 FOR PANEL FLUSH MOUNTING OR 3 J J JJJ FOR CUBICLE INSTALLATION 4HE HOUSING HAS FULL SHEET METAL COVERS AS WELL AS A REMOVABLE FRONT COVER WITH TRANSPARENT PLASTIC WINDOW FOR PANEL MOUNTING UIDE RAILS ARE BUILT IN FOR THE SUPPORT OF PLUG IN MODULES N THE TOP AND BOTTOM PLATES OF THE HOUSING CONTACT AREAS WHICH ...

Page 11: ... ESIGN 3 6 HORIZONTAL POSITION VERTICAL POSITION CONSECUTIVE CONNECTION NUMBER EAVY CURRENT CONNECTOR E G 6OLTAGE CONNECTOR E G IGURE ONNECTION PLUGS REAR VIEW HOUSING FOR FLUSH MOUNTING EXAMPLE ...

Page 12: ...FOR PANEL SURFACE MOUNTING 80 NTERFACE FOR OPTICAL FIBRE BELOW 2ESET AND PAG ING BUTTONS AX TERMINALS FOR CROSS SECTION MAX MM PTICAL FIBRE CONNECTORS INTEGRATED 3 CONNECTOR WITH CERAMIC POST E G FOR GLASS FIBRE UM ARTHING TERMINAL IMENSIONS IN MM IGURE IMENSIONS FOR HOUSING 80 FOR PANEL SURFACE MOUNTING ...

Page 13: ...VY CURRENT CONNECTORS 3CREWED TERMINAL FOR MAX MM 4WIN SPRING CRIMP CONNECTOR IN PARALLEL FOR MAX MM URTHER CONNECTORS 3CREWED TERMINAL FOR MAX MM 4WIN SPRING CRIMP CONNECTOR IN PARALLEL FOR MAX MM PTICAL FIBRE CONNECTORS INTEGRATED 3 CONNECTOR WITH CERAMIC POST E G FOR GLASS FIBRE mM IGURE IMENSIONS FOR HOUSING 80 FOR PANEL FLUSH MOUNTING OR CUBICLE INSTALLATION ...

Page 14: ...CE MOUNTING IN HOUSING 80 FOR PANEL FLUSH MOUNTING IN HOUSING 80 FOR CUBICLE INSTALLATION WITHOUT GLASS FRONT 3ERIAL INTERFACE FOR COUPLING TO A CONTROL CENTRE WITHOUT SERIAL INTERFACE WITH SERIAL INTERFACE FOR OPTICAL FIBRE CONNECTION 0ILOT WIRE SUPERVISION TELEPROTECTION INPUTS OUTPUTS WITH PILOT WIRE SUPERVISION INTERTRIPPING AND REMOTE TRIP BINARY INPUTS SIGNAL RELAYS TRIP RELAYS 1 ...

Page 15: ...X 6 IN PHASE VERLOAD CAPABILITY IN CURRENT PATH FOR EACH INPUT WINDING AS WELL AS FOR THE OUTPUT SUMMATION CURRENT THERMAL RMS FOR S FOR S CONTINUOUS DYNAMIC PULSE CURRENT ONE HALF CYCLE UXILIARY VOLTAGE 0OWER SUPPLY VIA INTEGRATED DC DC CONVERTER 2ATED AUXILIARY VOLTAGE 5 6DC 6DC 6DC TO 6DC TO 6DC TO 6DC 0ERMISSIBLE VARIATIONS 3UPERIMPOSED AC VOLTAGE AT RATED VOLTAGE PEAK TO PEAK AT LIMITS OF ADM...

Page 16: ...AT THE FRONT POLE SUBMINIATURE CONNECTOR ACC 3 FOR CONNECTION OF A PERSONAL COMPUTER 4RANSMISSION SPEED AS DELIVERED AUD MIN AUD MAX AUD LOATING INTERFACE FOR DATA TRANSFER TO A CONTROL CENTRE OPTIONAL VIA OPTICAL FIBRE 3TANDARDS 0ROTOCOL ACC AND 6 7 6 OR ACC SELECTABLE 4RANSMISSION SPEED AS DELIVERED AUD MIN AUD MAX AUD 4RANSMISSION SECURITY AMMING DISTANCE D ONNECTION OPTICAL FIBRE INTEGRATED 3 ...

Page 17: ...H POLARITIES P 2I AND CLASS 2ADIO FREQUENCY ELECTROMAGNETIC FIELD 6 M Z TO Z NON MODULATED REPORT CLASS 2ADIO FREQUENCY ELECTROMAGNETIC FIELD 6 M Z TO Z K Z AMPLITUDE MODULATED CLASS 2ADIO FREQUENCY ELECTROMAGNETIC FIELD PULSE 6 M Z REPETITION FREQUENCY Z MODULATED 6 CLASS DUTY CYCLE AST TRANSIENTS AND CLASS K6 NS K Z BURST LENGTH MS REPETITION RATE MS BOTH POLARITIES 2I DURATION MIN ONDUCTED DIST...

Page 18: ...ATION HOR AXIS Z TO Z G ACCELERATION VERT AXIS SWEEP RATE OCTAVE MIN CYCLE IN ORTHOGONAL AXES 6IBRATION AND SHOCK DURING TRANSPORT 3TANDARDS AND 6IBRATION SINUSOIDAL CLASS Z TO Z MM AMPLITUDE Z TO Z G ACCELERATION SWEEP RATE OCTAVE MIN CYCLES IN ORTHOGONAL AXES 3HOCK HALF SINE CLASS ACCELERATION G DURATION MS SHOCKS IN EACH DIRECTION OF ORTHOGONAL AXES ONTINUOUS SHOCK HALF SINE CLASS ACCELERATION ...

Page 19: ...EXTERNAL CONNECTION LEADS IN SUBSTATIONS FROM K6 UPWARDS SHOULD BE SCREENED WITH A SCREEN CAPABLE OF CARRYING POWER CURRENTS AND EARTHED AT BOTH SIDES O SPECIAL MEASURES ARE NORMALLY NECESSARY FOR SUBSTATIONS OF LOWER VOLT AGES T IS NOT PERMISSIBLE TO WITHDRAW OR INSERT INDIVIDU AL MODULES UNDER VOLTAGE N THE WITHDRAWN CONDI TION SOME COMPONENTS ARE ELECTROSTATICALLY EN DANGERED DURING HANDLING TH...

Page 20: ... S STEPS S 4OLERANCES WITH PRESET PARAMETERS UNDER REFERENCE CONDITIONS LOCAL PICK UP LIMIT OF THEORETICAL VALUE BUT MIN DIFFERENTIAL CURRENT OF THEORETICAL VALUE BUT MIN NFLUENCE VARIABLES PILOT WIRE RESISTANCE APPROX PER LOOP RESISTANCE AUXILIARY VOLTAGE IN RANGE 5 5 TEMPERATURE IN RANGE AMB FREQUENCY IN RANGE F F 0ILOT WIRES QUANTITY PREFERABLY SYMMETRICAL TELEPHONE PAIRS WITH KM LOOP RESISTANC...

Page 21: ...CTION APPROX MS INTERTRIP SIGNAL PROLONGATION S TO S STEPS S 4RIP AREA LOCK AREA DD ON STABILIZATION DIFF LINE STAB LINE FIX DIFF STAB LOCAL LINE END CURRENT IN DIRECTION OF THE LINE REMOTE LINE END CURRENT IN DIRECTION OF THE LINE LOCAL CURRENT THRESHOLD LINE NOMINAL CURRENT OF THE LINE IGURE 3TABILIZATION CHARACTERISTIC OF LINE DIFFERENTIAL PROTECTION ILLUSTRATED WITH PRE SET PICK UP VALUES ...

Page 22: ...RENT IN DIRECTION OF THE LINE REMOTE LINE END CURRENT IN DIRECTION OF THE LINE LINE NOMINAL CURRENT OF THE LINE IGURE PERATING CHARACTERISTIC DEPENDENCY OF THE LINE CURRENTS AT BOTH ENDS ILLUSTRATED WITH PRE SET PICK UP VALUES SCALE FOR SYMMETRICAL CURRENTS AND STANDARD C T CONNECTION ACCORDING TO IGURE ...

Page 23: ...ERANCES OR MS PERATING TIMES 0ICK UP TIME APPROX MS ROP OFF TIME APPROX MS 4RANSFER TRIP VIA BINARY INPUT 3ETTING RAGES STEPS 3END DELAY BEFORE TRANSMISSION S TO S STEPS S 3END PROLONGATION TIME S TO S STEPS S 2ECEPTION DELAY TIME S TO S STEPS S 2ECEPTION PROLONGATION TIME S TO S STEPS S 4OLERANCES OR MS PERATING TIMES 0ICK UP TIME APPROX MS ROP OFF TIME APPROX MS ...

Page 24: ... TO STEPS OR 0 STAGE INEFFECTIVE PICK UP THRESHOLD APPROX TIMES P LL CURRENT VALUES ARE BASED ON SYMMETRICAL CURRENT AND STANDARD C T CONNECTION ACCORDING TO IGURE EASURING TIMES AT TIMES SETTING VALUE APPROX MS P REFER TO IGURE ROP OFF TIMES APPROX MS ROP OFF RATIOS APPROX VERSHOT TIME APPROX MS 4OLERANCES DEFINITE TIME STAGES OF SET VALUE DEFINITE TIME DELAYS OF SET VALUE OR MS FOR INVERSE TIME ...

Page 25: ...T TIME DELAY FAULT CURRENT P SET PICK UP VALUE XTREMELY INVERSE 6ERY INVERSE P P P T S T S T S 4P S 4P S 4P S LL CURRENT VALUES ARE BASED ON SYMMETRICAL CURRENT AND STANDARD C T CONNECTION AC CORDING TO IGURE IGURE 4RIPPING TIME CHARACTERISTICS OF INVERSE TIME OVERCURRENT PROTECTION ...

Page 26: ...HARACTERISTIC T Ç LN K PRE K K T TRIP TIME Ç TIME CONSTANT LOAD CURRENT PRE PRELOAD CURRENT K FACTOR ACCORDING TO REFER ALSO TO IGURES AND ROP OFF RATIOS TRIP APPROX WARN APPROX WARN APPROX LL CURRENT VALUES ARE BASED ON SYMMETRICAL CURRENT AND STANDARD C T CONNECTION ACCORDING TO IGURE 4OLERANCES REFERRING TO Kw REFERRING TO TRIP TIME q q q S NFLUENCE VARIABLES REFERRED TO Kw UXILIARY DC VOLTAGE ...

Page 27: ...N T MIN K TG K TG 0ARAMETER SETTING VALUE TIME CONATANT Ç MIN LL CURRENT VALUES ARE BASED ON SYMMETRICAL CURRENT AND STANDARD C T CONNECTION ACCORDING TO IGURE T MIN IGURE 4RIP TIME CHARACTERISTIC OF OVERLOAD PROTECTION WITHOUT PRELOAD IGURE 4RIP TIME CHARACTERISTIC OF OVERLOAD PROTECTION WITH PRELOAD ...

Page 28: ...FERRED TO TRIP EASURED VALUES PLAUSIBILITY CHECKS 3UM OF CURRENTS IN THE NODE POINT OF MEASURED CURRENT INPUTS NNUNCIATIONS VIA BINARY INPUT USER DEFINABLE ANNUNCIATIONS AULT EVENT DATA STORAGE 3TORAGE OF ANNUNCIATIONS OF THE LAST FOUR FAULT EVENTS THREE OF WHICH CAN BE READ OUT IN THE DISPLAY 2EAL TIME CLOCK 2ESOLUTION FOR OPERATIONAL ANNUNCIATIONS MIN 2ESOLUTION FOR FAULT EVENT ANNUNCIATIONS MS ...

Page 29: ...PHASE MIXED CURRENT FROM THE INPUT CURRENTS OF THE THREE PHASES TS WINDINGS RATIO ENSURES THAT WITH ANY KIND OF FAULT THE SECONDARY MIXED CURRENT WILL HAVE A DEFINED PROPORTION TO THE FAULT CURRENT 4HIS CURRENT IS USED FOR ALL PROTECTION FUNCTIONS ONTROL CENTRE OPTIONAL 3 4 2ESET 7 2 0 9 SIGNAL OUT PUTS CAN BE MARSHALLED CAN BE MARSHALLED OR X TRIP RELAYS CAN BE MARSHALLED 0ERSONAL COMPUTER PERATO...

Page 30: ... OUTPUTS TO AND FROM THE PROCESSOR ARE CHANNELLED VIA THE INPUT OUTPUT ELEMENTS ROM THESE THE PROCESSOR RECEIVES INFORMATION FROM THE SWITCH GEAR E G REMOTE RESETTING OR FROM OTHER EQUIPMENT E G BLOCKING SIGNALS UTPUTS INCLUDE IN PARTICULAR TRIP COMMANDS TO THE CIRCUIT BREAKERS SIGNALS FOR REMOTE SIGNALLING OF IMPORTANT EVENTS AND CONDITIONS AS WELL AS VISUAL INDICATORS S AND AN ALPHANUMERICAL DIS...

Page 31: ... OPPOSITE LINE ENDS OF A DIFFEREN TIAL PROTECTION SCHEME 3TANDARD CONNECTION 4HE SCHEME SHOWN IN IGURE IS THE MOST COM MON 4HE INPUT WINDINGS OF THE SUMMATION TRANS FORMER ARE CONNECTED TO THE C T CURRENTS AND RESIDUAL CURRENT 4HIS CONNECTION IS SUITABLE FOR ALL KINDS OF SYSTEMS REGARDLESS OF THE TREATMENT OF THE SYSTEM NEUTRAL T IS CHARACTERIZED BY A HIGH SEN SITIVITY FOR EARTH FAULTS 4 3 I IGURE...

Page 32: ...O TRIP THE LINE WHEN A SINGLE EARTH FAULT OCCURS F A DOUBLE EARTH FAULT OC CURS CLEARANCE OF ONLY ONE OF THE TWO FAULT CONDI TIONS IS OFTEN DESIRED 4HE DELIBERATELY DIFFERENT CONTRIBUTIONS OF THE THREE PHASE CURRENTS DUE TO THE SUMMATION TRANSFORMER PRIMARY RATIOS EFFECT A PHASE PREFERENTIAL CLEARANCE SEQUENCE WHICH IS DETERMINED BY THE WAY IN WHICH THE C T S ARE CONNECTED 4HE LINE SECTION WHICH H...

Page 33: ...THE VALUES GIVEN IN 4ABLE CAN BE RECALCULATED FOR THE SEVEN POSSIBLE FAULT CONDITIONS IN SOLIDLY EARTHED NETWORKS OMPARISON WITH 4ABLE SHOWS THAT UNDER EARTH FAULT CONDITIONS THE WEIGHTING FACTOR 7 IS LESS THAN WITH THE STANDARD CONNECTION 4HUS THE THERMAL LOADING IS REDUCED TO I E 4 3 I IGURE ONNECTION WITH DE CREASED EARTH CURRENT SENSITIVITY I I I I I I I I I I o I I IGURE DDITION OF CURRENTS I...

Page 34: ...OM THE TWO SUMMATION TRANSFORMERS UNDER HEALTHY LINE CONDITIONS 4HIS IS AUTOMATIC IF THE C T S HAVE EQUAL RATIO AT THE TWO LINE ENDS I E EQUAL PRIMARY AND EQUAL SECONDARY RATING VEN IF THE C T S AT THE LINE ENDS HAVE THE SAME PRIMA RY RATING BUT THE SECONDARY AT ONE END IS AND AT THE OTHER THE USE OF THE MODEL 3 FOR THE C T AT ONE END AND MODEL 3 FOR AT THE OTHER END WILL ENSURE CORRECT OPERATION ...

Page 35: ...EFINITE IDENTIFICATION OF THE CON CERNED PHASE FOR SINGLE POLE AUTO RECLOSING IN EARTHED NETWORKS OR MULTI PHASE FAULTS FULLY RE DUNDANT BACK UP OCCURS BECAUSE A TRIP COMMAND IS GIVEN FOR EACH CONCERNED CONDUCTOR URTHER THE THREE PHASE SYSTEM GIVES EQUAL SENSITIVITY FOR ALL TYPES OF FAULT QUIPPING EACH PHASE OF A THREE PHASE LINE WITH ITS OWN DIFFERENTIAL RELAY MEANS ONLY A DIFFERENCE IN CON NECTI...

Page 36: ...OUGH THIS ARRANGE MENT REQUIRES TWO DIFFERENTIAL RELAYS IT HAS THE ADVAN TAGE THAT THE SECOND RELAY IS LIMITED TO THE DETECTION OF EARTH FAULTS AND WHEN NECESSARY CAN BE MADE TO BE VERY SENSITIVE IN THE ILLUSTRATED EXAMPLE o 4HIS SYSTEM IS USED ONLY IN EARTHED NETWORKS T IS OF COURSE ALSO POSSIBLE TO USE FOUR DIFFERENTIAL PROTECTION SCHEMES FOR ONE LINE ONE FOR EACH OF THE PHASES AND A FURTHER FOR...

Page 37: ...NTS F THIS CURRENT I I IS OF SUFFICIENT MAGNITUDE TO BE SENSED BY THE ELEMENT THIS SIMPLE SYSTEM WILL PROVIDE DISCRIMI NATIVE PROTECTION FOR THE LINE OR ITEM OF EQUIPMENT UN DER CONSIDERATION 3TABILIZED DIFFERENTIAL PROTECTION 7HEN AN EXTERNAL FAULT CAUSES A HEAVY CURRENT TO FLOW THROUGH THE PROTECTED ZONE DIFFERENCES IN THE MAGNETIC CHARACTERISTICS OF THE CURRENT TRANSFORMERS UNDER CONDITIONS OF ...

Page 38: ...BE AGREED 2B 2 REFERENCE RESISTANCE 2X 2A X 2 LONGITUDINAL RESISTANCE 4HUS THE LOOP EQUATION CAN BE WRITTEN A 2 A X 2 A 2 FTER REDUCTION OF THE 2 VALUES AND SOME REAR RANGEMENT WE OBTAIN A X OR X A 4HIS IS DIRECTLY THE DIFFERENTIAL CURRENT 4HE CURRENT OF THE REMOTE LINE END IS REQUIRED IN ORDER TO OBTAIN THE STABILIZING CURRENT 4HE FOLLOWING APPLIES X A INALLY ALL QUANTITIES WHICH ARE NEEDED FOR T...

Page 39: ...ULT SHOWS THAT FOR INTERNAL FAULT DIFF STAB 4HUS THE CHARACTERISTIC OF INTERNAL FAULTS IS A STRAIGHT LINE WITH THE SLOPE IN THE OPERATION DIAGRAM AS ILLUS TRATED IN IGURE 4HE FIGURE SHOWS THE COMPLETE OPERATION CHARACTERISTIC OF THE RELAY 4HE BRANCH A REPRESENTS THE SENSITIVITY THRESHOLD OF THE DIFFERENTIAL PROTECTION RANCH B TAKES INTO CONSIDERATION CUR RENT PROPORTIONAL ERRORS WHICH MAY RESULT F...

Page 40: ... TION 7HEN AN EXTERNAL FAULT IS DETECTED THE DIFFERENTIAL PROTECTION IS BLOCKED FOR PERIODS MS AT Z AT THE LONGEST 4HIS BLOCKING IS CANCELLED AS SOON AS THE OPERATION POINT MOVES STEADILY I E OVER TWO PERIODS ON THE FAULT CHARACTERISTIC 4HIS ALLOWS TO DETECT EVOLVING FAULTS ON THE PROTECTED LINE RELIABLY EVEN DURING AN EXTERNAL FAULT WITH CURRENT TRANSFORM ER SATURATION OCAL CURRENT THRESHOLD 4HE ...

Page 41: ...HE FEEDING LINE END BECAUSE THE LO CAL CURRENT IS A FURTHER CONDITION FOR TRIPPING EXCEPT THE DIRECT COMMAND OF THE DIFFERENTIAL PROTECTION WITHOUT INTERROGATION OF THE LOCAL CURRENT THRESHOLD IS USED FOR TRIPPING REFER TO 3ECTION F IT IS DESIRED TO TRIP ALSO THE NON FEEDING LINE END THEN THE INTERTRIP FUNCTION CAN BE ACTIVATED 4HIS WORKS WITH A PULSE CODED VOICE FREQUENCY OF Z VIA THE PILOT WIRES...

Page 42: ...AL PROTECTION CANNOT TRIP ANY MORE SINCE NO DIFFERENTIAL CURRENT CAN BE PRESENT F THE PILOT WIRES ARE SHORT CIRCUITED A HIGH THROUGH FAULT CURRENT EXTERNAL FAULT MAY CAUSE TRIPPING OR THIS REASON THE DIFFERENTIAL PROTECTION CAN BE BLOCKED WHEN A PILOT WIRE FAULT IS DETECTED SELECTABLE 4HE REMAINING PROTECTION FUNCTIONS ESPECIALLY THE OVERCURRENT TIME PROTECTION IF IT IS SET EFFECTIVE WILL CONTINUE...

Page 43: ... WIRES WITH RELAY OF THE SUBSTATION ETC SO THAT A CYCLIC ARRANGEMENT RESULTS N ESSENTIAL FACTOR IS THAT THE ADJACENT RELAYS OF ONE STATION RECEIVE THE CURRENTS OF BOTH OUTGOING PILOT WIRES ESIDES THE PILOT WIRE CURRENT OF THE CON NECTED PILOT WIRES A RELAY RECEIVES ALSO THE CUR RENT OF THE PILOT WIRES TO THE THIRD LINE END A 3IMI LARLY RELAY RECEIVES THE CURRENTS A AND A OTE THAT THE FIGURE SHOWS ...

Page 44: ... AFTER THE PILOT WIRE FAULT HAS BEEN ELIMINATED 3TATION 3TATION 3TATION L O C K I N G L O C K I N G 0ILOT WIRES LOCKING OUTPUT O LOCK TO END LOCKING INPUT O 0 7 END IGURE 0ILOT WIRE MONITORING ON THREE TERMINAL LINES 0ILOT WIRE RESISTANCE AND CAPACITANCE 4HE DISTRIBUTION OF THE PILOT WIRE CURRENT A AND THE SHUNT CURRENT B FORMED AN ESSENTIAL PART OF THE MEA SURING PRINCIPLE WITH CONVENTIONAL DIFFE...

Page 45: ...LY TRANSMITTED EVEN IN CASE THE ORIGINATING SIGNAL IS VERY SHORT 4HE RECEIVED SIGNAL CAN EVEN BE DELAYED AND OR MAINTAINED FOR A SETTABLE PERIOD IN ORDER TO ENSURE THAT THE BREAKER IS SAFELY TRIPPED EVEN IN CASE THE RE CEIVED SIGNAL IS VERY SHORT O NOT CONFUSE THE TRANSFER TRIP FACILITY AND THE INTER TRIP FUNCTION WHICH LATTER IS INTEGRAL PART OF THE DIFFER ENTIAL PROTECTION AS DESCRIBED IN 3ECTIO...

Page 46: ...ND IS REPEATED TO A BINARY INPUT OF THE DEVICE AND THAT THIS BINARY INPUT IS ALLOCATED TO THE BINARY INPUT FUNCTION ANUAL LOSE 4HERMAL OVERLOAD PROTECTION 4HE THERMAL OVERLOAD PROTECTION PREVENTS THE POWER LINE PARTICULARLY IN CASE OF CABLES FROM DAMAGE CAUSED BY THERMAL OVERLOADING 4HE OVERLOAD PROTECTION PROCESSES THE MIXED CUR RENT OF THE SUMMATION TRANSFORMER 4HE FACTS CON CERNING DIFFERENT CO...

Page 47: ...RY FUNCTIONS OF THE LINE DIFFERENTIAL PROTEC TION 3 INCLUDE 0ROCESSING OF ANNUNCIATIONS 3TORAGE OF SHORT CIRCUIT DATA FOR FAULT RECORDING PERATIONAL MEASUREMENTS AND TESTING ROUTINES ONITORING FUNCTIONS 0ROCESSING OF ANNUNCIATIONS FTER A FAULT IN THE PROTECTED OBJECT INFORMATION CON CERNING THE RESPONSE OF THE PROTECTIVE DEVICE AND KNOWLEDGE OF THE MEASURED VALUES ARE OF IMPOR TANCE FOR AN EXACT A...

Page 48: ...PERATING MESSAGES CIRCUIT BREAKER OPERATION STATISTICS ETC REFER 3ECTION WHICH ARE SAVED AGAINST SUPPLY VOLTAGE FAILURE BY A BUFFER BATTERY 4HESE MESSAGES AS WELL AS ALL AVAILABLE OPERATING VALUES CAN BE TRANSFERRED INTO THE FRONT DISPLAY AT ANY TIME USING THE KEYBOARD OR TO THE PERSONAL COM PUTER VIA THE OPERATING INTERFACE FTER A FAULT FOR EXAMPLE IMPORTANT INFORMATION CON CERNING ITS HISTORY SU...

Page 49: ...N PROCEED AUTOMATICALLY OPTIONALLY AFTER EACH PICK UP OF THE RELAY OR AFTER TRIP 4HE FOLLOWING THEN APPLIES 4HE RELAY SIGNALS THE AVAILABILITY OF FAULT RECORD DATA 4HE DATA REMAIN AVAILABLE FOR RECALL UNTIL THEY ARE OVERWRITTEN BY NEW DATA TRANSMISSION IN PROGRESS CAN BE ABORTED BY THE CENTRAL UNIT PERATING MEASUREMENTS AND CONVERSION OR LOCAL RECALL OR TRANSMISSION OF DATA THE TRUE R M S VALUES O...

Page 50: ...C CHECK OF THESE COMMAND OUTPUT CHANNEL FOR AVAILABILITY BY EXCIT ING EACH CHANNELS ONE AFTER THE OTHER AND CHECK ING FOR CHANGE IN THE OUTPUT SIGNAL LEVEL HANGE OF THE FEED BACK SIGNAL TO LOW LEVEL INDICATES A FAULT IN ONE OF THE CONTROL CHANNELS OR IN THE RELAY COIL 3UCH A CONDITION LEADS AUTOMATICALLY TO ALARM AND BLOCKING OF THE COMMAND OUTPUT EMORY MODULES 4HE MEMORY MODULES ARE PERIODICALLY ...

Page 51: ... CAN BE RE USED FOR FURTHER TRANSPORT WHEN APPLIED IN THE SAME WAY 4HE STOR AGE PACKING OF THE INDIVIDUAL RELAYS IS NOT SUITED TO TRANSPORT F ALTERNATIVE PACKING IS USED THIS MUST ALSO PROVIDE THE SAME DEGREE OF PROTECTION AGAINST MECHANICAL SHOCK AS LAID DOWN IN CLASS AND CLASS EFORE INITIAL ENERGIZATION WITH SUPPLY VOLTAGE THE RELAY SHALL BE SITUATED IN THE OPERATING AREA FOR AT LEAST TWO HOURS ...

Page 52: ... REQUIRES SPECIAL TOOLS AND MUST NOT BE USED FOR FIELD WIRING UNLESS PROPER STRAIN RELIEF AND THE PERMISSIBLE BENDING RADIUS ARE OBSERVED HECKING THE RATED DATA 4HE RATED DATA OF THE UNIT MUST BE CHECKED AGAINST THE PLANT DATA 4HIS APPLIES IN PARTICULAR TO THE AUXIL IARY VOLTAGE AND THE RATED CURRENT OF THE CURRENT TRANSFORMERS F THE CURRENT TRANSFORMER SETS AT THE LINE ENDS HAVE DIFFERENT SECONDA...

Page 53: ...BEND ASIDE RIDGES 7 IN NEWER MODELS ONLY 7 7 7 7 IGURE HECKING FOR CONTROL VOLTAGES FOR BINARY INPUTS AND ON BASIC P C B 03 TOP R E A R 7 7 7 7 7 7 FOR BINARY INPUT 7 7 FOR BINARY INPUT INARY INPUT RATED VOLTAGES 6DC 3OLDER BRIDGES 7 AND 7 MUST BE FITTED PICK UP APPROX 6 RATED VOLTAGES 6DC 3OLDER BRIDGE 7 MAY BE REMOVED PICK UP APPROX 6 RATED VOLTAGES 6DC 3OLDER BRIDGES 7 AND 7 MAY BE REMOVED PICK...

Page 54: ...A OPTICAL FIBRE IS PARTICULARLY INSENSI TIVE AGAINST DISTURBANCES AND AUTOMATICALLY PRO VIDES GALVANIC ISOLATION 4RANSMIT AND RECEIVE CON NECTOR ARE DESIGNATED WITH THE SYMBOLS FOR TRANSMIT OUTPUT AND FOR RECEIVE INPUT 4HE NORMAL SIGNAL POSITION FOR THE DATA TRANSMISSION IS FACTORY PRESET AS LIGHT OFF 4HIS CAN BE CHANGED BY MEANS OF A PLUG JUMPER 8 WHICH IS ACCESSIBLE WHEN THE PLUG IN MODULE IS RE...

Page 55: ...RTH FAULT PREFERENCE BEFORE BEFORE 4HE SAME CONNECTION METHOD SHOULD BE USED THROUGHOUT A GALVANICALLY INTERCONNECTED SYSTEM AND MUST BE USED AT THE LINE ENDS OF A DIFFERENTIAL PROTECTION SCHEME 4 3 IGURE 3TANDARD CONNECTION ONNECTION FOR DECREASED EARTH CUR RENT SENSITIVITY N EARTHED SYSTEMS WITH PARTICULARLY LOW ZERO SE QUENCE IMPEDANCE EARTH FAULT CURRENTS CAN BE LARG ER THAN THOSE UNDER TWO PH...

Page 56: ...END URRENT TRANSFORMERS AT LINE END ATCHING IS PERFORMED AT LINE END PRIMARY FOR THE LOWER RATED CURRENT PRIMARY FOR THE HIGHER RATED CURRENT WHICH CORRESPONDS E G TO WINDING TURNS F IT IS NECESSARY TO USE MATCHING TRANSFORMERS TO COR RECT THE C T RATIO AT THE SAME TIME AS IT IS REQUIRED TO INCREASE THE SENSITIVITY TO EARTH FAULTS ACCORDING TO 3ECTION THE CIRCUIT SHOWN IN IGURE IS OF COURSE ADEQUA...

Page 57: ...THE NUMBER OF TURNS HAS TO BE DI VIDED BY o IN ORDER TO ACHIEVE THE REAL SENSITIVITY OF THE PROTECTION FUNCTIONS F FOR EXAMPLE THE WEIGHT ING FACTOR OF THE INPUT WINDINGS IS THE SETTING VAL UES HAVE TO BE MULTIPLIED WITH THE FACTOR o 4HE USE OF THE SO CALLED PHANTOM CONNECTION ALLOWS TWO PILOT PAIRS TO PERFORM THE SAME FUNCTION AS THREE PAIRS T REQUIRES THREE INTERPOSING TRANSFORMERS AT EACH END O...

Page 58: ...E TRANSFORMER SET 64 4HE SECONDARY SIDES OF THE VOLTAGE TRANSFORMERS 64 REPRODUCE THE VOLTAGE CONDITIONS ON THE LINE 4HUS CAPACITANCES ARE SUBJECTED TO THE SAME CONDI TIONS AS THE LINE CAPACITANCES 4HE CURRENTS WHICH FLOW IN THIS REPLICA HAVE THE SAME PHASE AND BEAR A FIXED RELATIONSHIP TO THE PRIMARY CHARGING CURRENTS N IGURE USING THE CHARGING CURRENT FOR CON DUCTOR AS AN EXAMPLE WHICH IS MADE U...

Page 59: ... FACTOR P IS CALCU LATED FROM THE CURRENT TRANSFORMER DATA AND THE CON NECTED BURDEN USING THE FORMULA 0 07 P P 0 0 WHERE P OPERATIONAL ACCURACY LIMITING FACTOR P NOMINAL ACCURACY LIMITING FACTOR 0 RATED OUTPUT OF C T 0 INTERNAL BURDEN OF C T 07 CONNECTED BURDEN CONNECTING CONDUCTORS RELAY SUMMATION TRANSFORMER 4HE INTERNAL C T BURDEN IS RARELY GIVEN ON THE C T RAT ING PLATE T MUST BE DETERMINED F...

Page 60: ...WIRES IN M KM SC MAXIMUM SINGLE PHASE EARTH FAULT CURRENT IN K L LENGTH OF THE SECTION WHERE THE POWER LINE AND THE PILOT WIRES ARE LED IN PARALLEL IN KM R REDUCTION FACTOR OF THE POWER CABLE R IN CASE OF OVERHEAD LINES R REDUCTION FACTOR OF THE PILOT WIRE CABLE 4HE MUTUAL REACTANCE CAN BE INSERTED IN M MILE IF THE LINE LENGTH IS ALSO INSERTED IN MILES NLY THE HALF OF THE CALCULATED INDUCED VOLTAG...

Page 61: ...SPOND TO APPROXIMATELY 7 4RANSIENT MOVE MENT OF THE AMMETER POINTER ONLY INDICATES THE CHARGING CURRENT OF THE STORAGE CAPACITORS 4HE UNIT STARTS UP AND ON COMPLETION OF THE RUN UP PERIOD THE GREEN ON THE FRONT COMES ON THE RED GETS OFF AFTER AT LAST SEC PEN THE CIRCUIT BREAKER FOR THE D C POWER SUPPLY 2EMOVE D C AMMETER RECONNECT THE AUXILIARY VOLTAGE LEADS HECK THROUGH THE TRIPPING CIRCUITS TO T...

Page 62: ...NDS WITH 7 04 0RESS THE ENTRY KEY AGAIN F THE CODEWORD IS NOT CORRECT THE DISPLAY SHOWS 7 2 72 0RESSING THE 7 KEY ALLOWS ANOTHER ATTEMPT AT CODEWORD ENTRY DDRESS BLOCKS TO ARE PROVIDED FOR CONFIGURA TION OF THE SOFTWARE OPERATING SYSTEM 4HESE SET TINGS CONCERN THE OPERATION OF THE RELAY COMMUNI CATION WITH EXTERNAL OPERATING AND PROCESSING DE VICES VIA THE SERIAL INTERFACES AND THE INTERACTION OF ...

Page 63: ...IN ADDRESS BLOCK 4HIS BLOCK ALLOWS THE OPERATOR LANGUAGE TO BE CHANGED 4HE DATE FORMAT CAN BE SELECTED ES SAGES ON THE FRONT DISPLAY CAN BE SELECTED HERE FOR THE QUIESCENT STATE OF THE UNIT OR AFTER A FAULT EVENT 4O CHANGE ANY OF THESE PARAMETERS CODEWORD ENTRY IS NECESSARY 7HEN THE RELAY IS DELIVERED FROM THE FACTORY THE DE VICE IS PROGRAMMED TO GIVE FUNCTION NAMES AND OUT PUTS IN THE ERMAN LANGU...

Page 64: ...ER KEY 4HESE SPONTANEOUS MESSAGES ARE ACKNOWLEDGED DURING OPERATION WITH THE 2 3 4 KEY OR VIA THE REMOTE RESET INPUT OF THE DEVICE OR VIA THE SYSTEM INTERFACE IF FITTED FTER ACKNOWLEDGE MENT THE OPERATIONAL MESSAGES OF THE QUIESCENT STATE WILL BE DISPLAYED AGAIN AS CHOSEN UNDER AD DRESSES AND 5 4 S T 0 R O T 0 I C K U P FTER A FAULT EVENT THE FIRST LINE OF THE DISPLAY SHOWS PROTECTION FUNCTION WHI...

Page 65: ... 3 4 4 2 3 EGINNING OF THE BLOCK NTERFACES FOR PERSONAL COMPUTER AND CENTRAL COMPUTER SYSTEM 6 DENTIFICATION NUMBER OF THE RELAY WITHIN THE SUBSTATION VALID FOR BOTH THE INTERFACES OPERATING AND SYSTEM INTERFACE 4HE NUMBER CAN BE CHOSEN AT LIBERTY BUT MUST BE USED ONLY ONCE WITHIN THE PLANT SYSTEM 3MALLEST PERMISSIBLE NUMBER ARGEST PERMISSIBLE NUMBER 2 UMBER OF THE FEEDER WITHIN THE SUBSTATION VAL...

Page 66: ...VAILABLE POSSIBILITIES CAN BE DISPLAYED BY REPEATEDLY DEPRESSION OF THE O KEY ONFIRM THE DESIRED AUD RATE WITH THE ENTRY KEY 5 5 5 5 0 0 2 4 9 3 6 0ARITY AND STOP BITS FOR THE 0 OPERATING INTERFACE FORMAT FOR 3IEMENS PROTECTION DATA PROCESSING PROGRAM 3 Q 6ERSION 6 WITH EVEN PARITY AND STOP BIT TRANSMISSION WITH PARITY AND 34 0 BITS TRANSMISSION WITH PARITY AND 34 0 BIT E G FOR MO DEM 3 4 0 3 4 0 ...

Page 67: ...HE ENTRY KEY 3 9 3 5 2 5 5 5 5 5 3 9 3 0 2 4 9 6 7 3 6 3 0ARITY AND STOP BITS FOR THE SYSTEM 3 INTERFACE FORMAT FOR 6 7 PROTOCOL OR 3IEMENS PROTECTION DATA PROCESSING PROGRAM 3 Q 6ERSION AND FORMER 3 TRANSMISSION WITH PARITY AND 34 0 BITS TRANSMISSION WITH PARITY AND 34 0 BIT E G FOR MODEM 3 4 0 3 4 0 DDRESS IS RELEVANT ONLY IN CASE THE SYSTEM INTERFACE IS CONNECTED WITH A HARDWARE THAT OPERATES W...

Page 68: ...ORED OTE 4HE MAX TIMES ARE REFERRED TO A SYSTEM FRE QUENCY OF Z 4HEY ARE TO BE MATCHED ACCORD INGLY FOR DIFFERENT FREQUENCY ATA STORAGE CAN ALSO BE INITIATED VIA A BINARY INPUT OR BY OPERATOR ACTION FROM THE MEMBRANE KEYBOARD ON THE FRONT OF THE RELAY OR VIA THE OPERATING INTERFACE 4HE STORAGE IS TRIGGERED DYNAMICALLY IN THESE CASES 4HE LENGTH OF THE DATA STORAGE IS DETERMINED BY THE SETTINGS IN A...

Page 69: ...3MALLEST SETTING VALUE ARGEST SETTING VALUE S S DDRESS IS NOT RELEVANT IN CASE THAT THE RELAY IS CONNECTED TO A CONTROL AND STORAGE PROCESSING SYSTEM WHICH OPERATES WITH THE PROTOCOL ACCORDING TO 6 7 6 UT IF THE RELAY IS CONNECTED TO A FORMER 3 SYSTEM THE RELAY MUST BE INFORMED HOW LONG A TRANSMITTED FAULT RECORD MUST BE SO THAT THE FORMER 3 SYSTEM RECEIVES THE CORRECT NUMBER OF FAULT RECORD VALUE...

Page 70: ...SS IS SHOWN IN A BOX N THE UPPER LINE OF THE DISPLAY BEHIND THE NUM BER AND THE BAR STANDS THE ASSOCIATED DEVICE FUNC TION N THE SECOND LINE IS THE ASSOCIATED TEXT E G 8 34 F THIS TEXT IS APPROPRIATE THE ARROW KEYS OR CAN BE USED TO PAGE THE NEXT ADDRESS F THE TEXT SHOULD BE ALTERED PRESS THE O KEY AN ALTERNA TIVE TEXT THEN APPEARS E G 8 34 4HERE MAY BE OTHER ALTERNATIVES WHICH CAN THEN BE DIS PLA...

Page 71: ...HE FUNCTION WILL BE PROCESSED THAT INDICATION WILL APPEAR E G SWITCHED OFF BUT THAT THE FUNCTION WILL HAVE NO EFFECT ON THE RESULT OF THE PROTECTIVE PROCESS E G NO TRIPPING COMMAND 4HE FOLLOWING BOXES SHOW THE POSSIBILITIES FOR THE MAXIMUM SCOPE OF THE DEVICE N AN ACTUAL CASE FUNCTIONS WHICH ARE NOT AVAILABLE WILL NOT APPEAR IN THE DISPLAY 3 0 5 4 3 EGINNING OF THE BLOCK SCOPE OF FUNCTIONS IFFEREN...

Page 72: ...E CHANGED 2 1 5 9 F Z F Z 2ATED SYSTEM FREQUENCY Z OR Z 3ETTING THE DEVICE CONFIGURATION ADDRESS BLOCK 4HE CONFIGURATION AFFECTS THE INTERACTION OF THE PROTECTIVE AND ADDITIONAL FUNCTIONS FOR 3 WHETHER THE DIFFERENTIAL SYSTEM IS USED ON A TWO OR THREE TERMINAL LINE 6 5 2 4 EGINNING OF THE BLOCK DEVICE CONFIGURATION O 3 4 7 4 2 3 4HE LINE DIFFERENTIAL PROTECTION SYSTEM IS USED ON TWO TERMINAL LINES...

Page 73: ...TRIGGER WHICH PHYSI CAL SIGNAL RELAY 5P TO LOGICAL ANNUNCIATIONS CAN TRIGGER ONE PHYSICAL SIGNAL RELAY SIMILAR SITUATION APPLIES TO BINARY INPUTS N THIS CASE EXTERNAL INFORMATION E G REMOTE RESETTING IS CONNECTED TO THE UNIT VIA A PHYSICAL INPUT MODULE AND SHOULD INITIATE A LOGICAL FUNCTION NAMELY RESET TING OF THE STORED INDICATIONS 4HE CORRESPONDING QUESTION TO THE OPERATOR IS THEN 7HICH SIGNAL ...

Page 74: ...R IS KNOWN THIS CAN BE INPUT DIRECTLY ON THE SELECTION LEVEL 0AGING THROUGH THE POSSIBLE FUNCTIONS IS THEN SUPERFLUOUS 7ITH DIRECT INPUT OF THE FUNCTION NUMBER LEADING ZEROS NEED NOT BE ENTERED FTER INPUT OF THE FUNCTION NUMBER USE THE EXECUTE KEY MMEDIATELY THE ASSOCIATED IDENTIFICATION OF THE FUNCTION APPEARS FOR CHECKING PURPOSES 4HIS CAN BE ALTERED EITHER BY ENTERING ANOTHER FUNCTION NUMBER OR...

Page 75: ...ITH DIRECT INPUT OF THE FUNCTION NUMBER LEADING ZER OS NEED NOT BE USED 4O INDICATE THE CONTACT MODE THE FUNCTION NUMBER CAN BE EXTENDED BY A DECIMAL POINT FOLLOWED BY OR WHEREBY MEANS NORMALLY OPEN MODE CORRESPONDS TO AS ABOVE MEANS NORMALLY CLOSED MODE CORRESPONDS TO AS ABOVE F THE EXTENSION WITH OR IS OMITTED THE DISPLAY FIRST INDICATES THE FUNCTION DESIGNATION IN NORMALLY OPEN MODE Y PRESSING ...

Page 76: ...URRENT TIME PROTECTION LOCK TRIP COMMAND OF BACK UP OVERCURRENT TIME PROTECTION LOCK STAGE OF BACK UP OVERCURRENT TIME PROTECTION LOCK OR 0 STAGE OF BACK UP OVERCURRENT TIME PROTECTION LOCK DIFFERENTIAL PROTECTION LOCK TRIP COMMAND OF DIFFERENTIAL PROTECTION LOCK TRANSFER TRIP FUNCTION TRANSMITTER FOR REMOTE TRIP 4RIGGER TRANSFER TRIP LOCK RECEPTION OF REMOTE TRIP LOCK TRIP COMMAND OF RECEPTION OF...

Page 77: ...AYS AS DELIV ERED FROM FACTORY IS SHOWN IN THE GENERAL DIAGRAMS IN PPENDIX 4HE FOLLOWING BOXES SHOW EXAMPLES FOR MARSHALLING OF SIGNAL RELAY 4ABLE SHOWS ALL SIGNAL RELAYS AS PRESET FROM THE FACTORY OTE AS TO 4ABLE NNUNCIATIONS WITH A LEADING SIGN ARE IDENTICAL WITH THOSE FOR BINARY INPUTS 4HEY REPRESENT THE DIRECT CONFIRMATION OF THE BINARY INPUT AND ARE AVAILABLE AS LONG AS THE CORRESPONDING BINA...

Page 78: ...ION CURRENT WARNING STAGE PICKED UP 4HERMAL OVERLOAD PROTECTION THERMAL WARNING STAGE PICKED UP 4HERMAL OVERLOAD PROTECTION PICK UP OF TRIP STAGE 4HERMAL OVERLOAD PROTECTION TRIP COMMAND LOCK BACK UP OVERCURRENT TIME PROTECTION LOCK TRIP COMMAND OF BACK UP OVERCURRENT TIME PROTECTION LOCK STAGE OF BACK UP OVERCURRENT TIME PROTECTION LOCK OR P STAGE OF BACK UP OVERCURRENT TIME PROTECTION ACK UP OVE...

Page 79: ...FAILURE LOCK SIGNAL FOR PILOT WIRE MONITOR OF ADJACENT RELAY ONLY WITH THREE TERMINAL LINES LOCK EXTERNAL TRIP FUNCTION LOCK TRIP COMMAND OF EXTERNAL TRIP FUNCTION 4RIGGER EXTERNAL TRIP FUNCTION XTERNAL TRIP FUNCTION IS SWITCHED OFF XTERNAL TRIP FUNCTION IS BLOCKED XTERNAL TRIP FUNCTION IS ACTIVE ENERAL FAULT DETECTION SIGNAL OF EXTERNAL TRIP FUNCTION 4RIP SIGNAL OF EXTERNAL TRIP FUNCTION IFF ACTI...

Page 80: ...INDICATE WHETHER THE STORED OR UNSTORED MODE SHALL BE EFFECTIVE THE FUNCTION NUMBER CAN BE EX TENDED BY A DECIMAL POINT FOLLOWED BY OR WHERE BY UNSTORED INDICATION NOT MEMORIZED CORRE SPONDS TO NM AS ABOVE STORED INDICATION MEMORIZED CORRESPONDS TO M AS ABOVE F THE EXTENSION WITH OR IS OMITTED THE DISPLAY SHOWS FIRST THE FUNCTION DESIGNATION IN UNSTORED MODE WITH NM 0RESS THE O KEY TO CHANGE TO ST...

Page 81: ... ARE LISTED IN 4ABLE S EVICE 4RIP M IFF EN LT M ACKUP M ACKUP P M 7ARN M 0ILOT W FAIL NM 23 ST DISPLAY LINE DDR ND DISPLAY LINE O 2EMARKS EADING OF THE ADDRESS BLOCK 4RIP SIGNAL GIVEN FROM EITHER PROTECTION FUNC TION OF THE DEVICE AULT DETECTION SIGNAL OF THE INDICATED PRO TECTION FUNCTIONS 4HERMAL WARNING STAGE OF THERMAL OVERLOAD PROTECTION 0ILOT WIRE FAILURE 4ABLE 0RESET INDICATORS ...

Page 82: ... F FURTHER PROTECTION FUNCTIONS SHALL TRIP THE SAME BREAKER EACH COMMAND RELAY MUST BE TRIGGERED BY THE CORRESPONDING COMMAND FUNCTIONS NOT ALLOCATED EVICE LT ET EVICE 4RIP 4EST POL PICKUP 4RIP ACK EN LT ACKUP 4 ACKUP 4 4P ACK EN 4RIP IFF EN LT IFF 4RIP DIR IF 4RIP 2ECV EN LT 2ECEIVER 4RIP XT EN AULT XT EN 4RIP NO ANNUNCIATION ALLOCATED TO TRIP RELAY ENERAL FAULT DETECTION OF THE DEVICE ENERAL TRI...

Page 83: ...THE NEXT TRIP RELAY WITH THE ARROW KEY 4 2 0 2 9 LLOCATIONS FOR TRIP RELAY AULT DETECTION OF ANY PROTECTION FUNCTION 42 0 2 93 2 9 PICKUP ACK EN LT IFF EN LT 2ECV EN LT XT EN AULT 2 9 4EST POL 4RIP ACK EN 4RIP IFF 4RIP 2ECEIVER 4RIP XT EN 4RIP 2 9 NOT ALLOCATED 2 9 NOT ALLOCATED 23 42 0 42 0 2 42 0 2 42 0 2 42 0 2 42 0 2 42 0 42 0 2 42 0 2 42 0 2 42 0 2 42 0 2 42 0 2 42 0 42 0 2 42 0 42 0 2 ST DIS...

Page 84: ...PLAY PRESENTS THE INFORMATION ACH CHARACTER COMPRISES A X DOT MATRIX UMBERS LETTERS AND A SERIES OF SPECIAL SYMBOLS CAN BE DISPLAYED URING DIALOG THE UPPER LINE GIVES A FOUR FIGURE NUM BER FOLLOWED BY A BAR 4HIS NUMBER PRESENTS THE SET TING ADDRESS 4HE FIRST TWO DIGITS INDICATE THE AD DRESS BLOCK THEN FOLLOWS THE TWO DIGIT SEQUENCE NUMBER N MODELS WITH PARAMETER CHANGE OVER FA CILITY THE IDENTIFIE...

Page 85: ...AY IS SWITCHED OVER TO OPERATING MODE AS SOON AS ONE OF THE KEYS 3 7 OR Å IS PRESSED PERATION WITH A PERSONAL COM PUTER PERSONAL COMPUTER ALLOWS JUST AS THE OPERATOR PANEL ALL THE APPROPRIATE SETTINGS INITIATION OF TEST ROUTINES AND READ OUT OF DATA BUT WITH THE ADDED COMFORT OF SCREEN BASED VISUALIZATION AND A MENU GUIDED PROCEDURE LL DATA CAN BE READ IN FROM OR COPIED ONTO MAGNET IC DATA CARRIER...

Page 86: ... RED ACTORY PRESETTING S ENERAL TRIP OF THE RELAY 0ICK UP OF DIFFERENTIAL PROTECTION 0ICK UP OF OVERCURRENT TIME PROTECTION STAGE 0ICK UP OF OVERCURRENT TIME PROTECTION STAGE DEFINITE OR 0 INVERSE VERLOAD PROTECTION THERMAL WARNING STAGE 0ILOT WIRE FAILURE TO RED CAN BE MARSHALLED PRESETTING BELOW 7 2 9 3 R 3 IAGR Z EITUNGSDIFFERENTIALSCHUTZ INE IFFERENTIAL 0ROTECTION ETRIEB 3ERVICE 3T RUNG LOCKED...

Page 87: ...E ACCEPTED VALUE 4HE CHANGED PARAMETERS ARE ONLY SAVED AFTER TER MINATION OF PARAMETERIZING REFER BELOW DDRESSES WHICH REQUIRE TEXT INPUT 4HE DISPLAY SHOWS THE FOUR DIGIT ADDRESS I E BLOCK AND SEQUENCE NUMBER E G FOR BLOCK SEQUENCE NUMBER EHIND THE BAR APPEARS THE MEANING OF THE REQUIRED PARAMETER IN THE SEC OND DISPLAY LINE THE APPLICABLE TEXT 7HEN THE RELAY IS DELIVERED A TEXT HAS BEEN PRESET N ...

Page 88: ... PARAMETER SET 4HEN SWITCH OVER TO PARAMETER SET IST COMPLETE THE PARAMETERIZING PROCEDURE FOR SET AS DESCRIBED IN 3ECTION 0RESS KEY COMBINATION I E FIRST THE FUNCTION KEY AND THEN THE NUMBER KEY LL FOLLOWING IN PUTS THEN REFER TO PARAMETER SET LL PARAMETER SETS CAN BE ACCESSED IN A SIMILAR MAN NER C EY COMBINATION ACCESS TO PARAMETER SET C EY COMBINATION ACCESS TO PARAMETER SET C EY COMBINATION A...

Page 89: ...E ARE ENTERED WITH DOTS AS SEPARA TOR SIGNS SINCE THE KEYBOARD DOES NOT HAVE A COLON OR SLASH FOR MERICAN DATE 4HE CLOCK IS SYNCHRONIZED AT THE MOMENT WHEN THE ENTER KEY IS PRESSED FOLLOWING INPUT OF THE COM PLETE TIME 4HE DIFFERENCE TIME FACILITY ADDRESS ENABLES EXACT SETTING OF THE TIME SINCE THE DIF FERENCE CAN BE CALCULATED PRIOR TO THE INPUT AND THE SYNCHRONIZATION OF THE CLOCK DOES NOT DEPEN...

Page 90: ...E PRIMARY MEASURED CURRENT VALUES REFER ALSO TO 3ECTION 4HE COR RECT SETTING OF THE RATED CURRENT OF THE PROTECTED OB JECT ENSURES THAT THE CHARACTERISTIC OF THE DIFFERENTIAL PROTECTION IS OPTIMALLY MATCHED TO THE PROTECTED OB JECT 4HAT MEANS THAT THE PICK UP VALUES AND THE SHAPE OF THE CHARACTERISTIC ARE REFERRED TO THIS RATED OBJECT CURRENT 4HE TWO CURRENT RATINGS SHOULD NOT DIFFER FROM EACH OTH...

Page 91: ... MILES FOR USUAL PROTECTION PILOT WIRES N ADDITION TO THE PILOT WIRE CAPACITANCE N MUST BE CALCULATED WHEN THE RELAY IS EQUIPPED WITH PILOT WIRE MONITORING 4HE PILOT WIRE CAPACITANCE CAN BE SET UNDER ADDRESS X IT ALSO CAN BE MEASURED BY THE RELAY ITSELF DURING COM MISSIONING REFER TO 3ECTION OR THREE TERMINAL LINES THE CAPACITANCES OF BOTH PI LOT WIRE PAIRS ARE REQUIRED 4HE SAME DEFINITIONS AP PLY...

Page 92: ...RRENTS WHICH CAN OCCUR UNDER THE DIFFER ENT POSSIBLE FAULT CONDITIONS AND THE SENSITIVITY GIVEN BY THE CHOSEN METHOD OF CONNECTION OF THE RELAY AN UPPER LIMIT FOR THE SETTING RESULTS 4HE LOWER LIMIT OF THE POSSIBLE SETTING RANGE IS DETER MINED BY THE DIFFERENCE BETWEEN THE CURRENT OUTPUTS OF THE SUMMATION TRANSFORMERS UNDER HEALTHY CONDI TIONS 4HIS CONSTANT DIFFERENCE CAN RESULT FROM THE CAPACITIV...

Page 93: ...LT IS NOT ALWAYS DETECTED IN PHASE WITH STANDARD CONNECTION ACCORDING TO IGURE WHEN THE SLOPE IS SET ABOVE N CASES WHERE A POWER TRANSFORMER IS DIRECTLY CON NECTED I E WITHOUT CURRENT TRANSFORMERS AND CIRCUIT BREAKER TO A LINE AN INRUSH STABILIZATION USING THE SECOND HARMONIC CONTENT IN THE DIFFERENTIAL CURRENT CAN BE SWITCHED ON UNDER ADDRESS 4HE SEC OND HARMONIC CONTENT WHICH BLOCKS THE PROTECTI...

Page 94: ...HAT THOSE LINE END S WHERE A REASONABLE SHORT CIRCUIT CURRENT FLOWS F THE CIRCUIT BREAKER AT A NON FEEDING LINE END SHOULD ALSO BE TRIPPED THE INTEGRATED INTER TRIP FACILITY CAN BE USED SEE BELOW PRECONDITION IS THAT THE RELAY IS EQUIPPED WITH THIS FACILITY MODELS WITH PILOT WIRE MONITOR INTERTRIP AND TRANSFER TRIP 3 J JJJ J JJ URTHERMORE POSSIBILITY EX ISTS TO TRIP THE BREAKER WITHOUT RELEASE BY ...

Page 95: ...ODELS WITH INTE GRATED PILOT WIRE MONITOR INTERTRIP AND TRANSFER TRIP 3 J JJJ J JJ F THERE IS NO INFEED OR ONLY WEAK INFEED FROM ONE LINE END A TRIP SIGNAL MIGHT NOT BE INITIATED IN THE EVENT OF A SHORT CIRCUIT N THIS CASE AN INTERTRIP SIGNAL CAN BE TRANSMITTED BY THE OTHER END AFTER THE SHORT CIRCUIT HAS BEEN RECOGNIZED THERE TO THE END WITH ONLY WEAK INFEED 4HUS IMMEDIATE DISCONNECTION AT BOTH E...

Page 96: ...TION CAN BE BLOCKED ADDRESS 7HEN THE PILOT WIRES ARE INTERRUPTED THE DIFFERENTIAL PROTEC TION CANNOT TRIP ANY MORE SINCE NO DIFFERENTIAL CURRENT CAN BE PRESENT F THE PILOT WIRES ARE SHORT CIRCUITED A HIGH THROUGH FAULT CURRENT EXTERNAL FAULT MAY CAUSE TRIPPING 4HE OVERCURRENT TIME PROTECTION IF IT IS SET EFFECTIVE WILL CONTINUE ITS OPERATION EVEN DUR ING PILOT WIRE FAULT NNUNCIATION OF PILOT WIRE ...

Page 97: ...CIATED AND OR ROUTED TO ONE OR MORE OF THE TRIP RELAYS PRECONDITIONS IS THAT THIS FUNCTION HAS BEEN SET TO 84 42 0 8 34 UNDER ADDRESS DURING CON FIGURATION OF THE DEVICE FUNCTIONS REFER 3ECTION 4HE FUNCTION CAN BE SWITCHED ON AND OFF UN DER ADDRESS OR ITS TRIP COMMAND CAN BE BLOCKED 8 4 2 4 2 0 5 4 EGINNING OF BLOCK XTERNAL LOCAL TRIP FUNCTION VIA BINARY INPUT 8 4 4 2 0 XTERNAL LOCAL TRIP FACILITY...

Page 98: ...CTIONS REFER 3ECTION 4HE PARAMETERS FOR PROCESSING OF THE RECEIVED SIG NAL ARE SET IN ADDRESS BLOCK REFER TO 3ECTION O NOT CONFUSE THE TRANSFER TRIP FACILITY WITH THE INTER TRIP FUNCTION WHICH IS INTEGRAL PART OF THE DIFFERENTIAL PROTECTION 4RANSFER TRIP OPERATES WITH THE SAME VOICE FREQUENCY SIGNAL Z AS PILOT WIRE MONITORING BUT WITH A DIFFERENT PULS CODE 4RANSMISSION OF A SIGNAL IS POSSI BLE FOR...

Page 99: ...EPTION FUNCTION HAS BEEN SET TO 42 0 2 6 8 34 UNDER ADDRESS DURING CONFIGURATION OF THE DEVICE FUNCTIONS REFER 3ECTION OR CORRECT EVALUATION OF THE RECEIVED SIGNAL IT IS IM PERATIVE THAT THE RECEIVING LEVEL IS SET TO THE CORRECT VALUE ADDRESS REFER TO 3ECTION EVEN IF THE PILOT WIRE MONITORING FEATURE IS NOT USED 4HE RECEPTION CIRCUIT CAN BE SWITCHED ON OR OFF UNDER ADDRESS ADDITIONALLY THE TRIP CO...

Page 100: ...HIS FUNCTION MODE CAN BE SELECTED IN ADDRESS OR INVERSE TIME A CHOICE CAN BE MADE BETWEEN THREE TRIPPING TIME CHARACTERISTICS DEFINED IN 4HE PICK UP VALUE ADDRESS FOR DEFINITE TIME OR P ADDRESS FOR INVERSE TIME MUST BE SET ABOVE THE MAXIMUM EXPECTED OVER LOAD CURRENT APPROXIMATELY TIMES T IS REFERRED TO THE RATED LINE CURRENT AS SET UNDER ADDRESS 4OGETHER WITH THE HIGH CURRENT STAGE A TWO STAGE OV...

Page 101: ...ET VALUE IS RECOMMENDED F THE TIME GRAD ING IS TO BE COORDINATED WITH CONVENTIONAL RELAYS WHICH OPERATE WITH TRUE R M S VALUES THEN 7 4 2 3 CAN BE ADVANTAGEOUS P N N NLY FOR INVERSE TIME PROTECTION 0ICK UP THRESHOLD P REFERRED TO THE RATED LINE CURRENT AS SET UNDER ADDRESS 3MALLEST SETTING VALUE LINE ARGEST SETTING VALUE LINE 4 P S 4IME MULTIPLIER 3MALLEST SETTING VALUE S ARGEST SETTING VALUE S 2 ...

Page 102: ... ALARMS ONLY OR TO INITIATE TRIPPING INCLUDING ALARM DDITIONALLY THE TRIP COMMAND CAN BE BLOCKED WHILST THE OVERLOAD PROTECTION FUNC TION REMAINS OPERATIVE ADDRESS 4HE RATED CURRENT OF THE LINE AS PARAMETERIZED IN AD DRESS REFER TO 3ECTION IS USED AS THE BASE CURRENT FOR THE OVERLOAD MEASUREMENT 4HE SETTING FACTOR K IS DETERMINED BY THE RATIO OF THE CON TINUOUSLY PERMISSIBLE THERMAL CURRENT MAX TO...

Page 103: ... TEM PERATURE RISE IS REACHED SO THAT FOR EXAMPLE BY PROMPT LOAD SHEDDING TRIPPING MAY BE PREVENTED FURTHER CURRENT WARNING STAGE IS AVAILABLE ADDRESS 4HIS CAN BE SET AS A FACTOR OF THE RATED LINE CURRENT AND SHOULD BE EQUAL OR LESS THAN THE CONTINU OUSLY ADMISSIBLE CURRENT T CAN BE USED BESIDES THE TEMPERATURE WARNING STAGE OR INSTEAD OF THAT 7HEN SETTING WARN TRIP TO THE TEMPERATURE WARN ING IS ...

Page 104: ...INJECTED INTO ONE OR MORE OF THESE CURRENT INPUTS THEN THE SUMMATION CONDITION MAY NOT BE FULFILLED DURING THOSE TESTS 4HE RELAY WOULD OUTPUT AN ALARM AND BLOCK THE DIFFERENTIAL PROTECTION IN THIS CASE N ORDER TO ALLOW THOSE TESTS POSSIBILITY IS GIVEN TO SWITCH THE CURRENT SUM MONITOR OFF AD DRESS 3 6 5 3 5 0 2 6 3 EGINNING OF BLOCK EASURED VALUE SUPERVISION 6 3 5 0 2 6 EASURED VALUE SUPERVISION C...

Page 105: ...ITH ADDRESS CODE USING KEY ADDRESS AND EXECUTE WITH KEY 0RESS KEY 3 STANDS FOR MESSAGES 3 FOR SIGNALS THEN THE ADDRESS APPEARS AUTO MATICALLY AS THE BEGINNING OF THE ANNUNCIATION BLOCKS OR CONFIGURATION OF THE TRANSFER OF ANNUNCIATIONS VIA THE SERIAL INTERFACES THE NECESSARY DATA HAD BEEN ENTERED IN ADDRESS BLOCK SEE 3ECTION 4HE ANNUNCIATIONS ARE ARRANGED AS FOLLOWS LOCK PERATIONAL ANNUNCIATIONS T...

Page 106: ...ED T IS INDICATED WHETHER AN EVENT IS AN NOUNCED ON OCCURRENCE OMING OR A STATUS IS ANNOUNCED OMING AND OING 4HE FIRST LISTED MESSAGE IS AS EXAMPLE ASSIGNED WITH DATE AND TIME IN THE FIRST LINE THE SECOND LINE SHOWS THE BEGINNING OF A CONDITION WITH THE CHARAC TER TO INDICATE THAT THIS CONDITION OCCURRED AT THE DISPLAYED TIME 0 2 4 5 4 3 EGINNING OF THE BLOCK PERATIONAL ANNUNCI ATIONS ST LINE ATE ...

Page 107: ...TIVE NUMBER DETAILED INFORMATION IN THE FAULT ANNUNCIATIONS L T 2 E C V I A AULT RECORDING STARTED VIA BINARY INPUT L T 2 E C V I A AULT RECORDING STARTED VIA FRONT KEYBOARD L T 2 E C V I A 0 AULT RECORDING STARTED VIA OPERATING 0 INTERFACE L T 2 E C A T E L AULT RECORDING DATA DELETED A N U A L L O S E ANUAL CLOSE COMMAND REGISTERED IMPULSE NNUNCIATIONS OF MONITORING FUNCTIONS 7 R O N G 3 7 V E R...

Page 108: ...LY VOLTAGE 6 A I L U R E 6 AILURE IN INTERNAL SUPPLY VOLTAGE 6 A I L U R E 6 AILURE IN INTERNAL SUPPLY VOLTAGE 6 A I L U R E 6 AILURE IN OFFSET VOLTAGE 6 A I L U R E AILURE IN TRIP RELAY CIRCUIT ON BASE INPUT OUTPUT P C B A I L U R E AILURE ON VOICE FREQUENCY P C B FOR PILOT WIRE SUPER VISION INTERTRIP AND TRANSFER TRIP 3 J JJJ J ONLY A I L U R E 2 AILURE ON OUTPUT RELAY P C B 3 D I S R U P T E D ...

Page 109: ...ON IS SWITCHED OFF 4 R A N S 4 R I P B L O XTERNAL TRANSFER TRIP FUNCTION IS BLOCKED 4 R 4 R I P 3 E N D XTERNAL TRANSFER TRIP SIGNAL TRANSMITTED 2 E C E I V E R O F F 2ECEIVER CIRCUIT IS SWITCHED OFF 2 E C E I V E B L O C K 2ECEIVER CIRCUIT IS BLOCKED 2 E C V A C T I V E 2ECEIVER CIRCUIT IS ACTIVE 2 E C E I V E R E C V 2ECEIVE SIGNAL RECEIVED PERATIONAL ANNUNCIATIONS OF BACK UP OVERCURRENT TIME P...

Page 110: ... 7 A R N 4HERMAL OVERLOAD PROTECTION THERMAL WARNING STAGE PICKED UP P I C K U P 4HERMAL OVERLOAD PROTECTION THERMAL TRIP STAGE PICKED UP NNUNCIATIONS OF THE CIRCUIT BREAKER TEST FUNCTION I N 4 E S T NTERNAL CIRCUIT BREAKER TEST IN PROGRESS 4 E S T P O L 4RIP THREE POLE BY INTERNAL CIRCUIT BREAKER TEST FUNCTION URTHER MESSAGES 4 A B L E O V E R F L O W F MORE MESSAGES HAVE BEEN RECEIVED THE LAST V...

Page 111: ...D WITH A SEQUENCE ITEM NUMBER N THE FOLLOWING CLARIFICATION ALL THE AVAILABLE FAULT AN NUNCIATIONS ARE INDICATED N THE CASE OF A SPECIFIC FAULT OF COURSE ONLY THE ASSOCIATED ANNUNCIATIONS APPEAR IN THE DISPLAY T FIRST AN EXAMPLE IS GIVEN FOR A SYSTEM FAULT AND EXPLAINED 3 4 5 4 EGINNING OF THE BLOCK AULT ANNUNCIATIONS OF THE LAST SYSTEM FAULT 3 Y S T E M L T UNDER ITEM THE DATE OF THE SYSTEM FAULT...

Page 112: ... M IFFERENTIAL PROTECTION BLOCKED BY EXCESSIVE CURRENT HARMONIC CONTENT I F F 4 R I P 4RIP BY DIFFERENTIAL PROTECTION I F F N T E R T R NTERTRIP SIGNAL OF DIFFERENTIAL PROTECTION TRANSMITTED AULT ANNUNCIATION OF EXTERNAL LOCAL TRIP AND TRANSFER TRIP X T E N A U L T ENERAL FAULT DETECTION SIGNAL OF EXTERNAL LOCAL TRIP FUNCTION X T E N 4 R I P ENERAL TRIP BY EXTERNAL LOCAL TRIP FUNCTION 2 E C V E N ...

Page 113: ...E OCCURRED HOWEVER MEMORY IS FULL 4 A B L E S U P E R C E D E D A NEW FAULT EVENT HAS OCCURRED DURING READ OUT PAGE ON WITH OR THE DISPLAY SHOWS THE FIRST ANNUNCI ATION IN THE ACTUALIZED ORDER N D O F T A B L E F NOT ALL MEMORY PLACES ARE USED THE LAST MESSAGE IS ND OF TABLE 4HE DATA OF THE SECOND TO LAST SYSTEM FAULT CAN BE FOUND UNDER ADDRESS 4HE AVAILABLE ANNUNCIATIONS ARE THE SAME AS FOR THE L...

Page 114: ...IRECT AD DRESSING OR BY PAGING WITH THE KEYS Å OR Ç UNTIL ADDRESS IS REACHED 4HE COUNTERS CAN BE CALLED UP USING THE KEY FOR FORWARDS PAGING OR FOR BACKWARDS PAGING NTRY OF THE CODEWORD IS NOT REQUIRED FOR READ OFF OF COUNTER STATES 0 2 4 3 4 4 3 4 3 EGINNING OF THE BLOCK IRCUIT BREAKER OPERATION STATISTICS UMBER OF TRIP COMMANDS ISSUED BY THE RELAY 4 2 0 O 0AGE ON WITH KEY TO GET FURTHER COUNTER ...

Page 115: ...CTION N THE FOLLOWING EXAMPLE SOME EXAMPLE VALUES HAVE BEEN INSERTED N PRACTICE THE ACTUAL VALUES APPEAR DDRESS BLOCK SHOWS FURTHER OPERATIONAL VALUES THE CALCULATED VALUES OF THE OVERLOAD PROTECTION 0 2 4 3 5 2 6 5 3 EGINNING OF THE BLOCK PERATIONAL MEASURED VAL UES 5SE KEY TO MOVE TO THE NEXT ADDRESS WITH THE NEXT MEASURED VALUE 3 6 5 0AGE ON WITH THE KEY TO READ OFF THE NEXT ADDRESS WITH THE NE...

Page 116: ...SES TO ARE RE FERRED TO THE PRIMARY RATED C T CURRENT 3 6 5 3 6 5 DDRESS IS RELEVANT ONLY FOR THREE TERMINAL LINES 3 6 5 IFFERENTIAL CURRENT DIFF 3 6 5 2 2ESTRAINING STABILIZING CURRENT STAB 3 6 5 T R I P 4HE PERCENTAGE IS REFERRED TO THE TRIP TEMPERATURE RISE ...

Page 117: ...Å FORWARDS OR Ç BACKWARDS UP TO ADDRESS OR BY DIRECT SELECTION WITH ADDRESS CODE USING KEY ADDRESS AND EXECUTE WITH KEY 6 4 2 EGINNING OF THE BLOCK EVICE CONTROL DJUSTING AND SYNCHRONIZING THE REAL TIME CLOCK ADDRESS BLOCK 4HE DATE AND TIME CAN BE ADJUSTED AT ANY TIME DUR ING OPERATION AS LONG AS THE REAL TIME CLOCK IS OPERA TIVE 3ETTING IS CARRIED OUT IN BLOCK WHICH IS REACHED BY DIRECT ADDRESSIN...

Page 118: ...FERENT GROUPS OF COUNTERS MEMORIES AND ANNUNCIATIONS NE REACH ES THE INDIVIDUAL ITEMS BY PAGING RASURE RE QUIRES CONFIRMATION WITH THE KEY 9 4HE DISPLAY THEN CONFIRMS THE ERASURE F ERASURE IS NOT REQUIRED PRESS KEY OR SIMPLY PAGE ON 2 3 4 EGINNING OF BLOCK 2ESET 2 3 4 2EQUEST WHETHER THE MEMORIES SHOULD BE RESET 2 3 4 0 2 4 5 2EQUEST WHETHER THE OPERATIONAL ANNUNCIATION BUFFER STORE SHOULD BE ERAS...

Page 119: ...KEYS Å OR Ç OR DIRECTLY BY KEY ING IN THE CODE 5SE KEY TO SCROLL TO ADDRESS Y PRESSING THE O KEY THE POSI TIONS OF THIS SWITCH ARE CHANGED 4HE DESIRED POSI TION MUST BE CONFIRMED WITH THE ENTER KEY S WITH EVERY SETTINGS OF THE DEVICE FOR WHICH CODE WORD INPUT IS NECESSARY CODEWORD OPERATION MUST BE TERMINATED 4HIS IS DONE BY USING THE KEY COMBI NATION I E DEPRESSING THE FUNCTION KEY FOL LOWED BY T...

Page 120: ...ING READ OUT OF THE PARAMETERS OF ANY DESIRED PARAMETER SET 4HE CHANGE OVER PROCEDURE DESCRIBED HERE IS THEREFORE ONLY VALID FOR READ OUT OF PARAMETERS IN THE DISPLAY HANGE OVER OF THE ACTIVE PARAMETER SET FROM THE OPERATING PANEL OR CHANGE OVER TO A DIFFERENT PARAMETER SET I E IF A DIFFERENT SET SHALL BE ACTIVATED THE ADDRESS BLOCK IS TO BE USED OR THIS CODEWORD ENTRY IS RE QUIRED 4HE BLOCK FOR P...

Page 121: ...CAL BINARY INPUTS ARE AVAILABLE FOR CONTROL OF THE PARAMETER SETS 4HESE BINARY INPUTS ARE DESIGNATED 0ARAM3ELEC O AND 0ARAM3ELEC O 4HE LOGICAL BINARY INPUTS MUST BE ALLOCATED TO PHYSICAL INPUT MODULES REFER 3ECTION IN OR DER TO ALLOW CONTROL N INPUT IS TREATED AS NOT EN ERGIZED WHEN IT IS NOT ASSIGNED TO ANY PHYSICAL IN PUT 4HE CONTROL INPUT SIGNALS MUST BE CONTINUOUSLY PRESENT AS LONG AS THE SELE...

Page 122: ...IRCUITS THE CURRENT TRANSFORMER SECONDARY LEADS IT IS SUFFICIENT TO SET THIS SWITCH TO THE 4EST POSITION 4HE SHORT CIR CUIT SWITCH MUST BE CHECKED BEFOREHAND REFER TO 3ECTION 2 T IS RECOMMENDED THAT THE ACTUAL SETTINGS FOR THE RELAY BE USED FOR THE TESTING PROCEDURE F THESE VAL UES ARE NOT YET AVAILABLE TEST THE RELAY WITH THE FAC TORY SETTINGS N THE FOLLOWING DESCRIPTION OF THE TEST SEQUENCE THE ...

Page 123: ... CURRENT MIXED CURRENT AS IT IS EVALUATED BY THE RELAY 4 FACTOR CAUSED BY THE MODE OF CONNECTION OF THE SUMMATION MIXING TRANSFORMER PAR FACTOR CAUSED BY PARAMETER SETTING 4 EQUALS FOR INJECTION OF THREE PHASE SYMMETRI CAL CURRENTS AND STANDARD CONNECTION ACCORDING TO IGURE WHEN THE RELAY IS DELIVERED PAR EQUALS EITHER 4HE FACTORS 4 ACCORDING TO 4ABLE ARE VALID FOR SINGLE PHASE INJECTED CURRENTS D...

Page 124: ...LIVERY AND ANNUNCIATION ACK EN 4RIP F THE PROTECTION IS SWITCHED THEN THE ASSIGNED TRIP CONTACTS CLOSE T MUST BE NOTED THAT THE SET TIMES ARE PURE DELAY TIMES OPERATING TIMES OF THE MEASUREMENT FUNC TIONS ARE NOT INCLUDED 4ESTING THE DEFINITE TIME OVERCURRENT STAGE OR THIS TEST THE 4 4 MODE MUST BE SE LECTED IN ADDRESSES 4HE CURRENT FACTORS ARE TO BE CONSIDERED 7HEN THE SET VALUE FOR ADDRESS IS EX...

Page 125: ...AR FACTOR CAUSED BY PARAMETER SETTING 4HE FACTORS 4 AND PAR ARE THE SAME AS DEFINED AND EXPLAINED FOR TESTING OF THE DIFFERENTIAL PROTECTION REFER TO 3ECTION 4ABLE AND THE ASSOCIATED FORMULAE 7HEN APPLYING A TEST CURRENT OF 0 DEVICE 4 PAR K TRIPPING MUST NOT OCCUR FTER AN APPROPRIATE TIME APPROXIMATELY X Ç A STEADY STATE TEMPERATURE RISE ACCORDING TO THE FOLLOWING RELATIONSHIP IS ESTAB LISHED K TR...

Page 126: ...F EXTER NAL INSTRUMENTS NSURE THAT THE POLARITY SWITCH IN THE FRONT IS SITUATED IN ONE OF ITS END POSITIONS IRST THE LINE IS STILL SWITCHED OFF AND EARTHED AT BOTH SIDES 4HE DIFFERENTIAL PROTECTION IS SWITCHED TO 42 0 2 ADDRESS OR THE TRIP COMMANDS TO THE CIRCUIT BREAKERS ARE INTERRUPTED 4HE PILOT WIRE MONITOR IF FITTED IS SWITCHED ADDRESS AS ARE THE EXTERNAL LOCAL TRIP FACILITY ADDRESS THE TRANSF...

Page 127: ...NCES MUST BE COMPENSATED AS THEY PRODUCE AN ADDITIONAL DIFFERENTIAL CURRENT EASUR ING OF THE CAPACITANCES IS NOT RECOMMENDED FOR SHORTER LENGTHS SINCE THE RESULT BECOMES INACCURATE FOR SMALLER CAPACITANCE VALUES 4HE CAPACITANCES OF THE PILOT WIRES CAN BE CALCU LATED FROM THE CABLE CHARACTERISTICS OR EVEN BE MEA SURED BY THE RELAY ITSELF 4HE PILOT WIRE PAIR MUST BE CONNECTED TO THE RELAY WHICH SHOU...

Page 128: ...IF A SYSTEM FAULT IS DE TECTED NO MEASUREMENT CAN TAKE PLACE CORRE SPONDING MESSAGE IS DISPLAYED 5 2 2 4 4 3 3 X X N 4HE TOTAL CAPACITANCE OF THE PILOT WIRES IS DISPLAYED WITH A RESOLUTION OF N E G N 4 0 2 2 3 3 SYSTEM FAULT IS IN PROGRESS 4 0 3 3 2 4 4HE INJECTED CURRENT IS TOO SMALL FOR EVALUATION MEASUREMENT IS NOT POSSIBLE FOR DIFFERENT REASON MEASUREMENT IS ABORTED E G BECAUSE OF OCCURRENCE O...

Page 129: ... LOT WIRE RESISTANCE 4HE OPERATION PRINCIPLE OF THE TWO PILOT WIRE DIFFEREN TIAL PROTECTION REQUIRES THE ADJUSTMENT OF THE RATIO BETWEEN THE EXTERNAL PILOT WIRE RESISTANCE 2X AND THE INTERNAL SHUNT RESISTANCE 2B 3 CARRIES OUT THE ADJUSTMENT BY INTERNAL CALCULATION THUS ADDITIONAL RESISTORS ARE NOT NECESSARY OR THIS THE PROTECTION MUST BE INFORMED ABOUT THE PILOT WIRE LOOP RESIS TANCE ADDRESS 2X 4H...

Page 130: ... PERFORM THIS MEASUREMENT ONLY FROM ONE LINE END 4HE REMAINING OF THIS SUB SECTION IS RELEVANT ONLY FOR THREE TERMINAL LINES TEED LINES N THIS CASE THE PILOT WIRE RESISTANCES MUST BE MEASURED FOR BOTH PILOT WIRE PAIRS WHICH ARE CONNECTED AT A CERTAIN STATION 2X ADDRESS IS ALWAYS THE RESISTANCE OF THE PI LOT WIRE LOOP WHICH IS CONNECTED IMMEDIATELY TO THE RELAY UNDER CONSIDERATION I E WITH WHICH TH...

Page 131: ...P RELAY WHICH TRIPS THE LINE CIR CUIT BREAKER T MUST BE EXPECTED THAT THE INTERNAL OVERCURRENT TIME PROTECTION TRIPS WHEN A WRONG CURRENT TRANSFORMER CONNECTION SIMULATES AN IN CREASED MIXED CURRENT WHICH EXCEEDS THE OVER CURRENT THRESHOLD 4HIS IS ALSO APPLICABLE FOR THE OPPOSITE LINE END 4HE DIFFERENTIAL PROTECTION REMAINS BLOCKED AD DRESS 02 4 42 0 2 C 3WITCH OFF THE EARTHING ISOLATORS AT BOTH L...

Page 132: ... FOR THE ACTUAL DIF FERENTIAL PROTECTION AS LONG AS THE CONNECTIONS ARE EQUAL AT BOTH LINE ENDS REFER ALSO TO 3ECTION UT THE SENSITIVITY OF THE PROTECTION DURING DOUBLE EARTH FAULTS DOES NOT CORRESPOND TO THE DESIRED PHASE PREFERENCE WHICH IS ESSENTIAL IN NON EARTHED SYSTEMS INALLY SWITCH OFF THE LINE 4HE CORRECT POLARITY FOR EARTH CURRENTS IS CHECKED WITH MISSING CURRENT ACCORDING TO IGURE FOR ST...

Page 133: ... PILOT WIRE CURRENT A AND THE SHUNT CURRENT B THE CURRENT AT THE OPPOSITE LINE END THE PHASE ANGLE BETWEEN AND AND THE DIFFERENTIAL CURRENT DIFF ARE CALCULATED 4HE RESULTS ARE DISPLAYED IMMEDIATELY 9OU CAN PAGE THROUGH THE VALUES USING THE O KEY OR PAGE BACK USING THE BACKSPACE KEY 2 UT IF A SYSTEM FAULT IS DE TECTED NO MEASUREMENT CAN TAKE PLACE CORRE SPONDING MESSAGE IS DISPLAYED 3 N 4HE LOCAL M...

Page 134: ... PILOT CURRENT IS ZERO WITH THROUGH FLOWING LINE CURRENT COUNTER CHECK IS NEC ESSARY THEREFORE OR THIS THE POLARITY AT THE LOCAL RELAY IS REVERTED BY SWITCHING OVER THE POLARITY REVERTER IN THE FRONT SEE ALSO IGURE MPORTANT NSURE THAT THE POLAR ITY SWITCH IN THE FRONT IS ALWAYS SITUATED AT ONE OF ITS END POSITIONS 4HE CURRENT ANGLE IS NOW AND THE DIFFERENTIAL CURRENT AMOUNTS TO TWICE THE TEST CURR...

Page 135: ...URRENT E G CONTINUE WITH THE O KEY 3 N 4HE MEASURED CURRENT AT THE THIRD LINE END IS DIS PLAYED REFERRED TO THE RATED RELAY CURRENT SHOULD BE IN SIGNIFICANT CONTINUE WITH THE O KEY 3 4HE PHASE DISPLACEMENT BETWEEN THE MEASURED CUR RENTS AT THE LINE ENDS IS DISPLAYED SHOULD BE INDEFINITE BECAUSE CONTINUE WITH THE O KEY 3 N 4HE DIFFERENTIAL CURRENT DIFF IS DISPLAYED REFERRED TO THE RATED RELAY CURRE...

Page 136: ...EN COMPLETED SUCCESSFULLY NO DEVIATIONS SHOULD OCCUR WITH THIS TEST OW THE LINE IS DE ENERGIZED OR THE FOLLOWING TEST CURRENT FLOW MUST BE ACHIEVED FROM TERMINAL TO IN THIS EXAMPLE OR VICE VERSA 4HIS CURRENT SHOULD BE AGAIN AT LEAST RATED LINE CURRENT EASUREMENT OF THE VALUES AND IS NOW STARTED UNDER ADDRESS DDRESS NEED NOT BE CHECKED PROVIDED THE PREVIOUS TESTS HAVE BEEN COMPLETED SUCCESSFULLY 2E...

Page 137: ... CORRECTIONS MUST BE PERFORMED AT THE LINE END WHICH IS ALREADY CHECKED OTHERWISE A COMPLETE RE CHECK OF ALL CONNECTIONS WOULD BECOME NECESSARY OTE THAT THE INDICES OF THE LINE ENDS CHANGE CYCLI CALLY NEGATIVE I E EASUREMENT AT RELAY A INSTEAD OF B LOCAL LINE END INSTEAD OF MEASURED CURRENT OPPOSITE LINE END INSTEAD OF MEASURED CURRENT OPEN LINE END INSTEAD OF MEASURED CURRENT EASUREMENT AT RELAY ...

Page 138: ...FIRM WITH THE 9ES KEY 9 4HE RELAY MEASURES THE RECEIVED SIGNAL LEVEL OF THE PILOT WIRE MONITOR 4HE RELAY DISPLAYS THE RECEIVED SIGNAL LEVEL IN PER CENT OF THE MAXIMUM LEVEL AFTER A FEW SECONDS UT IF A SYSTEM FAULT IS DETECTED NO SIGNAL LEVEL MEASURE MENT CAN TAKE PLACE CORRESPONDING MESSAGE IS DISPLAYED 6 0 6 EASURED RECEPTION LEVEL IN OF THE MAX RECEPTION LEVEL I E FOR PILOT RESISTANCE RESOLUTION...

Page 139: ...CTS ADVISE THE RELAY THROUGH A BINARY INPUT OF THE CIRCUIT BREAKER POSITION THE TEST CAN ONLY BE STARTED WHEN THE CIRCUIT BREAKER IS CLOSED 4HIS ADDITIONAL SECURITY FEATURE SHOULD NOT BE OMITTED WHEN AN EXTERNAL AUTO RE CLOSE RELAY IS PRESENT URING MARSHALLING OF THE BINARY INPUTS REFER TO 3EC TION THE RELAY HAS BEEN INFORMED WHICH BINARY INPUT INDICATES THE CIRCUIT BREAKER POSITION F THE AUXILIAR...

Page 140: ...E LINE FROM ONE END SEVERAL TIMES 4HE DIFFERENTIAL PROTECTION SHOULD BE SWITCHED TO 42 0 2 ADDRESS DURING THESE SWITCHING TESTS IN ORDER TO AVOID TRIPPING 4HE FAULT RECORD IS TRIGGERED VIA A BINARY INPUT AT THE INSTANT OF THE BREAKER CLOSING COMMAND ONCLUSIONS AS TO THE SAFETY MARGIN BETWEEN THE MAXIMUM INRUSH CURRENT AND THE PICK UP VALUES CAN BE DRAWN FROM THE RECORDING OF THE SUMMATION CUR RENT...

Page 141: ...ATE OF THE RELAY CAN BE DISPLAYED SEE BELOW 4HESE VALUES HAD BEEN CHOSEN DURING CONFIGURATION REFER TO 3ECTION UNDER THE ADDRESSES AND 3TORED INDICATIONS ON THE FRONT PLATE SHOULD BE RESET BY PRESSING THE PUSH BUTTON 2 3 4 ON THE FRONT SO THAT FROM THEN ON ONLY REAL FAULTS ARE INDI CATED ROM THAT MOMENT THE MEASURED VALUES OF THE QUIESCENT STATE ARE DISPLAYED URING PUSHING THE 2 3 4 BUTTON THE S O...

Page 142: ...ION BY THE RED LOCKED ON THE FRONT PLATE ROP OFF OF THE AVAILABILITY RELAY SIGNALS EQUIPMENT FAULT 4HE REACTION TO DEFECTS AND INDICATIONS GIVEN BY THE RELAY CAN BE INDIVIDUALLY AND IN CHRONOLOGICAL SE QUENCE READ OFF AS OPERATIONAL ANNUNCIATIONS UNDER THE ADDRESS FOR DEFECT DIAGNOSIS REFER TO 3EC TION F THE RELAY IS CONNECTED TO A LOCAL SUBSTATION AUTO MATION SYSTEM 3 DEFECT INDICATIONS WILL ALSO...

Page 143: ... IS OPERATED WITHOUT A CLOCK MODULE AZARDOUS VOLTAGES CAN BE PRESENT IN THE DEVICE EVEN AFTER DISCONNECTION OF THE SUPPLY VOLTAGE OR AFTER REMOVAL OF THE MODULES FROM THE HOUSING STORAGE CA PACITORS 7ARNING OOSEN THE DRAW OUT MODULE USING THE PULLING AIDS PROVIDED AT THE TOP AND BOTTOM IGURE LECTROSTATIC DISCHARGES VIA THE COMPO NENT CONNECTIONS THE 0 TRACKS OR THE CONNECTING PINS OF THE MODULES M...

Page 144: ...CTED TO THE CORRECT TERMINALS ENERAL DIAGRAMS IN P PENDIX AS THE MINI FUSE IN THE POWER SUPPLY SECTION BLOWN SEE IGURE F APPROPRIATE REPLACE THE FUSE ACCORDING TO 3ECTION F THE RED FAULT INDICATOR LOCKED ON THE FRONT IS ON AND THE GREEN READY REMAINS DARK THE DEVICE HAS RECOGNIZED AN INTERNAL FAULT 2E INITIALIZATION OF THE PROTECTION SYSTEM COULD BE TRIED BY SWITCHING THE PROCESSOR SYSTEM OFF AND ...

Page 145: ...G PINS OF THE MODULES MUST BE AVOIDED UNDER ALL CIRCUMSTANCES BY PRE VIOUSLY TOUCHING AN EARTHED METAL SUR FACE AUTION 0ULL OUT THE MODULE AND PLACE ONTO THE CONDUCTIVE SURFACE 2EMOVE BLOWN FUSE FROM THE HOLDER IGURE IT NEW FUSE INTO THE HOLDER IGURE NSERT DRAW OUT MODULE INTO THE HOUSING ENSURE THAT THE RELEASING LEVER IS PUSHED FULLY TO THE RIGHT BEFORE THE MODULE IS PRESSED IN IGURE IRMLY PUSH ...

Page 146: ...TOP AND BOTTOM 0USH RELEASING LEVER FULLY TO THE RIGHT NSERT MODULE IRMLY PUSH IN THE MODULE USING THE RELEASING LEVER NSERTING THE BASIC MODULE 0ULL OUT BASIC MODULE AND PLACE ONTO CON DUCTIVE SURFACE 6IEW FROM ABOVE ONTO THE SIZE DRAW OUT MODULE WITH RELEASING LEVER IGURE ID FOR REMOVING AND INSERTING THE DRAW OUT MODULE ...

Page 147: ...AN EARTHED METAL SURFACE 4HIS APPLIES EQUALLY FOR THE REPLACEMENT OF REMOVABLE COMPONENTS SUCH AS 02 OR 02 CHIPS OR TRANSPORT AND RE TURNING OF INDIVIDUAL MODULES ELECTROSTATIC PROTECTIVE PACKING MATERIAL MUST BE USED AUTION OMPONENTS AND MODULES ARE NOT ENDANGERED AS LONG AS THEY ARE INSTALLED WITHIN THE RELAY 3HOULD IT BECOME NECESSARY TO EXCHANGE ANY DE VICE OR MODULE THE COMPLETE PARAMETER ASS...

Page 148: ... PPENDIX 3 6 PPENDIX ENERAL DIAGRAMS ONNECTION DIAGRAMS 4ABLES ...

Page 149: ... N D O 4 2 0 E N E R A L A N R E G U N G 2 5 4 4 4 E R T U S 6 4 2 0 3 T R U N G D E R 0 7 2 B 3 5 3 T R O M V E R S O R G U N G 0 7 2 3 5 0 0 9 3 6 U S 4 2 3 4 2 0 I F F B L O D O 4 2 0 0 I N B A U G E H U S E N S C H L U K L E M M E N 5 3 5 4 3 4 2 3 N U R B E I 3 C H A L T T A F E L E I N B A U 5 3 5 4 3 9 I L F S A D E R N A N S C H L U 0 4 7 2 4 2 3 2 B 2 A A IGURE ENERAL DIAGRAM OF LINE DIFF...

Page 150: ...FBAU EH USE 352 5 4 3 2 3 3 3 0 3 3 3 0 3 I N B A U E H U S E M I T 7 O D U L 5 3 5 4 3 7 4 2 0 4 4 2 3 3 U F B A U E H U S E M I T 7 O D U L 3 5 2 5 4 3 7 4 2 0 4 4 2 3 IGURE ENERAL DIAGRAM OF LINE DIFFERENTIAL PROTECTION RELAY 3 SHEET OF ...

Page 151: ... 0ILOT WIRES IGURE 3TANDARD CONNECTION FOR ALL SYSTEMS SUITABLE 4 3 3URFACE MOUNTING LUSH MOUNTING 0ILOT WIRES MUST NOT BE EARTHED NOR PROVIDED WITH SURGE ARREST ERS AUTION 0ILOT WIRES IGURE ONNECTION WITH DECREASED EARTH CURRENT SENSITIVITY PREFERABLY FOR SYSTEMS WITH SOLIDLY EARTHED STAR POINT WITH PARTICULARLY LOW ZERO SEQUENCE IMPEDANCE ...

Page 152: ...OT WIRES IGURE ONNECTION WITH INCREASED EARTH CURRENT SENSITIVITY PREFERABLY FOR SYSTEMS WITH LOW RESISTANCE EARTHED STAR POINT 4 3 3URFACE MOUNTING LUSH MOUNTING 0ILOT WIRES MUST NOT BE EARTHED NOR PROVIDED WITH SURGE ARREST ERS AUTION 0ILOT WIRES IGURE ATCHING OF UNEQUAL PRIMARY RATED CURRENTS EXAMPLE WITH STANDARD CONNECTION ...

Page 153: ... SURGE ARREST ERS AUTION 0ILOT WIRES IGURE ONNECTION TO TWO CURRENT TRANSFORMERS ONLY FOR SYSTEMS WITH ISOLATED OR ARC COM PENSATED STAR POINT 3 3 O NOT EARTH O NOT EARTH 0ILOT WIRES MUST NOT BE EARTHED NOR PROVIDED WITH SURGE ARRESTERS AUTION IGURE ONNECTION EXAMPLE FOR TWO BARRIER TRANSFORMERS 82 ...

Page 154: ...UNTING LUSH MOUNTING 0ILOT WIRES TO STATION 0ILOT WIRES TO STATION 3TATION 0ILOT WIRES MUST NOT BE EARTHED NOR PROVIDED WITH SURGE ARRESTERS AUTION IGURE ONNECTION EXAMPLE FOR ONE END OF A THREE TERMINAL LINE T IS ADVISABLE TO CONNECT ALL LINE ENDS IN THE SAME WAY ...

Page 155: ...CIATIONS MEASURED VALUES ETC ADDRESS BLOCKS TO 4ABLE 2EFERENCE TABLE FOR CONFIGURATION PARAMETERS ADDRESS BLOCKS TO 4ABLE PERATIONAL DEVICE CONTROL FACILITIES ADDRESS BLOCKS TO 4 4HE FOLLOWING TABLES LIST ALL DATA WHICH ARE AVAILABLE IN THE MAXIMUM COMPLEMENT OF THE DEVICE EPEN DENT ON THE ORDERED MODEL ONLY THOSE DATA MAY BE PRESENT WHICH ARE VALID FOR THE INDIVIDUAL VERSION 4 4HE ACTUAL TABLES A...

Page 156: ... 83 95 Parameters are being set CG 97 CA GI p 22 96 Parameter set A is active CG 26 CA GI p 23 97 Parameter set B is active CG 27 CA GI p 24 98 Parameter set C is active CG 28 CA GI p 25 99 Parameter set D is active CG 29 CA GI p 26 110 Annunciations lost buffer overflow C 195 135 130 112 Annunciations for LSA lost C 196 135 131 113 Fault tag lost BT 135 136 140 General internal failure of device ...

Page 157: ...ack up overcurrent Fault det I C 246 62 121 2422 Back up overcurrent Fault det I Ip C 247 62 122 2441 Back up overcurrent Time TI expired C 217 62 141 2442 Back up overcurrent Time TI Tp exp C 218 62 142 2451 Back up overcurrent General trip C 251 BT 62 151 3017 Differential protection is active CG 151 GI 92 17 3022 Diff prot General fault detection CG 3 CA BT p 84 3024 Diff prot Blocked by extern...

Page 158: ...ctive CG O 100 Wrong SW vers Wrong software version C 101 Wrong dev ID Wrong device identification C 110 Annunc lost Annunciations lost buffer overflow C 111 Annu PC lost Annunciations for PC lost C 115 Flt Buff Over Fault annunciation buffer overflow C 120 Oper Ann Inva Operational annunciations invalid CG 121 Flt Ann Inval Fault annunciations invalid CG 123 Stat Buff Inv Statistic annunciation b...

Page 159: ...ck thermal overload protection IOT 1504 O L alarm Thermal O L protection alarm only IOT 1505 O L blo Trip Block trip signal of thermal O L prot IOT 1511 O L Prot off Thermal overload prot is switched off CG OT 1512 O L blocked Thermal overload protection is blocked CG OT 1513 O L active Thermal overload protection is active CG OT 1515 O L Warn I Thermal overload prot Current warning CG OT 1516 O L...

Page 160: ...T 3341 Receiver off Trip receiver is switched off CG OT 3342 Receive block Trip receiver is blocked CG OT 3343 Recv active Trip receiver is active CG OT 3346 Recv Gen Flt Trip receiver General fault detection CG OT 3347 Receiver Trip Trip receiver General trip C OT 3348 Receive recv Trip receiver Trip signal received CG OT 3363 P W M block Block pilot wire monitor IOT 3367 P W M 3 end P wire failu...

Page 161: ...2000 1133 Cx Pilot wire loop capacitance to 2nd line end min 0 nF max 2000 1134 Cy Pilot wire loop capacitance to 3rd line end min 0 nF max 2000 1141 T TRIP Minimum trip command duration min 0 01 s max 32 00 1500 PILOT WIRE DIFF PROTECTION 1501 DIFF PROT State of the differential protection OFF off ON on BLOCK TRIP REL Block trip relay 1503 I DIFF Pick up value of differential current min 0 50 I I...

Page 162: ...35 MAN CLOSE Trip reaction after manual closing of CB INEFFECTIVE Ineffective UNDELAYED Undelayed 1541 INTERTRIP State of the intertrip send function OFF off ON on 1542 T SEND PRO Send signal prolongation for intertrip min 0 00 s max 60 00 1600 PILOT WIRE MONITORING 1601 PILOT MON State of pilot wire monitor function OFF off ON on 1602 STATION Station identification SLAVE Slave MASTER Master 1603 ...

Page 163: ...lay for transfer trip min 0 00 s max 60 00 2203 T SEND PRO Send signal prolongation for transfer trip min 0 00 s max 60 00 2300 TRIP RECEIVER 2301 TRIP RECV State of transfer trip receiver OFF off ON on BLOCK TRIP REL Block trip relay 2302 T RECV DEL Receive signal delay for transfer trip min 0 00 s max 60 00 2303 T RECV PRO Receive signal prol for transf trip receiver min 0 00 s max 60 00 2600 BA...

Page 164: ...MT Tp min 0 50 s max 32 00 2616 RMS FORMAT Method of RMS calculation for IDMT WITHOUT HARMON Without harmonics WITH HARMONICS With harmonics 2621 MAN CLOSE Effective stage after manual closing of CB INEFFECTIVE Ineffective I UNDELAYED I undelayed I Ip UNDELAYED I Ip undelayed 2700 THERMAL OVERLOAD PROT 2701 THERMAL OL State of thermal overload protection OFF off ON on ALARM ONLY Alarm only BLOCK T...

Page 165: ...PERVISION 2901 M V SUPERV State of measured values supervision ON on OFF off 2905 SUM Ithres Summation threshold for current monitoring min 0 05 I In max 2 00 2906 SUM Fact I Factor for current summation monitoring min 0 00 max 0 95 ...

Page 166: ...suring of the pilot wire resistance 4110 MEAS I1 Measuring the local current I1 4120 MEAS I1 I2 Meas local I1 remote I2 and angle I1 I2 4121 MEAS I1 I3 Meas local I1 remote I3 and angle I1 I3 4130 LEVEL P M Meas of receive level pilot wire monitor 4400 CB TEST LIVE TRIP 4404 CB TRIP Circuit breaker trip test 3pole 4900 TEST FAULT RECORDING 4901 FAULT REC Initiation of fault recording ...

Page 167: ...umulated interrupted curr I In 5700 OPERATIONAL MEASURED VALUES 5701 I1 Operat meas station 1 in 5702 I2 Operat meas station 2 in 5703 I3 Operat meas station 3 in 5704 ID Operat meas diff current in 5705 IR Operat meas restr current in 5711 I1 Operat meas station 1 in A 5712 I2 Operat meas station 2 in A 5713 I3 Operat meas station 3 in A 5714 ID Operat meas diff current in A 5715 IR Operat meas r...

Page 168: ...µµµµµµµµµµµµµµ 6000 MARSHALLING 6100 MARSHALLING BINARY INPUTS 6101 BINARY INPUT 1 Binary input 1 6102 BINARY INPUT 2 Binary input 2 6103 BINARY INPUT 3 Binary input 3 6104 BINARY INPUT 4 Binary input 4 6200 MARSHALLING SIGNAL RELAYS 6201 SIGNAL RELAY 1 Signal relay 1 6202 SIGNAL RELAY 2 Signal relay 2 ...

Page 169: ... 3 6 6203 SIGNAL RELAY 3 Signal relay 3 6204 SIGNAL RELAY 4 Signal relay 4 6205 SIGNAL RELAY 5 Signal relay 5 6300 MARSHALLING LED INDICATORS 6301 LED 1 LED 1 6302 LED 2 LED 2 6303 LED 3 LED 3 6304 LED 4 LED 4 ...

Page 170: ...6305 LED 5 LED 5 6306 LED 6 LED 6 6400 MARSHALLING TRIP RELAYS 6401 TRIP RELAY 1 Trip relay 1 6402 TRIP RELAY 2 Trip relay 2 6403 TRIP RELAY 3 Trip relay 3 6404 TRIP RELAY 4 Trip relay 4 7000 OP SYSTEM CONFIGURATION ...

Page 171: ... line 7108 FAULT 2nd L Fault message for 2nd display line 7110 FAULT INDIC Fault indication LED and LCD WITH FAULT DETEC With fault detection WITH TRIP COMM With trip command 7200 PC SYSTEM INTERFACES 7201 DEVICE ADD Device address min 1 max 254 7202 FEEDER ADD Feeder address min 1 max 254 7203 SUBST ADD Substation address min 1 max 254 7208 FUNCT TYPE Function type in accordance with VDEW ZVEI mi...

Page 172: ...r system interface 9600 BAUD 9600 Baud 19200 BAUD 19200 Baud 1200 BAUD 1200 Baud 2400 BAUD 2400 Baud 4800 BAUD 4800 Baud 7226 SYS PARITY Parity and stop bits for system interface VDEW DIGSIV3 LSA VDEW DIGSI V3 LSA NO 2 STOP No parity 2 stopbits NO 1 STOP No parity 1 stopbit 7235 SYS PARAMET Parameterizing via system interface NO no YES yes 7400 FAULT RECORDINGS 7402 INITIATION Initiation of data s...

Page 173: ...XIST Non existent EXIST Existent 7822 TRANSF TRIP Transfer trip NON EXIST Non existent EXIST Existent 7823 TRIP RECV Trip receiver NON EXIST Non existent EXIST Existent 7826 BACK UP O C Back up overcurrent protection NON EXIST Non existent EXIST Existent 7827 THERMAL OL Thermal overload protection NON EXIST Non existent EXIST Existent 7885 PARAM C O Parameter change over NON EXIST Non existent EXI...

Page 174: ...eset of CB operation counters 8205 RESET Reset of the total of interrupted currents 8300 SYS VDEW ANNUNC MEAS VAL 8301 SYS TEST Testing via system interface OFF off ON on 8500 PARAMETER CHANGE OVER 8501 ACTIV PARAM Actual active parameter set 8503 ACTIVATING Activation of parameter set SET A Set a SET B Set b SET C Set c SET D Set d SET BY BIN INPUT Set via binary input SET BY LSA CONTR Set by lsa...

Page 175: ...o set A 8518 COPY Copy parameter set B to set C 8519 COPY Copy parameter set B to set D 8520 COPY Copy parameter set C to set A 8521 COPY Copy parameter set C to set B 8522 COPY Copy parameter set C to set D 8523 COPY Copy parameter set D to set A 8524 COPY Copy parameter set D to set B 8525 COPY Copy parameter set D to set C ...

Page 176: ... 3 6 ...

Page 177: ...Y EPT DDRESS 4ELEPHONE NO EAR READER PRINTING ERRORS CAN NEVER BE ENTIRELY ELIMINATED THEREFORE SHOULD YOU COME ACROSS ANY WHEN READING THIS MANUAL KINDLY ENTER THEM IN THIS FORM TOGETHER WITH ANY COMMENTS OR SUG GESTIONS FOR IMPROVEMENT THAT YOU MAY HAVE ORRECTIONS 3UGGESTIONS ...

Page 178: ...H OUT EXPRESS AUTHORITY FFENDERS ARE LIABLE TO THE PAYMENT OF DAMAGES LL RIGHTS ARE RESERVED IN THE EVENT OF THE GRANT OF A PATENT OR THE REGISTRATION OF A UTILITY MODEL OR DESIGN 3UBJECT TO TECHNICAL ALTERATION 3IEMENS KTIENGESELLSCHAFT 3UBSTANTIAL ALTERATIONS AGAINST PREVIOUS ISSUE RRORS IN 3ECTION IGURE AND 3ECTION IGURE WRONG CONNECTIONS OF MATCHING TRANSFORMER IGURE HAS BEEN CORRECT ...

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Siemens 7SD502, Instruction Manual

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