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GRL100
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FEATURES ��ll��numerica��line protectio��for use �����digitaltelecommunic�tion ��stems, ��cluding net��rks thatemplo��SDH� (Synchronous Digital ���rarch��technolog�Intra-s�stem ��nchro�isation �nd ���������synchronisationGPS-based�synchronisation����������������������������itched telecommunication�net��rks emplo�ing theSDH (Sy�chronous Digital Hierarchy) standard�������split path message �outin��can cause ���antedoperation of tra�ition�l ��fferen�ial protections.Operating time�typically 1 ��cl�Master/master desig�Automatic transmission ��lay compensationCT�ratio correctionApplicable to various ����s such as ����terminal orthree-termin�l ��nes, overhea��lines or �ndergroundcables, etc.Phase-segre���ed differenti�l protectio���ro-sequenc��current differential protection for highresistance eart��faultsCharg����current compensatio�Distance prote�tion ��th �ndependent three for�ardand �ne reverse zoneBackup ��rectional earth fault�command protection�it��for�ard and reverse �ooking elementOvercurrent backup protectionOvervoltage and undervolta���protection�hermal overload protectionStub fault prote�tion for one-�nd-a-h�lf bus�����stem��ansfer trippin�Out-of-step pro�ectionBroken conductor detectionBreaker failure protectio���il-safe overcurrent schem�Autoreclose functionCT�fail detectio�Accurate fault ��catio��using �ll terminal currentsand voltagesConfigura�le ��nar��inputs and outputsProgrammable logic for I/O configuration, alarms,indic�tio�s, recording, etc.Automatic monitoringMetering and ��cording functionsMenu-driven ��er interfacesRS232C port for a local PC �nd RS485 or ��breoptic for a remote PCIRIG-B port for external clockData communication �����sub�tation control andautomation ����ems is supported accor�ing to theIEC 60870-5-103 standard.
APPLICATION GRL100 provides high-speed and �hase-segregated �����differential�pro���tion�for use���th telecommunication ���������
��r telecommunication�systems, dedicated�������������������kbps���lt����xed commun��ation ����������������������links are empl����.
GRL100 system is a maste�/master design��Each terminal ����a differential calculation function and perfor�s arithmetica��operation �ndependentl���nd simultaneousl�.
GRL100 measures the transmission delay�automati�ally�����compe�sates the del���time �ontinuous���to perform correct differenti�l calculation.
�he rela��can be appli���in various �HV/HV net�����configurations.
Overhead lines�or undergrou���cables��o-termina�����three-termina��linesLines ����������or no-infeedSingle or parall�l linesLines �it��he����load currentShort or lon��distance lines
GRL100 provi�es the follo�����protectio��schemes:
Phase-segre���ed current differenti�l protect�on(DIF) provides high ��liabil����and sec�rit��for diversefaults including�single-phase �nd multi-phas��faultsand �ouble-fa��ts on double-c�rcuit lines �nddeveloping faults.��ro-sequenc��current differential protection (DIFG)enables sensiti�e protectio��for hig��impedanceearth faults.Distance prote�tion provides ��ree for�ard �nd on�reverse protection zone for phase and earth �aults.Directional ��rth fault protection provides protectionfor earth fault �����carrier scheme protection�Non-d�rectiona��overcurrent backup protectionprovides both ��verse time overcurrent �nd ��finitetime overcurrent protection for phase fau�ts andearth faults.�hermal overload protection ��ovides protection forcables and ot��r pla�tsStub fault prote�tion for one-�nd-a-h�lf bre����schemeOut-of-step pro�ection performs phase com���isonof the local ����remote voltages and �perat���onl���en the out-of-step loci cross the protected�line.Breaker failure protectio��provides a re-trip��ngand/or ��ckup trippin��functio��for circuit bre�kerfailure.
��r current differenti�l protection, a charging current compe�satio��functio��is provided.
�or through-fault current in�one-and-a-half circuit breake��configurations, a countermeasure for ���saturation is�provided. (Mod�l 503 and 513)
GRL100
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GRL100 can ��ovide high-speed single-shot autoreclose����multi-shot ��toreclose.
GRL100 ��ovides the follo��ng metering�and recording functions:
MeteringFault recordingEvent recordin��ault locationDisturbance recording
GRL100 provides the foll��ing user interfaces for relay setting or vie��ng stored ��ta:�
Relay fro�t panel: LEDs, LCD displ���an�operation �����
Local ��Remote PC
�he rela��can be accessed from a local PC or a remote PC�through communication ��rts.
A local �C can be connected to the rel�y via the RS232C port on the front fascia of the rela���Either �ne or ��o �ear�ports (RS485 ���fibre optic) are provided for connection to ��remote PC and for IEC60870-5-103 communication ��th a substatio��control and ��tomatio����stem. ��rther, Ethernet LAN port (TCP/IP) can be provided.
�able 1 and �able 2 sh�����l of�the functi��s that can be�incorporate��in�GRL100 mod�ls applied to ����termin�l �����and three-ter�inal line or���o termina��line ��th ��al communic�tio���
Table 1: Relay model and function
Model 10X / 11X 20X / 21X 30X / 31 40 �/ 411 501 / 511 503 / 513 70X / 71DI�� � � �� � �ARC 1CB 2CB 1CB 2CB 2CB 1CB/2CB��TFCDI��CCC���ST���������� � �� �� �
Model X0X: �or two-terminal end application �Model X1X: �or three-terminal end application or two-terminal end application ��th dual communication�
Legend DIF�� Phase-segre���ed current differenti�l protect�on DIST: Backup ��stance protectio��DEF� Directional ��rth fault protection ARC: Autoreclose��: �ault detector provided ������ndependent�MPU and trip contact for fail-safe function ���: ��rough-fault ��rrent cou�ter�easure DIFG: ��ro-ph�se cur�ent differenti���protection CCC: Charg����current compensation BF: Breaker failure protectio�OST�� Out-of-step pro�ectionFL: Fault locatorOC/EF� Overcurrent backup protection���M �hermal overload protection BCD Broken conductor detection OV: Overvoltage protectionUV: Underv�ltage ��otection
GRL100
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RELAY FUNCTIONS
Phase-segregated Current DifferentialProtection
GRL100 pro��des high-speed phase-seg�egated curren��������������������������������������������������������� and phase-to-ea�th� faults. ��e phase-segregated current differenti�l protection �hib�ts high ��lectivity and sensitivit��for various ��pes of faults.�It has the percentage ratio differenti�l cha�acteristic as sho�n �����gur��1.
Ir�
5/6DIFI1
Id�
��������erential ����ent������+ ���+ ��|)� ��: ������ining cur�ent�����| �����| �����|)����FI1:�����ing of�small cur�ent �egion ���FI2:��et�ing of�large �ur�ent��egion
Large �urrent�reg�on cha�act�ri��ic (S�ope=1)�
-2DI���
0
�������urrent�reg�on cha�act�ri��ic (S�ope=1/6)�
Operat��g ��ne
���
� �
�����
C
Figure 1 Percentage ratio differential element
�he characteristic is composed of a small current regi���and a ��rge cur�ent region. �hen �he fault current is large, ��large ��tio is emplo����in �he ��rge ��rrent region of the characteristic ��nce it is affected ���CT�saturation.
Since a ��gh ��vel of sensiti�it��can be attaine����th the�current differe��ial relay, it can also ��tect high imp��ance�faults provided that the loa��current is not too large.
Zero-sequence Current DifferentialProtection for High Impedance EarthFaults�(Models 200 through 700)
��ro-sequenc��current differential protection can ��tect high impedance earth faults ��en ��th heavy load ��rrent. It has the perc���age ratio ��fferential �haracteristic sho�n �����gure 2. As the restraining ��rrent is the scalar sum of the�zero-sequence�current at each terminal, the relay sensitivity �������������������load current. �hen�the�zero-sequence��������� ������������� protection operates,� it performs time-del�����three- �hase trippin�.
Ir
5/6DIFG�
Id
���: Diffe��nti�l cu����t (|I��+ ���+ ��|) ������es�raining �urrent�(|I�| + |I�| �����|) �DIFGI: Setting���lue
Slope=1/6
0
��erating �on�
��
� B
�����
C
Figure 2 Zero-phase current differential element
Charging Current Compensation (Models200 through 700)
�hen curren�� differential� protection is applied ���underground��ables�or ����-distance over�ead lines, the�charging curr��t of the lines�cannot be ignored. It appears�as an errone��s differential current in the no-fault conditio��and ����r �ternal fault con�itions. If the charging curren��is included ����in the ��tting,�the fault dete�tion sensitivity deteri�rates for�an internal fault.
���suppress the effect of �he charging current and ���������its high fault detection�sensi�ivi����the GRL100 ���������������current compensation function���ich deriv���the charging�current comp�nent from the �hase current.
�he amplitude of the chargin��current varies �����that of the running ��ltage of the line. �hen the ���ue of chargi���current (DIFIC) at the rated voltage is input, the GRL100�calculates an��compensates��he charg�ng�current at the�running voltage.
�hus, instead�of the phase current Ia, a compensate��curren��I = Ia�- DIFIC�is used for pro�ection ���all terminals.
Dual Communication��ree-terminal application�models have�dual�communicatio��mode. �����nnecting th��remote ter�inal ��th �ual communic�tio��routes, eve�����one of the routes fails, it is�possible to continue sam�ling ��nchro�ization ����protectio������he current differential relay.
��L100 ��L100 CH�
CH�
CH1
CH2
Figure 3 Dual Communication
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Countermeasure for Through- FaultCurrent (Model 503 and 513)
As sho�n in���gure 4, for an �ternal fault on a one-and-a-half busbar ��ste�, a large fault current ���flows through CT���and CT��. If�the saturation levels ��������an��CT�������diffe�ent, an �rroneous differenti�l ������������occur bet��en �A1�and �A2�as a result of CT�saturation.
��is may�cause terminal B to operate incorrectl��if it is a ��ak infeed ter�inal �nd the ��straining current is small.
���cope ��th �he through-fault current, GRL100 �an �����t to ���put tr����ng ���������un��r the ��ndition th���th��differential�pro���tion�operate�����both terminals.
����
����CT���
CT����B1�
�B2�CT��
CT��
�B1+IB2��A1+IA2��B1+IB2�
���+I���
�����
Com�unication
Termina���� Ter�inal �
Faul��
Figure 4 Through-fault current on one-and-a-half busbar system
Stub ProtectionStub protectio��operates for a fault in ��stub zone ���one-and-a-half busbar ��ste�. ��th�the auxiliar��contact of�the line disconnector open, ������he loc�l ter�inal current ���used as the operating ���tit�����settin��the remot��terminal current data to zero.
Transfer Trip FunctionGRL100 prov�des a tra�sfer trip functio����ich rec�ives a trip signal fro��the remote�terminal an��outputs a tri��command. ��o transfer trip commands are�provided. �he sending signal is configured ���PLC function. If the sendin��signal is assigned ���a per �hase���sis �����C,�single-phase trippin��is available.
Out-of-Step Protection (Models 200through 700)
By�transmitting�the phase information ���the ��cal voltage ���the remote terminal, the out-of-step protection can measur��the phase ��fference ��tw�en the terminals �����transmission ��ne. It detects an out-of-step con�ition ���������difference in the phase angle exc���s 180°and trips both terminals.
�he out-of-step protectio��can detect an out-of-step condition even �����a high rate�of slip.
��: Local te��inal �oltage ��: Remot��terminal ��lta�e
0
βzo��
αzone
��
��
Figure 5 Out-of-step protection element
Fail-safe OC/OCD/EFD SchemeGRL100 provides OC, OCD �nd EFD eleme�ts for fail-safe�to preve�t un��nte��operation cause�����error data in�communic�tio��failure. OC is a phase overc�rrent element,�OCD is a phase current change detecti���element, and EFD is a zero-sequence current change ��tection ��eme�t.�
Distance Protection (Model 700)GRL100 provi�es backup distance protectio��scheme to keep reliable ��ne protection �nder ��ss or failure of telecommunic�tion channel. It provides independent three zones for for�ard �nd �ne zone for rev�rse �aults protection. �he characteristics are sho�n in the ��gure 6 and 7. Individ����mea�urement zone�is provided for�phase-fault and ��rth-fault.�
Z1S
Z2S
Z3
Z4S
BFR���
�RRS
Z3�θ�
Z1�θ1 75°�
ZRS�
BFR2��
BF�S
BRLS�
(a) Phase fau�t measu�ing eleme��
Z1G�
Z2��
Z3��
Z4G�
BF��G
BRRG�
Z3�θ�
Z1Gθ1 75°�
ZRG�
BFR�G
BFRG�
BR���
(b) Earth fault element
Figure 6 Mho-based characteristics
GRL100
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Z1S
Z2��
Z3S
Z4��
BFR1��
BR�S
ZRS
BFR2��
BFRS�
BR�S
(a) Phase fau�t measu�ing eleme��
Z1G�
Z2G�
Z3G�
Z4��
BFR1G�
BRR��
ZRG�
BFR2G
BFRG�
BRLG�
(b) Earth fault element
Figure 7 Quadrilateral Characteristics
Directional Earth Fault Protection (Model700)
�he GRL100 provides dir���ional earth fault protectio�. Both for�ard and reverse loo�ing elements are available for�inverse time or�definite time �peration. �he system resid����voltage is used as the polarizing signal.��he residual�voltage is obtained ���direct measureme�t or derive��internall��from the three �hase-to-ne�tral vol�ages.
�he directional�earth fault el��ents have a user selecta����minimum voltage threshold. �
DEF�protectio��using tel�communication ���provided �����for���d �nd reverse looking DEF�element.�
�he characteristics are sho�n in ��gure 8.
-3V�
�ackward DEF
Forward DEF 3I 0
Figure 8 Directional Earth Fault Characteristics
Broken Conductor Protection (Model 700)�he unbalance con�ition �ause��������open circuited conductor ���detecte��by�the �������conductor ������������An unbalance�threshold���th programmab�e ��������������dela��is provi�ed.
Breaker Failure Protection (Models 200through 700)
�hen an overcurrent element remains in operation longer�than a pre-d�termined len�th�of time follo��ng the outp�t of a trip signal the associate��circuit breaker is judged to hav��failed�and ���cent circuit ��eakers can ���tripped as ��back-u��measure.
��o indepen�ent timers are available, one of ��ich can ���used to �ontrol�the RET�IP of the ori�inal cir�uit bre�ker(s).��he second timer is used to control the �����trip of adjac��t circuit breakers��
��r hig�-spe���protection, an overcurre���eleme�t �����high-speed reset time�is used�to ��event a spurious �����������back trip foll��ing a successful trip or re-trip action.
Non-Directional Overcurrent BackupProtection
GRL100 provi�es inverse time�and defi�ite time overcurrent protectio�s for both phase fau�ts and earth faults.
Inverse time overcurrent protection �onsi�ts of an IDMT�(inverse defi�ite minimum time) element. IDMT�is availab�e ���������������������������������������standard characteristi���(Standard�inverse, Very�inverse and � trem����inverse) or a Long-time inv�rse. �he characteristics of each IDMT�are sho�n �����gure 9.
�he IDMT�element has a reset feature �����definite time�reset.
If the reset time is set to ��stantaneous, th���no ��tenti�����dela��is �����. As soon ���the energ�sing current falls belo��the reset threshold, the element returns to its reset condition.
If the reset time is set to�some value in ��con�s, then an�intentional del���is �dded to the reset period. If the energising current exceeds the setting for a transient perio�����hout causi�g tripping, the��resettin��is�dela����for a user-defi���le�period. �����the energis�ng current falls belo��the reset threshold, �he integral state (the point�to��rds �peration that it has ��avelled) of th��timing function�(IDMT��is held for that period.�
��is does not apply follo�����a trip operation, in ��ich cas��resetting is �����s ��stanta��ous.
Definite tim��overcurrent protection is enable�����the�instantaneous overcurrent el��ent and ��ckup-del���timer.
��ipping ������h eleme�t can be disable�����the scheme���itches, an��overcurrent backup protection �an ���blocked ���a binar��input signal.
�he definite time earth fau�t eleme�t (EF��can be �onfigured�to issue either an alarm and/o��trip signal.
Overvoltage and Undervoltage Protection(Model 700)
GRL100 (Model 700) pro�ides ��o-st�ge overvolta���protectio�s for�both �hase-to-ph�se voltage �nput ����phase-to-ne�tral voltage ����t. �he first stage can be set fo��inverse tim��or definite tim��operation, �nd the ��con��stage set for ��finite time operation. In total��therefore, the�
GRL100
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GRL100 provi�es four independent overvoltage thresholds.
�he GRL100 also provides four ind��end��t underv�ltag��thresho�ds ���������stage undervoltage protectio��for�phase-to-ph����voltage input and ��o-stage underv�ltag��protectio�� for� phase-to-ne�tral voltage� inp�t. �he �������������������������������������������� undervo�tage blocking functio��to prevent undervoltage ���������������������of a dead ����.
Figure 9 IDMT operating time characteristics
Thermal Overload Protection (Model 100,200, 300 and 700)
�he thermal overloa��feature provides prote�tion for �������and other plant against the �ffects ���prolonged operation�under exc�ss load con�itions. A thermal repli�a algorithm ���applied to create a mod�l for the thermal characteristics ���the protected plant. ��ipping�times depend�not only ���th��level of overl�ad current, but also on the level of prior loa��current, the thermal replica ��oviding ‘memory’ of previou��conditions.
�he thermal characteristics of�the system�are define�����
entering settin�s for full load current and�thermal time constant. �he GRL100 issu���a trip accord�ng to the ‘cold �and ‘hot’ ��rve��specified �����C60255-8 (se� �igure�10),�to prevent the protected ��stem�from exce��ing its thermal capacity. �he cold curve tripp�ng times are applicable �����the ��stem is�first energ�sed, ��ile the�hot curves are relevant �����the ��stem ��s already �����carr��ng some�prior �oad for a period of time. An alarm�output is �����available to give ear����arning of ������������rr�����se���������rcentage�of therma��capacity.
�hermal overload protectio��is not provi�ed ��th model 400series �nd 500series.
IEC60255-8 Thermal Characteristics
Thermal Curves (Cold Curve- no prior load)
0.01
0.�
�
10
100
�000
1 1�
Overload Current (Multiple of k.IFLC)
Ope
rate
Tim
e (m
inut
es)
τ=1
τ=2
τ=5
τ=1�
τ=2�
τ=5�
τ�100
Thermal Curves (Hot Curve -90% prior load)
0.�01
0.��
0.�
�
10
10�
1000
1 1�
Overload Current (Multiple of k.IFLC)
Ope
rate
Tim
e (m
inut
es)
τ=100
τ=5�
τ=2�
τ=1�
τ=5
τ=2
τ=1
( ) ⎥⎦
⎤⎢⎣
⎡
−= 22
2
..
FLCIkIILnt τ �
( ) ⎥⎦
⎤⎢⎣
⎡
−−
= 22
22
..
FLC
P
IkIIILnt τ
IE�602�5-8 ‘C��d’ Curv� ��C60255����ot���rv��
t ����me �o trip for constant�overload current�I (seconds)�I ��overload current (lar���t phase current) (pu) ���� p�evious loa� c�rrent (pu)�k.�FL��(or��θ) = thermal ov��load ��rrent��etting (pu)�τ����hermal ��me �on���nt�(secon��) Ln ��natural log��ith��
Figure 10 IEC60255-8 Thermal characteristics
Autoreclose (Models 200 through 700)Most faults on HV and EHV overhead transmissio��line��are transient faults, ��ich are remove��follo��ng lin��de-energ�zatio�. After a short time, the hot gases ��spers��and the air de-ionizes. After clearing the fault ���������������the fault ��c, reclosing can ���performed. GRL100 provides ��o autoreclose scheme�, single-shot ����������������multi-shot ��toreclose.
Single-shot autorecloseSingle-shot reclosing can ����ide any�of four auto�eclose modes; sin���-ph�se auto�eclose, three-phase auto��reclose, sing��-an��three-�hase autorec��se �nd multi- phase autorec��se.
In the single-phase autoreclose mode, onl��a faulted phas��is tripped, and�then reclosed�if a single-phase earth fault�occurs.
In the three-p��se autoreclos��mode, all three phases ar��
GRL100
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tripped, and then reclose���egard�ess of the fault mod�����eth�r a si��le-phase fault or a multi-phase fault ha��occurred.
In the single-�and three-�hase ��toreclose mod�, the single-phase is�reclose��if a single-phase is tripped and th��three phases ��e reclose��if three �hases are tripped.
Multi-shot autorecloseIn a multi-shot�autorecl�se, tw���to four-sh�t reclosing ca��be selected. �he first shot is selected from�an��of ���������autoreclose�modes available����the�single-shot ������������scheme.
If reclosing ���the first shot fails, three-p���e trippin��and�reclosing is ���lied for the second to fourth shots.
Synchronism check��r the correct operation of�three-phase autoreclos���voltage and ��nchro�ism check are ��cessar�. ����characteristics�of the ��nchronism check element ar��sho�n ����igure 11.
����Line �ol�age ����Bus�ar ����age �Synchroni������chec��angle
θ�
θ
���
���
0 �eg
�perat��g �one
OV�
UV�
Figure 11 Synchronism check element
A detected sli����cle is ��ter�ined ���the follo�����equation:
��ere,
f: slip ��cleθ: ��nchro�ism check angle setting �SYN: ��nchro�ism check timer setting
One-and-a-half busbar system (Model 300,Model 500, Model 700)
GRL100 perf�rms ����bre�ker ��toreclose ���a �����and-a-half breaker configuration.
Single-shot autoreclos��is only avail��le ���Models�300, �00,�and �00. Sin�le-phase autoreclos�, three-phase auto-����������single and three-phase autoreclose or multi- phase�autoreclose can be applied to�the ��o circu�t breakers. �he autoreclose scheme is different depending ���the reclosi���mode.
Fault Detector (Models 400 through 500)��r ultra-criti�al �pplications, �here ��curit��is th��over-riding �oncern and a ��o-out-�f-t�o tripping phil�sophy is�specified, GRL100 �an be provide���it�����independent fault detector. ��is�fau�t detect�r conta�ns its���n mai��processing ��it (MPU) and trip contacts. �he trip contacts of the�main protecti���are connected in series ��th�the fault detect�r trip contacts�to ensure ����letel����il-s�fe operation.
�he fault detector inc�rporates the follo��ng ��x fault�detectio��elements.
Multi-lev�l overcurrent elemen�Current change detectio��el��entEarth fault overcurrent elemen�Underv�ltage ��ement for eart��fault detecti��Underv�ltage ��ement for ph��e fault detectionUnderv�ltage �hange detectio��element
Interfaces with TelecommunicationSystems
Current data sampled at the local terminal�is tra�smitted��������remote terminal(s) via the telecommunication system.
GRL100 can����provided �ith the�follo�ing interface(s) ����linked to a dedicated optical�fibre commun�cation circuit ���multipl�xed communication circuit (multipl�xer) sho�n �����gure ��.
�he electrical interface supports CCITT G70�-1.2.1, -1.2.2,�-1.2.3, X.21(R�530) and RS422. ��isted ��ir cable is use�for connecting the relay �nd multip��xer. In the case of anoptical link via a multiplexer, �he optical ��terface unit G1IF�(optical to electrical converter��is required for connectin��tothe multiplexer. �he electri�al interfac��bet��en th�converter �nd the multi�lexer supports CCIT��G703 -1.2.1,-1.2.2, -1.2.3, and X.21(RS530).
f = 180°×TSYN
θ
GRL100
�
b) �ptical�interfa�e using multiplexer
�lti- ple er
Op����l I/F Uni��
G1I�1
��L100���t. I/F
CCIT�-G7��. ITUT�.21 Bit rat�: 64kbps
�I ���. Fibre�< ������L, �4kbps
��L100�Elec. I/F
c) Electri�al interface�using multiplexer
Mu�����plex���
��isted pair ��re ��IT���703. IT��-X�21 ��t rate:�64kbps
a) �ptical interface
��L100���t. I/F
��tical ��bre 64kbps
��pt�on)�
Figure 12 Telecommunication system
METERING AND RECORDING
Metering and Monitoring�he ��llo��ng po��r ��stem data is measured cont�nuousl��and can �e displayed on �he LCD on �he rel����ascia,�at�����local PC,��nd �he remot��PC.�
Local and rem������rminal currents (phase,�phase ��phase,���mmet�ical componen���Dif��rent��l current�and restra����currentVoltages (phase,�phase ������se,���mmet�icalcomponents)Voltage phase dif��rent��l bet��en both ����inals of�he ��ansmissi���lineActive po��r �nd reactiv��po�����equenc�Data�tra��missio��delay�time
Currents,�volt�ges and dif��rential current�can be indicat�d as primary or ��condary val������Active po��r and reactive ����r are indicat�d ���primar����lu����
�he user can monit�r �he ������in��out�����nd status on ��e LCD and at�loc�l/remot��PCs�
�Relay eleme���output�Binar��inp���utput�CB status
Event Record�he most recent�480 �ime-tagged eve����are stored �it��1ms resolut�on.�Events recorded are as ���lo����
��ipping and reclosin�AlarmsChange of�bina���input�signalChange of�rel�y set����Relay �ai�ure
Fault RecordA relay ��ip initiat�s �ault�rec�rding.��ime-tagged �ault�dat��can be store����r �he 8 most�recent��ault����ault�record�items are as ������s.�
�Dat��and �im���aulted phas��Phases ��ipp�����ipping mo���Fa��t location�Pre-fault�and post��ault�current�and volt�ge data (ph�se,phase ���phase,���mmet�ical components)�Aut�reclose �perat�on
Fault Location�ault�locatio��is initiated �it��operation�of��he current�dif��rent��l protection.�
�he �ault�locat�r measures �he distance ����ault�on ����protected ��ne utilizing ��th �he loc�l and remote current ��voltages.����pri�ciple,���is me�hod of�measu�ement�is �������om �he errors �hat�are inhere����it���he standard�impedance measuring met����normal���emplo�����
�ault�locat�on ���indic��ed ���km and % ��r ��e ���le lengt��of��he protect�d line.��he result�of��ault���ca�ion calculation�is stored as ���lt�record data.�
Disturbance Record�he relay ca��record 19 �nalo��signals and 32 bin����signals. ����disturbance�recorder is initiat������operation ����he overcurre���element��undervoltage el��ent�or relay trip��ng.
���respect����analog data,��he ��cal�phase current�and voltage,�remot��phase current�and �he loc�l and rem����zero sequenc��current�are rec�rde���
Pre-fault�recording �im��is��ixed at�300ms,�post��aul��recording �ime can be ������om 100ms ���3s���he maximu��numb�r of�stored ��cords�depends�on��he ��st-fault�recording �im�������he case of�a post����lt�recording �ime of�500ms,�up ���20 disturbance�records can be stored.�����record numb���of��he rec�rded �����is dis�layed �������LCD.
Calendar and Time�he calendar and �ime are provided ��r ��me-tagging of�recorde�� ������ ��nchro���ation ����� GPS (Globa��Positio�ing ��stem) is achieved via �he ����-B port��
GRL100
10
USER INTERFACE
Relay Front Panel�he rela����ont�panel incorporates �he ��llo��ng user�int�rfaces.�Set�ing �he relay and vie���g stored data are possible using �he �iquid�Cr����l Dis�lay (LCD) an��operation keys.�
�40 charact�r,�4 line LCD �it��back light�8 Light�Emit��ng Diodes (LE�) inclu�ing ��hat�are conf�gura�le
�Operation keys�RS232C port�Monitoring jacks
��gure �3 sho����he �elay ���nt�panel.�
�he �ollo���g items can be ���played on ��e LCD.�
�Settin��Metering�Event records�Fault records��he number of�disturbance records�Fa��t location�An����ilure ��ssag��detect�d �����e automatic
supervisio�
Figure 13 Relay front panel
Pass��rd ������ti���ca��������������fro��th��setting�menu ������������������������������������������������� changes.�After �he�passw��d has been set, �he�pass�ord ��������entere�����access �he set�ing menu ��om ��local or remot��PC as ��ll as on �he LCD.�
�he con�ents ���me��ring, �ault records,�and�rel�����ilures ����be monit�red ���pressin���he VIEW�key���he VIEW�key�ca��be pressed �ithout�removing �he relay ��ont�cover.�
Arbit�ar���ignals can ���assigned ����he �our user�configurable ��Ds.�
��o monitori���jacks are operable �����the test mode is select���in �he LCD ��ndo���
An oscillosco���can be co�nected �������relay ��rough �hese�jacks. Selection����output signals on��he�monitoring��cks can be set�������he LCD menu.�
Local PC�he user can communic�����it���he GRL100 ��om a local�PC via ��e RS232C�port�����he rel�y ��sci����he ��llo�����data can ���vie����or analysed�on ����local �C �it��RSM100 ������re.�
�Settin��Metering�Event�& �ault�records�Disturbance records�Fa��t location
Relay Setting and Monitoring (RSM)GRL100 can ���connected ����he RSM ��st���via �he RS485 int�rface at��he rear of��he relay.���he user can operate �he rel�����om a rem����PC in �he same ����as fro����local PC.
�igure ���sho����he �onfiguration of��he RSM ��stem via �he protocol convert�r G1PR2�(option).�
A maxim�m of�32 rel�ys can ���connected ����he remot��PC in multi-dr���mode,�via ��e protocol convert�r.�
�he RSM100 sof������is use�����access ����he relay �nd ���vie��or �nalyze disturbance ��cords ����he remot��PC.�
�he data ��ansmission rat��be���en relays �nd �he protocol�convert�r is ���bps.�
PROTOCOL CONVERTER
G1PR2
Protocol converter
Figure 14 Relay setting and monitoring system
IEC60870-5-103 Communication
����rel���can�support �he�IEC60870-5-103�communication�
protocol.���is protocol is mainl��used ��en ��e rel�y
communic���s �it��a control system �nd is ��ed �����ansf���
�he measurand data,�status�data and general ��mman��
��om �he relay ����he control �ystem.�
Relay Setting�he user can�input�or change ��e set��ngs using ����operation ��ys�on �he relay �ascia or ��a a �ocal or �emot��PC �it���he RSM100 sof�������
Pass��rd protection is provided ���change ����ings.�
Eight�active ����ing groups are provided.���is allo�����e
GRL100
11
user ���set�one group ��r normal operating condit�ons ��il��other groups ma��be �������cover alt�rnative �perat����condit�ons.�
Configurable Binary Output ContactsGRL100 is pro�ided �����������37 (non ���lt�detect�r model),�or 31 ��ith �aul��detect�r model) user conf��urable normally open output�contact��used ��r indic��ion �nd alarm.�����numb�r of�out�����varies according ����he re����model.�
Configurable Binary InputsGRL100 is pr��ided��it��18 ���31 user configura����binary inputs.�
�he number of�inputs varies �ccording �������rela������l.�
�he binar��input�circuit��are provided �it��a logic leve��inversion �unct�on.�
PLC FunctionGRL100 is provide���it����PLC (Programmable �ogic�Control) �unction allo��ng�user-configurable sequenc��logics ���binary signals.��onfigura����bin����inputs,�bin����outputs and LEDs are pro�rammed ����he ��C �unctio���
AUTOMATIC SUPERVISION
Automatic Monitoring Function�he automatic monit�ring �unction �ill detect���ilures��should �hey�occur, �ha��might cause�un�anted operat��n. �he items monit�red ��clude �he ��ll���ng:�
�Analo��inp���circuit��Dif��rential ��rrent�Analo�-to-digi��l convert�������h Dog ��mer�Binar��out����circuit��DC po��r supply�circuits�CPU���lecommunication circuit���nchronisat�on control circuit�Relay �ddress monit�rin�
Alarms����he unlikely event��hat�a rela����ilure sho����occur,���is is detected ���au��matic monit�ring �nd �he ��D ALARM on��he relay ��scia is illuminated��A binar������AY ����URE” output�is simul�aneousl��operated and �he �ate/��me of�any such ��ilure ��uld ���stored ����he event�rec�rd.�
PC DISPLAY
Fault record�
Metering�
Waveform data analysis�
Vect���diagra�
GRL100
12
TECHNICAL DATA
Ratings AC current���: 1A or 5A AC voltage 100V,�110V,��15V,�120V ��equenc��� 50Hz or ��Hz�DC po��r sup���: 110Vdc/���Vdc (Operative range:�88 - �50Vdc)
220Vdc/���Vdc (Operative range:�176 - 300Vdc) 48Vdc/�4Vdc/�0Vdc (Operative range:�38.4 - 72Vdc)
AC ripple on �C supply ����0255-11 maximum 12��DC supp���int�rruption �����255-11 �Permissiv��durat�on of��C supply ��lt�ge int�rrupt�on ���maint����norm�l operation:�
����Restart time: up ���50ms at�110V less �han ����
Binary input�cir�uit�DC volt�ge�� 110/�25Vdc 220/�50Vdc 48/54/��Vdc
Overload Ratings AC curre���input
AC voltage inp���
4 �imes rated �ontinuous 100 �imes rat�d ��r 1s 2 �imes rated �ontinuous
Burden AC curre���input 0.2VA per ph��e (at�rated 5A)
0.4 VA at�zero-sequence circ�it�(at�rated 5A) 0.1VA per ph��e (at�rated 1A) 0.3 VA at�zero-sequence circ�it�(at�rated 1A)
AC voltage inp��� 0.1VA (at�rat���voltage) DC po��r sup���: less �han16W�(quiescent)
less �han ����(operat�on) Binary input�cir�uit�� ≤�0.5W�per inp���at�110Vdc Phase-segregated Current Differential Protection�DIFI1�(Small curre���regio��� 0.10 ���2.00A ���0.01A steps ��A relay)
0.50 ���10.��A in 0.01A steps (5A relay) DIFI2�(L�����curre�t regio��� 0.6 ���24.0A in 0.1A steps (1A�relay)
3.0 ���120.0A ���0.1A steps (5A relay) Operating time less than 1 ����e at 300% of DIFI1 Resetting�time less �han �10ms (for ��ipping ���put)
less �han ��ms�(for signal ���put) Zero-sequence Current Differential Protection for high-resistance earth�DIFGI 0.05 ���1.00A ���0.01A steps ��A relay)
0.25 ���5.00A ���0.01A steps ��A relay) �imer 0.00 ���10.��s in 0.01s steps�Operating �ime� less �han ��ms�Reset�in���ime� less �han �00ms Charging Current Compensation DIFIC 0.00 ���1.00A ���0.01A steps ��A relay)
0.00 ���5.00A ���0.01A steps ��A relay) Differential Current Supervision DIFSV 0.05 ���2.00A ���0.01A steps ��A relay)
0.25 ���10.��A in 0.01A steps (5A relay) �imer 0 ���60s in 1s ��eps Out-of-step protection Out�of-step ��ip OF���������BO(separat�����om other ��ip signals)
GRL100
13
Telecommunication Interface for current differential protection Bit�rat�� 64kbs ��ansmission ��rmat� ��C60870-5-��Elect�ical ����rface (Telecomm.�equipment�link) ��Applicable standard
����pe of�code���Connect�r ��pe
CCI��-G703-1�2.1 CCI��-G703-1�2.2 or 1.2.3 X.��NRZ (No��Return�to�Zero) D-sub connect��
Optical interface (2 km class) ����pe of���bre���Connect�r ��pe ��Wave�length ��Optical tra��mitter ��Optical receiver
Graded-i����multi-mod��50/125μm or 62.5/125μm ST type�820nm ��D, more�than�−19dBm(50/125μm), −16dBm(62.5/125μm) PIN diode,�less��han −24dBm�
Optical interface (30 km class)�����pe of���bre���Connect�r ��pe ��Wave�length ��Optical tra��mitter ��Optical receiver
Single mod����125μm Dupl��LC 1310nm Laser,�more ��an −�3dBm PIN diode,�less��han −30dBm�
Optical interface (80 km class)�����pe of���bre���Connect�r ��pe ��Wave�length ��Optical tra��mitter ��Optical receiver
DSF�8/125μm Dupl��LC 1550nm Laser,�more ��an −5dBm PIN diode,�less��han −34dBm�
Phase Fault Distance Measuring Element Z1S, Z2S
��S,���S and ��S
�Charact�ristic�angle
0.10 �o 250.00Ω�in 0.01Ω�steps (1A relay) 0.01 �o 50.��Ω�in 0.01Ω�steps�(5A relay��0.1 �o 250.�Ω�in����Ω�steps ��A relay) 0.01 �o 50.�0 �n 0.01Ω�steps (5A relay��45° to 9�°�in �°�steps
��S and ��S ����et�
Blinder (BFR1S, BFR2S, BFRS, BRRS)
��BRLS:�Link����it��BRRS Charact�ristic angle (BF�1S,���2S,���S,BRRS)Charact�ristic angle (BF�S)�
7.��fixed (1A relay��1.��fixed (5A relay��0.1 �o 250.��in�����steps ��A relay) 0.01 �o 50.�0 �n 0.01�steps (5A relay��
75°�fixe��90° to 1��°�
Earth Fault Distance Measuring Element�Z1G, Z2G
Z3G, ZRG�����Z4G
Charact�ristic angle
0.10 �o 250.00Ω�in 0.01Ω�steps (1A relay) 0.01 �o 50.��Ω�in 0.01Ω�steps�(5A relay��0.1 �o 500.�Ω�in����Ω�steps ��A relay) 0.01 �o 100.00 in 0.01Ω�steps (5A relay) 45° to 9�°�in �°�steps
Blinder (BFR1G, BFR2G, ��RG, BRRG)
�BRLG:�Linke�������BRRG Charact�ristic angle (BFR1�,BFR2�,BFRG,BRR�) Charact�ristic angle (BF�G)
0.5 �o 100.��in�����steps ��A relay) 0.10 �o 20.���in 0.01�steps�(5A relay��
75°�fixe��90° to 1��°�
Time Setting for Zone Protection ��me�settin�����Z1S, Z2S, Z3S, ZRS, Z1G, Z2G, Z3G,�ZRG
0.00 ���10.��s in 0.01s steps�
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14
Minimum Operating Current of Distance Protection Current� 0.08A (1A rel�y),�0.4A (5A rel����Residual Current Compensation Residual ��rrent�compensation ��r reactance�eleme����f Z1G, Z2�, ��G Earth ret�rn compensation Mutual coupling compe�satio��(ZRG exclu�ed)
Adjusta�le as ��llo�s:
0 ���1000% in 1% steps 0 ���1000% in 1% steps
Command Protection Coordin��ion ��me ��r BOP scheme 0 ���50ms in ��s steps Operating and Resetting Time of Distance Measuring Element ��pic�l �perat�ng �ime Resetting�time
20ms Less �han �����(for ��ipping ���put) Less �han �����(for signal ���put)
Power Swing Blocking Detection zone (PSBZS, PSBZG)
Detection�time
2.5 �o 75.��in�0.1�steps (1A relay) 0.50 �o 15.�0 �n 0.01�steps (5A relay��20 ���60ms in 1ms steps
Phase Selection Element Underv�lt������pedance
Charact�ristic angle Residual ��rrent�compensation
10 ���60V ������steps 0.0 �o 250.�Ω�in����Ω�steps ��A relay) 0.0 �o 50.�Ω�in�0.1Ω�steps (5A relay) 45° to 9�°�in �°�steps Automatically�set �ccordin��to resid����curren��compe�satio��set�ing of�reactance �leme���
Weak Infeed and Echo Protection Phase-t��phase undervolt����eleme���Phase-t��eart��underv�ltage eleme���
50 ���100V in ���steps 10 ���60V ������steps
Directional Earth Fault Protection�
Charact�ristic angle Polarising ��lt�ge (3V0) ��ro-sequenc��current�(3I�)
�ime ��r backup ��ip
0 �o 90°�in �°�st����(3I0�lag��for −3V0) 1.7 ���21.0V in 0.1V steps 0.10 ���1.00A ���0.01A in 0.01A steps (1A rel����0.5 ���5.0A in ��1A steps (5A relay) 0.00 ���10.��s in 0.01s steps�
Directional Earth Fault Command Protection��ime ��r dela�ed ��ip Coordin��ion ��me
0.00 ���0.30s ���0.01s steps�0 ���50ms in ��s steps
Inverse Time Overcurrent Protection�OCI�(for phase��ault�protectio�)
��OCI time multiplier ��OCI�charact�ristic ��Reset time�delay�
0.10 ���5.00A ���0.01A steps ��A relay) 0.5 ���25.0A in 0.1A steps (5A�relay) 0.05 �o 1.00 �n 0.01 steps Standard �Very �Ext�emel���Long-time inv�rse 0.0 ���10.0s in 0.1s steps
EF��(for eart��fault�protect�on)�
��EFI time multiplier ��EF��charact�ristic ��Reset time�delay�
0.10 ���1.00A ���0.01A steps ��A relay) �0.5 ���5.0A in ��1A steps (5A relay) 0.05 �o 1.00 �n 0.01 steps Standard �Very �Ext�emel���Long-time inv�rse 0.0 ���10.0s in 0.1s steps
Definite Time Overcurrent Protection OC (for phase �ault�protectio���
��OC time����ay�
0.1 ���20.0A in 0.1A steps (1A�relay) 0.5 ���100.0A ���0.1A steps (5A relay) 0.00 ���10.��s in 0.01s steps�
EF�(for eart���ault�protect���)
��EF time����ay�
0.10 ���1.00A ���0.01A steps ��A relay) 0.5 ���5.0A in ��1A steps (5A relay) 0.00 ���10.��s in 0.01s steps�
GRL100
15
Overvoltage Protection Phase-t��phase element�(OVS) �st, 2nd�Overvoltage ��reshold���Delay �����(1st���reshold on�����IDMT����me��ltiplier Setting � S: DTL dela���Dropout��Pickup ratio:�
OF���5.0 – 150��V in 0.1V st��s �DTL,���MTL 0.05 - 100.00 ���0.01 steps ��st��0.01 - 300�00s in 0.01s steps 10 ���98% ������steps
Phase-t��eart��eleme���(OVG) �st, 2nd�Overvoltage ��reshold���Delay �����(1st���reshold on�����IDMT����me��ltiplier Setting � S: DTL dela���Dropout��Pickup ratio:�
OF���5.0 – 150��V in 0.1V st��s �DTL,���MTL 0.05 - 100.00 ���0.01 steps ��st��0.01 - 300�00s in 0.01s steps 10 ���98% ������steps
Undervoltage Protection Phase-t��phase element�(UV�) �st, 2nd�Undervoltage ��resho�ds:�Delay �����(1st���reshold on�����IDMT����me��ltiplier Setting � S: DTL dela���Underv�lt�ge �lock ��reshold:�
OF���5.0 – 150��V in 0.1V st��s �DTL,���MTL 0.05 - 100.00 ���0.01 steps ��st��0.01 - 300�00s in 0.01s steps 5.0 ���20.0V in 1V steps
Phase-t��eart��eleme���(UVG) �st, 2nd�Undervoltage ��resho�ds:�Delay �����(1st���reshold on�����IDMT����me��ltiplier Setting � S: DTL dela���Underv�lt�ge �lock ��reshold:�
OF���5.0 – 150��V in 0.1V st��s �DTL,���MTL 0.05 - 100.00 ���0.01 steps ��st��0.01 - 300�00s in 0.01s steps 5.0 ���20.0V in 1V steps
Thermal Overload Protection �hermal set�ing (THM ��k.IFLC)
�ime constant��τ) �hermal alarm�Pre-loa��current�set�ing
OF���0.40 – 2.00A in 0.��A steps (1A ratin���OF���2.0 – 10.0A in 0.1A steps (5A rating) 0.5 – 300.0mins in 0.1min st��s OFF,�����to�����in�1%�ste�s 0.00 – 1.��A in�0.01A steps (1A rating) 0.0 – 5.0A in 0.1A steps (5A rating)
Switch-on-to-fault and Stub Protection Overcurrent� 0.4 ���3.0A in ��1A steps (1A relay)
2.0 ���15.0A in 0.1A steps (5A�relay) Broken Conductor Detection Broken conduc��r ��reshold (I�/I�): DTL dela���
OF���0.10 - 1.00 in 0.01 st����0.00 ���300.00s in 0.01s steps
Breaker Failure (BF) Protection�Overcurrent�element�
R�����BF��imer ��r retr����ip of���iled circuit�breaker�BF��imer ��r adjacent�circuit�breaker ��ippin��Operating �ime�of�overcurrent�eleme���Reset�in���ime of�overcurrent�eleme���
0.1 ���2.0A in ��1A steps (1A relay) 0.5 ���10.0A in 0.1A steps (5A�relay) less �han ��% of�operat�ng value 50 ���500ms ���1ms steps 50 ���500ms ���1ms steps less �han ��ms�at�50Hz or 17ms at�60Hz less �han ��ms�at�50Hz or 13ms at�60Hz
GRL100
16
Accuracy Current�dif����ntial protection:�pick-up ±5% �±7%����I <�0.�×In) Distance �easuring element�Static accurac��Static angle accurac����ansient�overreach
±5% �nder SI��<�30,��±10% under 30 <�SIR <�50 ±�°�+5%
��verse ��me overcurrent�chara���ristics ±������30ms(1.5�to����times settin��Definit���ime ��ercurrent�protection:�pick-up� ±5%Overcurrent�element���r BF��pick-up ±5%Autoreclose function Number of�sh��s 1 ���4 shots ��mer settin�s �Dead �im����r single-phase autoreclose �Dead �im����r ��ree-phase ����reclose �Multi-shot���ad line �ime
��Multi-sh���reset time���Reclaim time �Pulse ��dth of�reclosing signal ���put�
��Autoreclo���reset time��Reset��ime ��r developing �ault�
0.01 ���10.��s in 0.01s steps�0.01 ���100.00s in 0.01s steps 5.0 ���300.0s ���0.1s steps 5.0 ���300.0s ���0.1s steps 5 ���300s in 1s steps 0.1 ���10.0s in 0.1s steps 0.01 ���100.00s in 0.01s steps 0.01 ���10.��s in 0.01s steps�
One-and-a-h�lf�breaker ��st�����llo��r breaker autoreclose dela���im�� 0.1 ���10.0s in 0.1s steps
Voltage and ��nchro�ism check eleme�������nchro�ism�check angle ��UV eleme�����OV element��Busbar or li���dead check��Busbar or li���live check
����nchro�ism�check ��me ��Voltage check �ime
�° to 7�°�in �°�steps 60 ���150V in ���steps 10 ���100V in ���steps 10 ���100V in ���steps 10 ���100V in ���steps 0.01 ���10.��s in 0.01s steps�0.01 ���1.00s ���0.01s steps�
Voltage and ��nchro�ism check eleme�������nchro�ism�check angle ��UV eleme�����OV element��Busbar or li���dead check��Busbar or li���live check
����nchro�ism�check ��me ��Voltage check �ime
�° to 7�°�in �°�steps 60 ���150V in ���steps 10 ���100V in ���steps 10 ���100V in ���steps 10 ���100V in ���steps 0.01 ���10.��s in 0.01s steps�0.01 ���1.00s ���0.01s steps�
Fault Detector Multi-step overcurrent�elemen�� L1:�0.10A,�L2:�0.16A,�L3:�0.26A,�L4:�0.41A,�
L5:�0.66A,�L6:�1.05A,�L7:�1.68A (1A relay) L1:�0.50A,�L2:�0.80A,�L3:�1.28A,�L4:�2.05A L5:�3.28A,�L6:�5.24A,�L7:�8.39A (5A relay)
Current�change detectio��el��ent� 0.1 �imes rat���current�Earth �ault�overcurrent�elemen�� 0.1 �imes rat���current�Underv�lt�ge �lement���r eart���ault� 46V Underv�lt�ge �lement���r ph��e �ault� 80V Underv�lt�ge �hange detectio��element� 0.07 �imes voltage ����re ������Voltage Transformer Failure Supervision Underv�lt�ge �lement�(phase-��-phase) Underv�lt�ge �lement�(phase-��-eart�) Current�change detectio��el��ent�
Residual ��lt�ge element�Residual ��rrent�eleme���
50 ���100V in ���steps 10 ���60V ������steps 0.1A �ixed (1A relay) 0.5A �ixed (5A relay) 20V ��xed Common use �����eart��������detect����element�
GRL100
17
Fault Locator Line ��sistanc��and react�nce�set�ings 0.0 �o 999.��in�����steps ��A relay)
0.00 �o 199.99�in 0.01�steps (5A relay) Line ������� 0.0 ���399.9km�in 0.1km steps�Accurac������o ��rminal�
����ree ��rminal
±1km (up ���100km) or ±1% �up to 399.9km at DIFI=0.5In set��ng and �d=2In ±2km (up ���100km) or ±2% �up to 399.9km at DIFI=0.25In set��ng and �d=2In
Minimum measuring ��cles 2 ��cles Disturbance Record Initiation Overcurrent�element� 0.1 ���50.0A in 0.1A steps (1A�relay)
0.5 ���250.0A ���0.1A steps (5A relay) Underv�lt�ge �lement� 0 ���132V ������steps (for phase �ault��
0 ���76V in 1V steps (for eart���ault��Pre-fault���me� 0.3s (fixed) Post-fault��ime� 0.1 ���3.0 in 0.1s steps Communication Port ��ont�communication ��rt�(local PC) ��Connectio����Cable ��pe ��Cable lengt����Connect�r
Point to�������Multi-core (straight) 15m (ma ���RS232C 9-pin D-sub miniature connect�r ��male
Rear communicat�on ��rt�(remot��PC) RS4���I/F: ���ansmission data rat����r RSM ��stem�
���Connectio�����Connect������Cable and �ength �����olation
64kb�s Multidrop mode (max. 32 relays) Scre��terminals ��ist�d pair ��ble,�max.�120���2kVac ��r 1min��
Fib������ic I/F: ST�connect�r,�graded-index multi-mod��50/125μm or 62.5/12�μm ��pe optical �ibre��
Ethernet LAN �/F: 10BASE-T��RJ-45 connector�IRIG-B Port Connectio� BNC connect��Cable ��pe 50 ohm co�ia��cable Binary Inputs Operating volt�ge ��pic�l ��Vdc(min.70Vdc) ��r 110V/�25Vdc rating
��pic�l �38Vd�(min.125Vdc) ��r 220V/�����c rating ��pic�l ��Vdc(min.28Vdc) ��r 48V/54V/�0Vd��rating ��pic�l ��Vdc(min.14Vdc) ��r 24Vdc rat�ng
Contact Ratings ��ip contact����Make and carr��
��Break
5A continuous����30A,�290Vdc ��r 0.5s (L/���0ms) 0.15A,�290Vdc�(L/��40ms)
Auxiliar���ont�������Make and carr��
��Break
4A continuous����10A,�220Vdc ��r 0.5s (L/�≧5ms) 0.1A,�220Vdc (L/��40ms)
Durability ��Make and carr����Break
10,000 operat�ons minim���100,�00 �perations minimum�
Mechanical design �eight�Case colour Installatio��
11kg (Type-A),�14kg (Type-B)�2.5Y7.5/1(approximation ���Munsell value) �lush mou��in��or rack moun�ing
GRL100
18
ENVIRONMENTAL PERFORMANCE
Test Standards DetailsAtmospheric Environment ��mperature ��C60068-2-1/� Operating range:�-10°C to�+5�°C.
Storage ���ansit��-25°C to�+7�°C. Humidit� ��C60068-2-78 56 days at���°C and �3% relat�ve humidity.�Enclosure Protection ��C60529 ��51 (Rear:���20) Mechanical Environment Vibratio� ��C60255-2�-1 Response - Class 1
Endurance - Class 1 Shock and Bump ��C60255-2�-2� Shock Response Class 1
Shock Withstand Class 1 Bump Class 1
Seismic ��C60255-2�-3 Class �Electrical Environment Dielect�ic �it�stand ��C60255-5 2kVrms ��r 1 minute ����een all ��rminals ����eart���
2kVrms ��r 1 minute ����een �ndependent�circuit���1kVrms ��r 1 minute acr�ss normall��open contact���
High ��ltage ��pulse ��C60255-5 ��ree positive and ��ree nega�ive impuls�s ���5kV(peak),�1.2/50μs,�0.5J bet��en all ��rminals �nd �����en all ��rmi�als and ��rth.�
Electromagnetic Environment High ��equency Disturbance �Dampe��Oscillator��Wave�
��C60255-2�-1�Class 3,���C61000-4-12��EN61000-4-12�
1MHz 2.5kV �pplied ���all por���in common mode.��1MHz 1.0kV �pplied ���all por���in dif��rentia��mode.�
Ele�tro�tatic Discharge
��C60255-2�-2�Class 3,���C61000-4-2 �EN61000-4-2�
6kV contact�dis�harg���8kV air�discharge.�
Radiated RF�Elect�omagnet���Disturbance
��C60255-2�-3�Class 3,���C61000-4-3 �EN61000-4-3�
�ield stren����10V/����r ��equency ���eps of�80MHz �����Hz and 1.7GHz ���2.2GHz.�Addit�onal �pot���sts at�80,�160,�45���900 �nd �890MHz.�
��st���ansient�Disturbance
��C60255-2�-4����C61000-4-4 �EN61000-4-4�
4kV,�2.5kHz,�5/50ns �pplied ���all inp�����
Surge �mmunit�� ��C60255-2�-5����C61000-4-5 �EN61000-4-5�
1.2/50μs surge in common/differe�tial modes: HV port���2kV/1kV (peak) PSU and ���port���2kV/1kV (peak) RS485 port��1kV (peak)
Conducted RF�Elect�omagnet���Disturbance �
��C60255-2�-6�Class 3,���C61000-4-6 �EN61000-4-6�
10Vrms appli�d over ��equen���range �50kHz ���100MHz.�Addit�onal spot���sts at�27 and 68MHz.�
Po��r ��equenc��Disturbance
��C60255-2�-7����C61000-4-16��EN61000-4-16�
300V ��Hz ��r 10s applied ���port��in common mod���150V ��Hz ��r 10s applied ���port��in dif��rential mode.�Not�applica�le ���AC inputs.�
Conducted �nd�Radiated Emissions
��C60255-2���EN55022 �lass A,���C61000-6-4 �EN61000-6-4�
Conducted em�ssions:�0.15 ���0.50MHz:�79dB (pe�k) or 66dB ��ean) 0.50 ���30MHz:�73dB (peak) or 60dB (mean) Radiated emissions (at�30m):�30 �o 230MHz:�30dB 230 �o 1000MHz:�37dB
89/336/EEC Compliance �it���he Europ����Commission Elect�omagnet���Compat��ilit���irective is demonst�ated acc�rding ���EN 61000-6-2 and EN 61000-6-4.�
73/23/EEC Compliance �it���he Europ����Commission Lo��Voltage Directive is ���onst�ated according ���EN 50178 and EN 60255-5.�
GRL100
19
Optical Interface Unit G1IF1 (Option)�
Ratings Po��r supply:� 110Vdc/���Vdc
�(Operative range:�88 - �50Vdc of�110Vdc rated volt�ge 220Vdc/���Vdc �(Operative range:�170 - 300Vdc of�220Vdc rated volt�ge 48Vdc (Operat��e range:�38.4 - 72Vdc)
�Burde��� less �han 8W�Interface Communication�interfa����
Operative ���ge:�Wavelength: Connect�r ��pe���ibre ������
CCI��-G703-1�2.1 CCI��-G703-1�2.2 or 1.2.3 X.��less �han 1.2km �it���������μm GI���bre (3dB/�m) 820nm ST�62.5/12�μm glass ��bre
Atmospheric Environment ��mperature
Humidit��Enclosure Protection
��C60068-2-1/2
��C60068-2-78���C60529
Operating range:�-10°C to�+5�°C. Storage ���ansit��-25°C to�+7�°C. 56 days at���°C and �3% relat�ve humidity.���40 (excludin����rminal part�)
GPS Receiver Unit HHGP1 (Option)�
Ratings Po��r supply:� 48Vdc (Operat��e range:�38.4 - 72Vdc) Burde��� less �han 8W�Receiving Function Number of�rec�iving sat��lites��Receive signals: Receive ��equ������
Eight satellites receive��in ����llel L1 C/A code 1575.42 MHz�
��me�tra��fer �ccuracy� Within±�μs ��th�resp��t to�UT�(�hen �he receiver is tracking GPS Satellites.
Data Backup Dat��life:� more �han ����ours Communication Interface Connectio���Cable ��pe:�Wavelength: Cable Length:�
ST�connect���GI�multimode ���ical �ibre (62.5/125μm or 50/125μm) 820nm 0 ���1km (3dB/�m)
GPS Antenna Interface Preamp ����r supply ��r Ant�nna:�Connectio���Cable ��pe:�
Min 4.5V(at�20mA),�Min 4.0V(at�40mA) BNC connector�50 ohm co�ia��cable
GPS Antenna�NF: Gain:
Max�3dB 10 ���35dB(Antenna ��Amp ��Cable)
Atmospheric Environment ��mperature
Humidit��Enclosure Protection
��C60068-2-1/2
��C60068-2-78���C60529
Operating range:�-10°C to�+5�°C. Storage ���ansit��-25°C to�+7�°C. 56 days at���°C and �3% relat�ve humidity.���40 (excludin����rminal part�)
GRL100
20
Protocol Converter G1PR2 (Option)
Ratings Po��r supply:� 110Vdc/���Vac
�(Operative range:�88 - �50Vdc of�110Vdc rated volt�ge,�80 - 120Vac of�100Vac rated volt�ge)
220Vdc/���Vdc �(Operative range:�170 - 300Vdc of�220Vdc rated volt�ge,�
200 - 24��ac of�200Vac rated volt�ge.�48Vdc (Operat��e range:�38.4 - 72Vdc)
�Burde��� less �han ����Interface Interfa��: Optical interface
Operative ���ge:�Wavelength: Connect�r ��pe���ibre ������
RS485 or Optical int�rface
less �han 1.2km �it���������μm GI���bre (3dB/�m) 820nm ST�62.5/12�μm glass ��bre
Contact Ratings Auxiliar���ont�������Make and carr��
��Break
4A continuous����10A,�220Vdc ��r 0.5s (L/�≧5ms) 0.1A,�220Vdc (L/��40ms)
Durability ��Make and carr����Break
10,000 operat�ons minim���100,�00 �perations minimum�
Atmospheric Environment ��mperature
Humidit��Enclosure Protection
��C60068-2-1/2
��C60068-2-78���C60529
Operating range:�-10°C to�+5�°C. Storage ���ansit��-25°C to�+7�°C. 56 days at���°C and �3% relat�ve humidity.���20
GRL100
21
ORDERING 1. Line Differential Protection Relay a. Two-terminal application
Term������
����unication route
Term������
GRL100��L100
Rela����pe: Line differential protection rela�� GRL100 Rela��Model: -Model100: No ��toreclose
1�������������������������� 1��������������������������
101 102
-Model200: With autoreclose for single breaker scheme 2�������������������������� 3���������������������������22 BIs (12-independent), 19 ��s, 3 trip BOs �28 BIs (12-independent), 37 ��s, 3 trip BOs
201 202 204 206
-Model300: With autoreclose for �ne and a half br��ker scheme 2�������������������������� 3��������������������������
301 302
-Model400: With autoreclose for single breaker scheme and redundantfault detector scheme
2�������������������������� 401 -Model500: With autoreclose for �ne and a half br�aker scheme and
redundant �ault �etector scheme �28 BIs, 31 BOs, 6 trip BOs �28 BIs, 31 BOs, 6 trip BOs
501 503
-Model700: With autoreclose and backup distance protection scheme 2�������������������������� 3��������������������������
701 702
Note: Model 503 has countermeasure for �hrough-fault current. Ratings: 1A, 50Hz, 110V/125Vdc 1A, 60Hz, 110V/125Vdc 5A, 50Hz, 110V/125Vdc 5A, 60Hz, 110V/125Vdc 1A, 50Hz, 220V/250Vdc 1A, 60Hz, 220V/250Vdc 5A, 50Hz, 220V/250Vdc 5A, 60Hz, 220V/250Vdc 1A, 50Hz, 48V/54V/60Vdc 1A, 60Hz, 48V/54V/60Vdc 5A, 50Hz, 48V/54V/60Vdc 5A, 60Hz, 48V/54V/60Vdc 1A, 50Hz, 24V/30Vdc 1A, 60Hz, 24V/30Vdc 5A, 50Hz, 24V/30Vdc 5A, 60Hz, 24V/30Vdc
1 2 3 4 5 6 7 8 A B C D E F G H
Differential rela��communication interface: Electrical interface (CCITT-G703-1.2.1) Electrical interface (CCITT-G703-1.2.2 or 1.2.3) Optical interface (Short ��velength light: GI: 2km class) Optical interface (Long ��velength light: SM: 30km class) Optical interface (Long ��velength light: DSF: 80km class) Electrical interface (RS530, X.2�����tical I/F���km class)�+ ��tical ����30km class)���tical I/F���km class)�+ ��tical ����80km class)�
1 2 3 6 7 9 G H
Communications:RS485
Fibre optic Dual RS485 Dual fibre optic RS485 + Fibre ��tic
Note: 10BASE-T option is available for specific con�iguration
1 2 3 4 9
MiscellaneousNone GPS optical Input
0 1
Note:�Please inform us ��ich is ordered�panel surface �ount ���e or 19-inch rack mount ��pe. �In 19 inch rack mount ����, please order ��tional attachment kit. � for rela��case ��pe-A attachment kit: EP101� for rela��case ��pe-B attachment kit: EP102
GRL100 �− B− −
GRL100
22
b. Dual channel or Three-terminal application Rela����pe: Line differential protection rela�� GRL100 Rela��Model: -Model100: No ��toreclose
1�������������������������� 1��������������������������
111 112
-Model200: With autoreclose for single breaker scheme 2�������������������������� 3���������������������������22 BIs (12-independent), 19 ��s, 3 trip BOs �28 BIs (12-independent), 37 ��s, 3 trip BOs
211 212 214 216
-Model300: With autoreclose for �ne and a half br��ker scheme 2�������������������������� 3��������������������������
311 312
-Model400: With autoreclose for single breaker scheme and redundantfault detector scheme 28 BIs, 31 BOs, 6 trip BOs 411
-Model500: With autoreclose for �ne and a half br�aker scheme andredundant �ault �etector scheme 28 BIs, 31 BOs, 6 trip BOs 28 BIs, 31 BOs, 6 trip BOs
511 513
-Model700: With autoreclose and backup distance protection scheme 2�������������������������� 3��������������������������
711 712
Note: Model 513 has countermeasure for �hrough-fault current. Ratings: 1A, 50Hz, 110V/125Vdc 1A, 60Hz, 110V/125Vdc 5A, 50Hz, 110V/125Vdc 5A, 60Hz, 110V/125Vdc 1A, 50Hz, 220V/250Vdc 1A, 60Hz, 220V/250Vdc 5A, 50Hz, 220V/250Vdc 5A, 60Hz, 220V/250Vdc 1A, 50Hz, 48V/54V/60Vdc 1A, 60Hz, 48V/54V/60Vdc 5A, 50Hz, 48V/54V/60Vdc 5A, 60Hz, 48V/54V/60Vdc 1A, 50Hz, 24V/30Vdc 1A, 60Hz, 24V/30Vdc 5A, 50Hz, 24V/30Vdc 5A, 60Hz, 24V/30Vdc
1 2 3 4 5 6 7 8 A B C D E F G H
Differential rela��communication interface: Electrical interface (CCITT-G703-1.2.1) ×2 Electrical interface (CCITT-G703-1.2.2 or 1.2.3) ×2 Optical interface(Short ��velength light: GI: 2km class) ×2 Optical interface(Long ��velength�light: SM: 30km class) ×2 Optical interface(Long ��velength�light: DSF: 80km class) ×2 Electrical interface (RS530, X.2�) ×2 ��tical I/F���km class)�+ ��tical ����30km class)���tical I/F���km class)�+ ��tical ����80km class)�
1 2 3 6 7 9 G H
Communications:RS485 Fibre optic Dual RS485 Dual fibre optic RS485 + Fibre ��tic Note: 10BASE-T option is available for specific con�iguration
1 2 3 4 9
MiscellaneousNone GPS optical Input
0 1
Note:�Please inform us ��ich is ordered�panel�surface �ount �����or 19-inch rack mount ��pe. �In 19 inch rack mount ����, please order ��tional attachment kit. � for rela��case ��pe-A attachment kit: EP101� for rela��case ��pe-B attachment kit: EP102
Ter���al �
Communica��on������
Communica��on������
Ter���al �
��L100
��L100��L100
Ter���al �
GRL100 �− B− −
GRL100
23
2. Optical Interface Unit (Option)
3. GPS Receiver (Option)
4. Protocol Converter (Option)
��pe:
Communication�interfa���box G1IF1
Model:
�or X.21 For CCITT-G7���������For CCITT-G7������������������
01 02 03
Auxiliar��po����supply:�DC 48V �54V �60V DC 110V �125V DC 220V �250V
01 02 03
G1IF1���− −
��pe:
Prot��ol con�erter G1PR2
Model:
1 port, Elect���al signal (RS485) 4 ports, Ele�trical�signal (RS485) 8 ports, Ele�trical�signal (RS485) 8 ports, Ele�trical�signal (RS485): Max.����Opt�cal signal:�Max.�1 8 ports, Ele�trical�signal (RS485): Max.����Opt�cal signal:�Max.�4 8 ports, Ele�trical�signal (RS485): Max.����Opt�cal signal:�Max.�8 1 port, Elect���al signal (RS485) ���Opt�cal signal 1 port, Op�ical�signal 4 ports, Opt�cal signal 8 ports, Opt�cal signal
101 104 108 118 148 184 111 110 140 180
Auxiliar��po��r suppl��rating: DC 110V / AC��00V DC 220V / AC��00V DC 48V
10 50 A0
Ext�rnal �ime�sy��hronisation:�None.�IRI������rt
00 10
G1PR2����− A −� −�
��pe:
GPS receiver� HHGP1
DC ����r supply�rating:
DC 48V
HHGP1 �−���101 ���
GRL100
24
RELAY OUTLINE
Figure 13 Relay case Type-A outline (for Model 101, 111, 102, 112, 201, 211, 204, 214, 301, 311, 701, 711)
Figure 14 Relay case Type-B outline (for Model 202, 212, 206, 216, 302, 312, 401, 411, 501, 511, 503, 513, 702, 712)
M3.5 Ring terminal
M3.5 Ring terminal
M3.5 Ring terminal
M3.5 Ring terminal
GRL100
25
19-inch rack mount
Figure 15 Relay case Type-A outline (for Model 101, 111, 102, 112, 201, 211, 204, 214, 301, 311, 701, 711)
Figure 16 Relay case Type-B outline (for Model 202, 212, 206, 216, 302, 312, 401, 411, 501, 511, 503, 513, 702, 712)
GRL100
26
Outline of Optical interface unit
66�RX � CL SPAR�
15�
�68
�80
19�13�
2- Φ5
2-5x9
TB1
1
12
Power�TX�from�CO �TX�from�RE�� �CLK fr���COM
Figure 17 Outline of optical interface unit G1IF1
Outline of GPS Receiver
162.5
308.0290.0
70.0
Figure 18 Outline of GPS receiver HHGP1
Outline of Protocol Converter
PROT��OL �� ��������pe� G1P�2
odel 180��10-∗∗��ower� 110�dc 100V���
�de �n ��an
35��39.�
11�57.�φ7.1
10.3
31�
IRIG-B
�te: ��IG�������io��
200
108.�1 �2 �3 ����5 �6 �7 �8
1 �2 �3 ����5 �6 �7 �8 RX
TX POWER ALARM
ONOFF POW��
RX� � �OP���
RX� � �OPT��
RX� � �OP��
RX� � �OPT��
RX � �OP��
RX� TX�OP���
RX� � �OP���
RX �OP��
88-150Vdc/80-120Vac ��232C
FG P N
1 ���
TB� SG FG TB�
1 2 �1 2 � 1 ��� 1 2 � 1 2 � 1 2 �1 2 � 1 ���
R S 4 8 5 - 1 R S 4 8 5 - 2 R S 4 8 5 - 3 R S 4 8 5 - 4 R S 4 8 5 - 5 R S 4 8 5 - 6 R S 4 8 5 - 7 R S 4 8 5 - 8
1 2 �
1 �� IRIG��
��te� IRIG��: O�����
Figure 19 Outline of protocol converter G1PR2
GRL100
27
RS485 I/F
COM-B
COM-A
0V
TB3-A18
B18
A17
B17
A16
B16
IRIG-B
Model GRL100-1*1
Note GRL100-101: 2 ter��nal�system, not provided ��th term�nals �arked ��th �*).
�����GRL100-111: 3 ter��nal�system�
�or
�erm�nal���ock �rrangement (Rear view)
TP-A1
TP-B1
TP-C1
TP-A2
TP-B2
TP-C2
TRIP-B
TRIP-A
TRIP-C
BUS CB
CENTER CB
(+)
TRIP-B
TRIP-A
TRIP-C
B14
A12
A13
B13
(+) TB4- A3
A1
B3
A2
B2
TB4-A14
TX
CKRX
CN2
Telecommunication
Links
Optical
Interface
Electrical
InterfaceTX
CKRX
TX
RX
TXRX
(*)
(*)
TB3- A2
A1
B1
B2
RELAY
FAILURE
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A12
B12
B13
A13
(HIGH SPEED
RELAY)
FAIL
BO1
BO2
BO3
BO13
(HIGH SPEEDRELAY)
(One RS485 port)
IO#1: IO1 module
IO#2: IO2 module
Ethernet LAN I/F
(option) RJ45
COM2-B
COM2-ATB3-A18
A17
A16
B18
B17
B16
COM2-0V
COM1-B
COM1-A
COM1-0V
Two ports RS485 I/F (option)
CH2
CH2
CH1
CH1
�or opti�al��nterface
�or electri�al��nterface VCTIO#2
TB1
TB3TB4
IO#1
CN1(IRIG-B)
E
A1�
A1
�B1�
�B1
�1 �
19 �20
CN2
VCTIO#2
TB1
TB3TB4
IO#1
CN1(IRIG-B)
E
A1�
A1
�B1�
�B1
�1 �
19 �20
TX�
RX�
TX�
RX�(*)
CH1
CH2
CN2
EXTERNAL CONNECTION DIAGRAM
Transfer trip command 1
B14
B5
52C (C-ph.) A5BI3
BI4
B6
A6BI5
BI6
B7
Disconnector N/C contsct A7BI7
Ditto for monitoring BI8
B8
Dif. protection block (#43C) A8BI9
External CB close signal BI10
B9
DC power supply A9BI11
BI12
B10
Transfer trip command 2 A10BI13
Indication reset BI14
Backup protection block (#43BU) A11 B11 BI15 (-) TB3-A14
BI16
BI17 A15
B15 BI18 (-)
(+)
+5Vdc
B4
52A (A-ph.) TB4-A4BI1 CB1 contacts
(Closed when bus CB main contact closed.)
52B (B-ph.)
A-ph
B-ph
C-ph
BI2
IO#1
IO#2
External trip signals (CBF Initiation)
BUSBAR
BUS
TB1 -1
4 3 2
7 6 5
8
CT
CT
CB
CB
20
CB
52C (C-ph.)
52A (A-ph.)
CB2 contacts (Closed when center CB main contact closed.)
52B (B-ph.)
[Default setting]
DD FAIL.
TB4 -A16
(-)
(+)
0V
B18 A18
E
B17
B16 A17
DC
SUPPLY
(CASE EARTH)
DC-DC
RELAY FAIL. ≧1
B15 A15(∗1)(∗1)These connections are connected
by short-bars before shipment.
Figure 20 Typical external connection of Model 101, 111
GRL100
28
RS485 I/F
COM-B
COM-A
0V
TB3-A18
B18
A17
B17
A16
B16
IRIG-B
or
TP-A1
TP-B1
TP-C1
TP-A2
TP-B2
TP-C2
TRIP-B
TRIP-A
TRIP-C
BUS CB
CENTER CB
(+)
TRIP-B
TRIP-A
TRIP-C
B14
A12
A13
B13
(+) TB4- A3
A1
B3
A2
B2
TB4-A14
TX
CKRX
CN2
Communication
Links Optical
Interface
Electrical
InterfaceTX
CKRX
TXRX
TX
RX
CH2
CH1
(*)
IO#3
A2
B2
A3
A4
B3
B4
A5
A6
B5
B6
A7
A8
B7
B8
TB2-A1
B1 BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
A9
B9 BO9
A10
B10 BO10BO10
(One RS485 port)
IO#1: IO1 module
IO#2: IO2 module
IO#3: IO3 module
TB3- A2
A1
B1
B2
RELAY
FAILURE
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A12
B12
B13
A13
(HIGH SPEED
RELAY)
FAIL
BO1
BO2
BO3
BO13
(HIGH SPEED
RELAY)
Ethernet LAN I/F
(option) RJ45
Note GRL100-102: 2 ter��nal�system, not provided ��th term�nals �arked ��th �*).
�����GRL100-112: 3 ter��nal�system�
Model GRL100-1*2
�erm�nal���ock �rrangement (Rear view)
COM2-B
COM2-ATB3-A18
A17
A16
B18
B17
B16
COM2-0V
COM1-B
COM1-A
COM1-0V
Two ports RS485 I/F (option)
CH2
CH1
(*)
�or opti�al��nterface
�or electri�al��nterface
TB2�B1
IO#3
VCTIO#2
TB1
TB3TB4
IO#1
CN1(IRIG-B)
E
A1�
A1
�B1�
�1 �
19 �20
CN2
TB2
�B1�
�B1
IO#3
VCTIO#2
TB1
TB3TB4
IO#1
CN1(IRIG-B)
E
A1�
A1
�B1�
�B1
1 2
19 �20
TX�
RX�
TX�
RX�
(*)
CH1�
CH2�
CN2
Transfer trip command 1
B14
B5
52C (C-ph.) A5BI3
BI4
B6
A6BI5
BI6
B7
Disconnector N/C contact A7BI7
Ditto for monitoring BI8
B8
Dif. protection block (#43C) A8BI9
External CB close signal BI10
B9
DC power supply A9BI11
BI12
B10
Transfer trip command 2 A10BI13
Indication reset BI14
Backup protection block (#43BU) A11 B11 BI15 (-) TB3-A14
BI16
BI17 A15
B15 BI18 (-)
(+)
B4
52A (A-ph.) TB4-A4BI1 CB1 contacts
(Closed when bus CB main contact closed.)
52B (B-ph.)
A-ph
B-ph
C-ph
BI2
IO#1
IO#2
External trip signals (CBF Initiation)
BUS
BUS
TB1 -1
4 3 2
7 6 5
8
CT
CT
CB
CB
20
CB
52C (C-ph.)
52A (A-ph.)
CB2 contacts (Closed when center CB main contact closed.)
52B (B-ph.)
+5Vdc
DD FAIL.
TB4 -A16
(-)
(+)
0V
B18 A18
E
B17
B16 A17
DC
SUPPLY
(CASE EARTH)
DC-DC
RELAY FAIL. ≧1
B15 A15(∗1)(∗1)These connections are connected
by short-bars before shipment.
[Default setting]
Figure 21 Typical external connection of Model 102, 112
GRL100
29
RS485 I/F
COM-B
COM-A
0V
TB3-A18
A17
B17
B18
A16
B16
IRIG-B
or
TP-A1
TP-B1
TP-C1
TP-A2
TP-B2
TP-C2
TRIP-B
TRIP-A
TRIP-C
BUS CB
(+)
TRIP-B
TRIP-A
TRIP-C
B14
A12
A13
B13
(+) TB4- A3
A1
B3
A2
B2
TB4-A14
TX
CKRX
CN2
Communication
Links Optical
Interface
Electrical
InterfaceTX
CKRX
TX
RX
TX
RX
CH1
(*)CH2
CH1
(*)
(One RS485 port)
IO#3
A2
B2
A3
A4
B3
B4
A5
A6
B5
B6
TB2-A1
B1BO1
BO2
BO3
BO4
BO5
BO6
TB3- A2
A1
B1
B2
RELAY
FAILURE
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A12
B12
B13
A13
(HIGH SPEED
RELAY)
FAIL
BO1
BO2
BO3
BO13
(HIGH SPEED
RELAY)
Ethernet LAN I/F
(option) RJ45
IO#1: IO1 module
IO#2: IO2 module
IO#3: IO6 module
Note GRL100-201: 2 ter��nal�system, not provided ��th term�nals �arked ��th �*).
�����GRL100-211: 3 ter��nal�system�
Model GRL100-2*1
�erm�nal���ock �rrangement (Rear view)
COM2-B
COM2-ATB3-A18
A17
A16
B18
B17
B16
COM2-0V
COM1-B
COM1-A
COM1-0V
Two ports RS485 I/F (option)
CH2
�or opti�al��nterface
TB2
�B1�
�B1
IO#3
TB2
�B1�
�B1
IO#3
�or electri�al��nterface
VCTIO#2
TB1
TB3TB4
IO#1
CN1(IRIG-B)
E
A1�
A1
�B1�
�B1
1 2
19 �20
TX�
RX�
TX�
RX�(*)
VCTIO#2
TB1
TB3TB4
IO#1
CN1(IRIG-B)
E
A1�
A1
�B1�
�B1
�1 �
19 �20
CN2
CH1�
CH2�
CN2
Transfer trip command 1
B14
B5
52C (C-ph.) A5BI3
BI4
B6
A6BI5
BI6
B7
Disconnector N/C contact A7BI7
Ditto for monitoring BI8
B8
Dif. protection block (#43C) A8BI9
External CB close signal BI10
B9
DC power supply A9BI11
BI12
B10
Transfer trip command 2 A10BI13
Indication reset BI14
Backup protection block (#43BU) A11 B11 BI15 (-) TB3-A14
BI16
BI17 A15
B15 BI18 (-)
(-)
(+)
B4
52A (A-ph.) TB4-A4BI1 CB1 contacts
(Closed when CB main contact closed.)
52B (B-ph.)
BI2
A-ph
B-ph
C-ph
IO#1
IO#2 External trip signals
(Reclose & CBF Initiation)
B8
C-ph. A8BI21
BI22
B9
A9BI23
BI24
CB1 ARC ready (Bus CB)
A10 B10 BI25
ARC Block
B7BI19 Interlink signals, Model 201
(Parallel line interlink signal for Term1)
B-ph.
BI20
TB2-A7
IO#3
A-ph
BUS
TB1 -1
4 3 2
7 6 5
8
12
11
13 14
BUS VT
CT
CB
VT
15 16BUS VT
20
[Default setting]
+5Vdc
DD FAIL.
TB4 -A16
(-)
(+)
0V
B18 A18
E
B17
B16 A17
DC
SUPPLY
(CASE EARTH)
DC-DC
RELAY FAIL. ≧1
B15 A15(∗1)(∗1)These connections are connected
by short-bars before shipment.
Figure 22Typical external connection of Model 201, 211
GRL100
30
TX
CKRX
CN2
COM-B
COM-A
0V
RS485 I/F for RSM
TB2-A18
B18
A17
B17
A16
B16
IRIG-B
TP-A1
TP-B1
TP-C1
TP-A2
TP-B2
TP-C2
TX
CKRX
TX
RX
TX
RX
TRIP-B
TRIP-A
TRIP-C
BUS CB
(+)
TRIP-B
TRIP-A
TRIP-C
B14
A12
A13
B13
(+) TB4- A3
A1
B3
A2
B2
TB4-A14
Communication
Links Optical
Interface
Electrical
Interface
orCH1
CH2
CH1
(*)
(*)
IO#3
A2
B2
A3
A4
B3
B4
A5
A6
B5
B6
A7
A8
B7
B8
TB5-A1
B1 BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
A9
A10
B9
B10
BO9
BO10
(One RS485 port)
IO#1: IO1 module
IO#2: IO2 module
IO#3: IO5 module
IO#4: IO4 module
TB2- A2
A1
B1
B2
RELAY
FAILURE
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A12
B12
B13
A13
(HIGH SPEED
RELAY)
FAIL
BO1
BO2
BO3
BO13
(HIGH SPEEDRELAY)
IO#4
TB3- A2
A1
B1
B2
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A13
B12
A12
B13BO14
BO1
BO2
BO3
BO13
Fibre optic I/F
(option)
Ethernet LAN I/F
(option) RJ45
ote ��L100-202:�2 �er��nal�system��not�provided ���h �er��nals �ar�ed ���h �*).
�������L100-212:�3 �er��nal�system�
Model GRL100-2*2
Ter��nal���ock ���angement���ear�view��
COM2-B
COM2-ATB2-A18
A17
A16
B18
B17
B16
COM2-0V
COM1-B
COM1-A
COM1-0V
Two ports RS485 I/F (option)
CH2
TX1
RX1
For�opt��al��nter�ace
IO#1
TB4 TB5
IO#3 �B18
IO#2�18
TB2�� �B1
VCT
TB1 1 2
19 ��20IO#4
TB3 CN1(IRIG-B)
E
For�elect���al��nter�ace
CN2
IO#1
TB4 TB5
IO#3 �B18
IO#2�18
TB2�� �B1
VCT
TB1 1 2
19 ��20IO#4
TB3 CN1(IRIG-B)
ETX�
RX�
TX�
RX�
(*)
CH1
CH2
CN2
Transfer trip command 1
B14
B5
52C (C-ph.) A5 BI3
BI4
B6
A6 BI5
BI6
B7
Disconnector N/C contact A7 BI7
Ditto for monitoring BI8
B8
Dif. protection block (#43C) A8 BI9
External CB close signal BI10
B9
DC power supply A9 BI11
BI12
B10
Transfer trip command 2 A10 BI13
Indication reset BI14 Backup protection block(#43BU) A11
B11 BI15 (-)
CB1 ARC ready(Bus CB)
TB2-A14BI16
ARC block
BI17 A15 B15 BI18
(-)
(-)
(+)
B4
52A (A-ph.) TB4-A4BI1 CB1 contacts
(Closed when CB main
contact closed.)
52B (B- ph.) BI2
B13
C-ph. A13
BI21
BI22
B14
A14 BI23
BI24
B15
A15 BI25
A-phBI26
B-ph A16
B16 BI27
C-ph
A18 BI28
B12
A-ph. TB5-A12BI19 Interlink signals
(Parallel line interlink signal for terminal 1)
B-ph.BI20
External trip signals ( Reclose & CBF Initiation)
IO#1
IO#2
IO#3
A-ph
B-ph
C-ph
Interlink signals (Parallel line interlink signal
for terminal 2, used
for Model 212.)
BUS
TB1 -1
4 3 2
7 6 5
8
12
11
13 14
BUS VT
CT
CB
VT
15 16 BUS VT 20
+5Vdc
DD FAIL.
TB4 -A16
(-)
(+)
0V
B18 A18
E
B17
B16 A17
DC
SUPPLY
(CASE EARTH)
DC-DC
RELAY FAIL. ≧1
B15 A15(∗1) (∗1)These connections are connected
by short-bars before shipment.
[Default setting]
B14
TB3-A14BI34
BI35 A15 B15 BI36
IO#4
Figure 23 Typical external connection of Model 202, 212
GRL100
31
IRIG-B
TP-A
TP-B
TP-C
TRIP-B
TRIP-A
TRIP-C
(+) TB4- A3
A1
B3
A2
B2
RS485 I/F
COM-B
COM-A
0V
TB3-A18
A17
B17
B18
A16
B16
or
TX
CKRX
CN2
Communication
Links Optical
Interface
Electrical
InterfaceTX
CKRX
TX
RX
TX
RX
(*)CH2
CH1
CH1
(*)
(One RS485 port)
IO#3
A2
B2
A3
A4
B3
B4
A5
A6
B5
B6
TB2-A1
B1BO1
BO2
BO3
BO4
BO5
BO6
TB3- A2
A1
B1
B2
RELAY
FAILURE
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A12
B12
B13
A13
(HIGH SPEED
RELAY)
FAIL
BO1
BO2
BO3
BO13
(HIGH SPEEDRELAY)
Ethernet LAN I/F
(option) RJ45
IO#1: IO8 module
IO#2: IO2 module
IO#3: IO6 module
ote ��L100-204:�2 �er��nal�system��not�provided ���h �er��nals �ar�ed ���h �*).
�������L100-214:�3 �er��nal�system�
Model GRL100-2*4
Ter��nal���ock ���angement���ear�view��
COM2-B
COM2-ATB3-A18
A17
A16
B18
B17
B16
COM2-0V
COM1-B
COM1-A
COM1-0V
Two ports RS485 I/F (option)
CH2
For�opt��al��nter�ace
TB2
�B10
�B1
IO#3
TB2
�B10
�B1
IO#3
For�elect���al��nter�ace
VCTIO#2
TB1
TB3TB4
IO#1
CN1(IRIG-B)
E
�18
�1
�B18
�B1
1 2
19 �20
TX�
RX�
TX�
RX�(*)
VCTIO#2
TB1
TB3TB4
IO#1
CN1(IRIG-B)
E
�18
�1
�B18
�B1
�1 �
19 �20
CN2
CH1�
CH2�
CN2
B14
B7
B6 A6 BI3
B8
B9
A7 BI4
BI5
B10
A8
A9 BI6
A10 BI7
B12
B11 A11 BI8
A12 BI9
B15 A15 BI12
(-)TB3-A14
BI16
BI17 A15 B15 BI18 (-)
(-)
B5
TB4-B4 A4
BI1
A5 BI2
IO#1
IO#2
B8
A8BI21
BI22
B9
A9BI23
BI24 A10 B10 BI25
B7BI19
BI20
TB2-A7
IO#3
(+)
B14
B13 A13 BI10
A14 BI11
DD FAIL.
TB4 -A16
(-)
(+)+5Vdc
0V
B18 A18
E
B17
B16 A17
DC
SUPPLY
(CASE EARTH)
DC-DC
RELAY FAIL. ≧1
BUS
TB1 -1
4 3 2
7 6 5
8
12
11
13 14
BUS VT
CT
CB
VT
15 16BUS VT
20
(∗1) (∗1)These connections are connected by short-bars before shipment.
Transfer trip command 1
Disconnector N/O contact
Disconnector N/C contact
Dif. protection block (#43C)
External CB close signal
DC power supply
Transfer trip command 2
Indication reset
Backup protection block(#43BU)
CB1 ARC ready(Bus CB)
ARC reset
(+)
CB1 contacts
(Closed when CB main
contact closed.)
52B (B-ph.)
External trip signals ( Reclose & CBF Initiation)
A-ph
B-ph
C-ph
[Default setting]
52B (A-ph.)
52B (C-ph.)
Figure 24 Typical external connection of Model 204, 214
GRL100
32
IRIG-B
TP-A1
TP-B1
TP-C1
TRIP-B
TRIP-A
TRIP-C
(+) TB4- A3
A1
B3
A2
B2
TX
CKRX
CN2
COM-B
COM-A
0V
RS485 I/F for RSM
TB2-A18
B18
A17
B17
A16
B16
TX
CKRX
TX
RX
TX
RX
Communication
Links Optical
Interface
Electrical
Interface
or
CH1
(*)CH2
CH1
(*)
IO#3
A2
B2
A3
A4
B3
B4
A5
A6
B5
B6
A7
A8
B7
B8
TB5-A1
B1 BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
A9
A10
B9
B10
BO9
BO10
(One RS485 port)
IO#1: IO8 module
IO#2: IO2 module
IO#3: IO5 module
IO#4: IO4 module
TB2- A2
A1
B1
B2
RELAY
FAILURE
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A12
B12
B13
A13
(HIGH SPEED
RELAY)
FAIL
BO1
BO2
BO3
BO13
(HIGH SPEED RELAY)
IO#4
TB3- A2
A1
B1
B2
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A13
B12
A12
B13BO14
BO1
BO2
BO3
BO13
Fibre optic I/F
(option)
Ethernet LAN I/F
(option) RJ45
Note���������06: ��te����al�syste���not ������ed���th�te����al����rked���th��*).�
���GRL100-216����te�����������em�
Model GRL100-2*6
Term�������������ran���en��(Rear ������
COM2-B
COM2-ATB2-A18
A17
A16
B18
B17
B16
COM2-0V
COM1-B
COM1-A
COM1-0V
Two ports RS485 I/F (option)
CH2
TX1
RX1
For�optica����te������
IO#1
TB4 TB5
IO#3 �B18
IO#2A1�
TB2A1 �B1
VCT
TB1 1 2
19 ����IO#4
TB3 CN1(IRIG-B)
ETX�
RX�
TX�
RX�(*)
IO#1
TB4 TB5
IO#3 �B18
IO#2A1�
TB2A1 �B1
VCT
TB1 1 2
19 ��20IO#4
TB3 CN1(IRIG-B)
E
�or�elec����al��nter�ace
CN2
CH�
CH�
CN2
B14
B7
B6 A6 BI3
B8
B9
A7 BI4
BI5
B10
A8
A9 BI6
A10 BI7
B12
B11 A11 BI8
A12 BI9
B15 A15 BI12
(-)TB2-A14
BI16
BI17 A15 B15 BI18 (-)
B5
TB4-B4 A4
BI1
A5 BI2
IO#1
IO#2
B14
B13 A13 BI10
A14 BI11
DD FAIL.
TB4 -A16
(-)
(+)+5Vdc
0V
B18 A18
E
B17
B16 A17
DC
SUPPLY
(CASE EARTH)
DC-DC
RELAY FAIL. ≧1
BUS
TB1 -1
4 3 2
7 6 5
8
12
11
13 14
BUS VT
CT
CB
VT
15 16BUS VT
20
(∗1) (∗1)These connections are connected by short-bars before shipment.
(-)
B13
A13
B14
A14
B15
A15
A16
B16
A18
B12
TB5-A12
BI21
BI22
BI23
BI24
BI25
BI26
BI27
BI28
BI19
BI20
IO#3
B14
TB3-A14 BI34
BI35 A15
B15 BI36
IO#4
Transfer trip command 1
Disconnector N/O contact
Disconnector N/C contact
Dif. protection block (#43C)
External CB close signal
DC power supply
Transfer trip command 2
Indication reset
Backup protection block(#43BU)
CB1 ARC ready(Bus CB)
ARC reset
(+)
CB1 contacts
(Closed when CB main
contact closed.)
52B (B-ph.)
External trip signals ( Reclose & CBF Initiation)
A-ph
B-ph
C-ph
[Default setting]
52B (A-ph.)
52B (C-ph.)
Figure 25 Typical external connection of Model 206, 216
GRL100
33
RS485 I/F
COM-B
COM-A
0V
TB3-A18
A17
B17
B18
A16
B16
IRIG-B
or
TP-A1
TP-B1
TP-C1
TP-A2
TP-B2
TP-C2
TRIP-B
TRIP-A
TRIP-C
BUS CB
(+)
TRIP-B
TRIP-A
TRIP-C
B14
A12
A13
B13
(+) TB4- A3
A1
B3
A2
B2
TB4-A14
TX
CKRX
CN2
Communication
Links Optical
Interface
Electrical
InterfaceTX
CKRX
TX
RX
TX
RX
CH1
(*)CH2
CH1
(*)
(One RS485 port)
IO#3
A2
B2
A3
A4
B3
B4
A5
A6
B5
B6
TB2-A1
B1BO1
BO2
BO3
BO4
BO5
BO6
TB3- A2
A1
B1
B2
RELAY
FAILURE
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A12
B12
B13
A13
(HIGH SPEED
RELAY)
FAIL
BO1
BO2
BO3
BO13
(HIGH SPEED
RELAY)
Ethernet LAN I/F
(option) RJ45
IO#1: IO1 module
IO#2: IO2 module
IO#3: IO6 module
Note GRL100�301:���te����al�system��not provided����h te����als ���ked���th �*).
�����GRL100-����������������system�
Model GRL100-3*1
������al���ock ����nge�����������view��
COM2-B
COM2-ATB3-A18
A17
A16
B18
B17
B16
COM2-0V
COM1-B
COM1-A
COM1-0V
Two ports RS485 I/F (option)
CH2
For op����l int�����e
TB2
�B1�
�B1
IO#3
TB2
�B1�
�B1
IO#3
For electrical interfa���
VCTIO#2
TB1
TB3TB4
IO#1
CN1(IRIG-B)
E
�18
��
�B1�
�B1
1 2
19 ���
TX�
RX�
TX�
RX�
(*)
VCTIO#2
TB1
TB3TB4
IO#1
CN1(IRIG-B)
E
�18
��
�B1�
�B1
�1 �
19 ���
CN2
CH1
CH2�
CN2
Transfer trip command 1
B14
B5
52C (C-ph.) A5BI3
52A (A-ph.)BI4
B6
52B (A-ph.) A6BI5
52C (A-ph.)BI6
B7
Disconnector N/C contact A7BI7
Ditto for monitoring BI8
B8
Dif. protection block (#43C) A8BI9
External CB cloe signal BI10
B9
DC power supply A9BI11
BI12
Backup protection block (#43BU) A11 B11 BI15 (-) TB3-A14
BI16
BI17 A15
B15 BI18 (-)
(-)
CB2 contacts (Closed when center CB main contact closed.)
(+)
B4
52A (A-ph.) TB4-A4BI1 CB1 contacts
(Closed when bus CB main contact closed.)
52B (B-ph.)BI2
A-ph
B-ph
C-ph
IO#1
IO#2 External trip signals
(Reclose & CBF Initiation)
B8
C-ph. A8BI21
BI22
B9
A9BI23
BI24
CB1 ARC ready (Bus CB)
A10 B10 BI25
CB2 ARC ready (Center CB)
ARC block
B7BI19 Interlink signals
(Parallel line interlink signal for Term1)
B-ph.
BI20
TB2-A7
IO#3
A-ph
[Default Setting]
B10
Transfer trip command 2 A10BI13
Indication reset BI14
BUS
BUS
TB1 -1
4 3 2
7 6 5
8
12
11
13
15
14
16
BUS VT
CT
CT
CB
CB
VT
BUS VT
17
20
18
PARALLEL LINE VT
CB
+5Vdc
DD FAIL.
TB4 -A16
(-)
(+)
0V
B18 A18
E
B17
B16 A17
DC
SUPPLY
(CASE EARTH)
DC-DC
RELAY FAIL. ≧1
B15 A15(∗1)
(∗1)These connections are connected by short-bars before shipment.
Figure 26 Typical external connection of Model 301, 311
GRL100
34
TX
CKRX
CN2
COM-B
COM-A
0V
RS485 I/F for RSM
TB2-A18
B18
A17
B17
A16
B16
IRIG-B
TP-A1
TP-B1
TP-C1
TP-A2
TP-B2
TP-C2
TX
CKRX
TX
RX
TX
RX
TRIP-B
TRIP-A
TRIP-C
BUS CB
(+)
TRIP-B
TRIP-A
TRIP-C
B14
A12
A13
B13
(+) TB4- A3
A1
B3
A2
B2
TB4-A14
Communication
Links Optical
Interface
Electrical
Interface
or
CH1
(*)CH2
CH1
(*)
IO#3
A2
B2
A3
A4
B3
B4
A5
A6
B5
B6
A7
A8
B7
B8
TB5-A1
B1 BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
A9
A10
B9
B10
BO9
BO10
(One RS485 port)
IO#1: IO1 module
IO#2: IO2 module
IO#3: IO5 module
IO#4: IO4 module
TB2- A2
A1
B1
B2
RELAY
FAILURE
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A12
B12
B13
A13
(HIGH SPEED
RELAY)
FAIL
BO1
BO2
BO3
BO13
(HIGH SPEED RELAY)
IO#4
TB3- A2
A1
B1
B2
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A13
B12
A12
B13BO14
BO1
BO2
BO3
BO13
Fibre optic I/F
(option)
Ethernet LAN I/F
(option) RJ45
Note���������02: ��te����al�syste���not ������ed���th�te����al����rked���th��*).�
���GRL100-312����te�����������em�
Model GRL100-3*2
�er���al���oc��Arr�ngem�nt����ar�view)
COM2-B
COM2-ATB2-A18
A17
A16
B18
B17
B16
COM2-0V
COM1-B
COM1-A
COM1-0V
Two ports RS485 I/F (option)
CH2
TX1
RX1
For�optica����te������
IO#1
TB4 TB5
IO#3 �B18
IO#2A1�
TB2A1 �B1
VCT
TB1�1 � �
19 ��20IO#4
TB3 CN1(IRIG-B)
ETX��
RX��
TX��
RX��
(*)
IO#1
TB4 TB5
IO#3 �B18
IO#2A1�
TB2A1 �B1
VCT
TB1 1 2
19 ��20IO#4
TB3 CN1(IRIG-B)
E
�or�elec����al��nter�ace
CN2
CH��
CH��
CN2
BUS
BUS
TB1 -1
4 3 2
7 6 5
8
12
11
13
15
14
16
BUS VT
CT
CT
CB
CB
VT
BUS VT
17
20
18
PARALLEL LINE VT
CB
Transfer trip command 1
B14
B5
52C (C-ph.) A5 BI3
BI4
B6
A6 BI5
BI6
B7
Disconnector N/C contact A7 BI7
Ditto for monitoring BI8
B8
Dif. protection block (#43C) A8 BI9
External CB close signal BI10
B9
DC power supply A9 BI11
BI12
B10
Transfer trip command 2 A10BI13
Indication reset BI14
Backup protection block(#43BU) A11 B11 BI15 (-)
CB1 ARC ready(Bus CB)
TB2-A14 BI16
ARC block
BI17 A15 B15 BI18
(-)
(-)
(+)
B4
52A (A-ph.) TB4-A4BI1 CB1 contacts
(Closed when CB main
contact closed.)
52B (B-ph.) BI2
B13
C-ph. A13
BI21
BI22
B14
A14BI23
BI24
B15
A15BI25
A-phBI26
B-ph A16
B16BI27
C-ph
A18BI28
B12
A-ph. TB5-A12 BI19 Interlink signals
(Parallel line interlink signal for terminal 1)
B-ph.BI20
External trip signals ( Reclose & CBF Initiation)
IO#1
IO#2
IO#3
A-ph
B-ph
C-ph
Interlink signals (Parallel line interlink signal
for terminal 2, used
for Model 312.)
+5Vdc
DD FAIL.
TB4 -A16
(-)
(+)
0V
B18 A18
E
B17
B16 A17
DC
SUPPLY
(CASE EARTH)
DC-DC
RELAY FAIL. ≧1
B15 A15(∗1) (∗1)These connections are connected
by short-bars before shipment.
[Default setting]
52C (C-ph.)
CB2 contacts
(Closed when CB main
contact closed.)
52B (B-ph.)
CB2 ARC ready(Center CB)
52A (A-ph.)
B14
TB3-A14 BI34
BI35 A15 B15 BI36
IO#4
Figure 27 Typical external connection of Model 302, 312
GRL100
35
IRIG-B
TP-A1
TP-B1
TP-C1
TP-A2
TP-B2
TP-C2
TRIP-B
TRIP-A
TRIP-C
BUS CB
(+)
TRIP-B
TRIP-A
TRIP-C
B14
A12
A13
B13
(+)
TB4- A3
A1
B3
A2
B2
TB4-A14
IO#3
A2
B2
A3
A4
B3
B4
A5
A6
B5
B6
A7
A8
B7
B8
TB5-A1
B1 BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
A9
A10
B9
B10
BO9
BO10
IO#4
A2
B2
A3
A4
B3
B4
A10
A11
B10
B11
A12
A13
B12
B13
TB3-A1
B1
B16
A16
A15
B15FD1
B18
A18
A17
B17FD2
(+)
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
(+)
(∗∗)Caution: Connect FD output contact with A- to C-phase tripping output contacts in series.
TX
CKRX
CN2
COM-B
COM-A
0V
RS485 I/F for RSM
TB2-A18
B18
A17
B17
A16
B16
TX
CKRX
TX
RX
TX
RX
Communication
Links Optical
Interface
Electrical
Interface
or
CH1
(*)CH2
CH1
(*)
(One RS485 port)
TB2- A2
A1
B1
B2
RELAY
FAILURE
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A12
B12
B13
A13
(HIGH SPEED
RELAY)
FAIL
BO1
BO2
BO3
BO13
(HIGH SPEEDRELAY)
Fibre optic I/F
(option)
Ethernet LAN I/F
(option) RJ45
IO#1: IO1 module
IO#2: IO2 module
IO#3: IO5 module
IO#4: FD module
Note GRL100-401: 2 ter��nal�system, not provided ��th term�nals �arked ��th �*).
�����GRL100-411: 3 ter��nal�system�
Model GRL100-4*1
�erm�nal���ock �rrangement (Rear view)
COM2-B
COM2-ATB2-A18
A17
A16
B18
B17
B16
COM2-0V
COM1-B
COM1-A
COM1-0V
Two ports RS485 I/F (option)
CH2
TX1
RX1
�or opti�al��nterface
IO#1
TB4 TB5
IO#3 �B1�
IO#2A1�
TB2A1 �B1
VCT
TB1 1 2
19 ��20IO#4
TB3 CN1(IRIG-B)
ETX�
RX�
TX�
RX�(*)
�or electri�al��nterface
IO#1
TB4 TB5
IO#3 �B1�
IO#2A1�
TB2A1 �B1
VCT
TB1 1 ���
19 ��20IO#4
TB3 CN1(IRIG-B)
E
CN2
CH1
CH2
CN2
Transfer trip command 1
B14
B5
52C (C-ph.) A5 BI3
BI4
B6
A6 BI5
BI6
B7
Disconnector N/C contact A7 BI7
Ditto for monitoring BI8
B8
Dif. protection block (#43C) A8 BI9
External CB close signal BI10
B9
DC power supply A9 BI11
BI12
B10
Transfer trip command 2 A10BI13
Indication reset BI14
Backup protection block(#43BU) A11 B11 BI15 (-)
CB1 ARC ready(Bus CB)
TB2-A14 BI16
ARC block
BI17 A15 B15 BI18
(-)
(-)
(+)
B4
52A (A-ph.) TB4-A4BI1 CB1 contacts
(Closed when CB main
contact closed.)
52B (B- ph.) BI2
B13
C-ph. A13
BI21
BI22
B14
A14BI23
BI24
B15
A15
BI25 A-ph
BI26 B-ph A16
B16BI27
C-ph
A18BI28
B12
A-ph. TB5-A12 BI19 Interlink signals
(Parallel line interlink signal for terminal 1)
B-ph.
BI20
External trip signals ( Reclose & CBF Initiation)
IO#1
IO#2
IO#3
A-ph
B-ph
C-ph
Interlink signals (Parallel line interlink signal
for terminal 2, used
for Model 411.)
BUS
TB1 -1
4 3 2
7 6 5
8
12
11
13 14
BUS VT
CT
CB
VT
15 16 BUS VT 20
+5Vdc
DD FAIL.
TB4 -A16
(-)
(+)
0V
B18 A18
E
B17
B16 A17
DC
SUPPLY
(CASE EARTH)
DC-DC
RELAY FAIL. ≧1
B15 A15(∗1) (∗1)These connections are connected
by short-bars before shipment.
[Default setting]
Figure 28 Typical external connection of Model 401, 411
GRL100
36
IRIG-B
TP-A1
TP-B1
TP-C1
TP-A2
TP-B2
TP-C2
TRIP-B
TRIP-A
TRIP-C
BUS CB
(+)
TRIP-B
TRIP-A
TRIP-C
B14
A12
A13
B13
(+)
TB4- A3
A1
B3
A2
B2
TB4-A14
IO#3
A2
B2
A3
A4
B3
B4
A5
A6
B5
B6
A7
A8
B7
B8
TB5-A1
B1BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
A9
A10
B9
B10
BO9
BO10
IO#4
A2
B2
A3
A4
B3
B4
A10
A11
B10
B11
A12
A13
B12
B13
TB3-A1
B1
B16
A16
A15
B15FD1
B18
A18
A17
B17FD2
(+)
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
(+)
(∗∗)Caution: Connect FD output contact with A- to C-phase tripping output contacts in series.
CENTER CB
TX
CKRX
CN2
COM-B
COM-A
0V
RS485 I/F for RSM
TB2-A18
B18
A17
B17
A16
B16
TX
CKRX
TX
RX
TX
RX
Communication
Links Optical
Interface
Electrical
Interface
or
CH1
(*)CH2
CH1
(*)
(One RS485 port)
TB2- A2
A1
B1
B2
RELAY
FAILURE
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A12
B12
B13
A13
(HIGH SPEED
RELAY)
FAIL
BO1
BO2
BO3
BO13
(HIGH SPEED
RELAY)
Fibre optic I/F
(option)
Ethernet LAN I/F
(option) RJ45
IO#1: IO1 module
IO#2: IO2 module
IO#3: IO5 module
IO#4: FD module
�te GRL100�501: 2 �����nal�system��not provided ��th te���nals ��rked���th �*).
�����L100-511: 3 term�nal�system�
Model GRL100-5*1
Term�nal���ock�Arrangement (Rear view��
COM2-B
COM2-ATB2-A18
A17
A16
B18
B17
B16
COM2-0V
COM1-B
COM1-A
COM1-0V
Two ports RS485 I/F (option)
CH1
TX1
RX1
For opti�al��nterface
IO#1
TB4TB5
IO#3 �B1�
IO#2�18
TB2�� �B1
VCT
TB1 1 2
19 ����IO#4
TB3 CN1(IRIG-B)
ETX�
RX�
TX�
RX�
(*)
IO#1
TB4TB5
IO#3 �B1�
IO#2�18
TB2�� �B1
VCT
TB1 1 2
19 ����IO#4
TB3 CN1(IRIG-B)
E
For electri�al��nterface
CN2
CH1
CH2
CN2
BUS
BUS
TB1 -1
4 3 2
7 6 5
8
12
11
13
15
14
16
BUS VT
CT
CT
CB
CB
VT
BUS VT
17
20
18
PARALLEL LINE VT
CB
+5Vdc
DD FAIL.
TB4 -A16
(-)
(+)
0V
B18 A18
E
B17
B16 A17
DC
SUPPLY
(CASE EARTH)
DC-DC
RELAY FAIL. ≧1
B15A15(∗1) (∗1)These connections are connected
by short-bars before shipment.
Transfer trip command 1
B14
B5
52C (C-ph.) A5 BI3
BI4
B6
A6 BI5
BI6
B7
Disconnector N/C contact A7 BI7
Ditto for monitoring BI8
B8
Dif. protection block (#43C) A8 BI9
External CB close signal BI10
B9
DC power supply A9 BI11
BI12
B10
Transfer trip command 2 A10 BI13
Indication reset BI14
Backup protection block(#43BU) A11 B11 BI15 (-)
CB1 ARC ready(Bus CB)
TB2-A14 BI16
ARC block
BI17 A15 B15 BI18
(-)
(-)
(+)
B4
52A (A-ph.) TB4-A4 BI1 CB1 contacts
(Closed when CB main
contact closed.)
52B (B-ph.)BI2
B13
C-ph. A13
BI21
BI22
B14
A14 BI23
BI24
B15
A15 BI25
A-phBI26
B-ph A16
B16 BI27
C-ph
A18 BI28
B12
A-ph. TB5-A12 BI19 Interlink signals
(Parallel line interlink signal for terminal 1)
B-ph.BI20
External trip signals ( Reclose & CBF Initiation)
IO#1
IO#2
IO#3
A-ph
B-ph
C-ph
Interlink signals (Parallel line interlink signal
for terminal 2, used
for Model 511.)
[Default setting]
52C (C-ph.)
CB2 contacts
(Closed when CB main
contact closed.)
52B (B-ph.)
CB2 ARC ready(Center CB)
52A (A-ph.)
Figure 29 Typical external connection of Model 501, 511
GRL100
37
IO#4
A2
B2
A3
A4
B3
B4
A10
A11
B10
B11
A12
A13
B12
B13
TB3-A1
B1
B16
A16
A15
B15FD1
B18
A18
A17
B17FD2
(+)
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
(+)
IRIG-B
TP-A1
TP-B1
TP-C1
TP-A2
TP-B2
TP-C2
TRIP-B
TRIP-A
TRIP-C
BUS CB
(+)
TRIP-B
TRIP-A
TRIP-C
B14
A12
A13
B13
(+)
TB4- A3
A1
B3
A2
B2
TB4-A14
IO#3
A2
B2
A3
A4
B3
B4
A5
A6
B5
B6
A7
A8
B7
B8
TB5-A1
B1BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
A9
A10
B9
B10
BO9
BO10
(∗∗)Caution: Connect FD output contact with A- to C-phase tripping output contacts in series.
CENTER CB
TX
CKRX
CN2
COM-B
COM-A
0V
RS485 I/F for RSM
TB2-A18
B18
A17
B17
A16
B16
TX
CKRX
TX
RX
TX
RX
Communication
Links Optical
Interface
Electrical
Interface
or
CH1
(*)CH2
CH1
(*)
(One RS485 port)
TB2- A2
A1
B1
B2
RELAY
FAILURE
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A12
B12
B13
A13
(HIGH SPEED
RELAY)
FAIL
BO1
BO2
BO3
BO13
(HIGH SPEED
RELAY)
Fibre optic I/F
(option)
Ethernet LAN I/F
(option) RJ45
IO#1: IO1 module
IO#2: IO2 module
IO#3: IO5 module
IO#4: FD module
Note�����00�503:�2 ter��na��system, �ot�prov�ded ���h ������al����rked�������*).�
���L100������3 ter�������ystem�
Model GRL100-5*3
Te����al�������Ar��ngement ���ar�view��
COM2-B
COM2-ATB2-A18
A17
A16
B18
B17
B16
COM2-0V
COM1-B
COM1-A
COM1-0V
Two ports RS485 I/F (option)
CH1
TX1
RX1
�or�opti�al���ter�ace
IO#1
TB4 TB5
IO#3 �B1�
IO#2�18
TB2�� �B1
VCT
TB1 1 �
29 ��30IO#4
TB3 CN1(IRIG-B)
ETX�
RX�
TX�
RX�
(*)
IO#1
TB4 TB5
IO#3 �B1�
IO#2�18
TB2�� �B1
VCT
TB1 1 �
29 ��30IO#4
TB3 CN1(IRIG-B)
E
�or�el������al��nter�ace
CN2
CH1
CH2
CN2
TB1 -1
4 3 2
7
6 5
8
CT
CT
CB
CB
9
12 11 10
15 14 13
16
BUS
BUS VT
BUS
22
21
23
25
24
26
VT
BUS VT
27
30 28
PARALLEL LINE VT
CB
+5Vdc
DD FAIL.
TB4 -A16
(-)
(+)
0V
B18 A18
E
B17
B16 A17
DC
SUPPLY
(CASE EARTH)
DC-DC
RELAY FAIL. ≧1
B15 A15(∗1) (∗1)These connections are connected
by short-bars before shipment.
Transfer trip command 1
B14
B5
52C (C-ph.) A5BI3
BI4
B6
A6BI5
BI6
B7
Disconnector N/C contact A7BI7
Ditto for monitoring BI8
B8
Dif. protection block (#43C) A8
BI9 External CB close signal BI10
B9
DC power supply A9BI11
BI12
B10
Transfer trip command 2 A10BI13
Indication reset BI14
Backup protection block(#43BU) A11 B11 BI15 (-)
CB1 ARC ready(Bus CB)
TB2-A14 BI16
ARC block
BI17 A15
B15 BI18
(-)
(-)
(+)
B4
52A (A-ph.) TB4-A4 BI1 CB1 contacts
(Closed when CB main
contact closed.)
52B (B-ph.) BI2
B13
C-ph. A13
BI21
BI22
B14
A14 BI23
BI24
B15
A15BI25
A-ph
BI26 B-ph A16
B16 BI27
C-ph
A18 BI28
B12
A-ph. TB5-A12 BI19 Interlink signals
(Parallel line interlink signal for terminal 1)
B-ph.
BI20
External trip signals ( Reclose & CBF Initiation)
IO#1
IO#2
IO#3
A-ph
B-ph
C-ph
Interlink signals (Parallel line interlink signal
for terminal 2, used
for Model 513.)
[Default setting]
52C (C-ph.)
CB2 contacts
(Closed when CB main
contact closed.)
52B (B-ph.)
CB2 ARC ready(Center CB)
52A (A-ph.)
Figure 30 Typical external connection of Model 503, 513
GRL100
38
RS485 I/F
COM-B
COM-A
0V
TB3-A18
A17
B17
B18
A16
B16
IRIG-B
or
TP-A1
TP-B1
TP-C1
TP-A2
TP-B2
TP-C2
TRIP-B
TRIP-A
TRIP-C
BUS CB
(+)
TRIP-B
TRIP-A
TRIP-C
B14
A12
A13
B13
(+) TB4- A3
A1
B3
A2
B2
TB4-A14
TX
CKRX
CN2
Communication
Links Optical
Interface
Electrical
InterfaceTX
CKRX
TX
RX
TX
RX
CH1
(*)CH2
CH1
(*)
(One RS485 port)
IO#3
A2
B2
A3
A4
B3
B4
A5
A6
B5
B6
TB2-A1
B1BO1
BO2
BO3
BO4
BO5
BO6
TB3- A2
A1
B1
B2
RELAY
FAILURE
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A12
B12
B13
A13
(HIGH SPEED
RELAY)
FAIL
BO1
BO2
BO3
BO13
(HIGH SPEED
RELAY)
Ethernet LAN I/F
(option) RJ45
IO#1: IO1 module
IO#2: IO2 module
IO#3: IO6 module
ote GRL100-701: 2 ter��nal�system��not ��ovided ��th�ter��nals �ar�ed ��th �*).�
���GRL100�711: 3 ter���al�system�
Model GRL100-7*1
Ter���al���ock ����ngement ��ear�view��
CH2
Fo��optical��nter�ace
TB2
�B10
�B1
IO#3
TB2
�B1�
�B1
IO#3
����electr��al���ter���e
VCTIO#2
TB1
TB3TB4
IO#1
CN1(IRIG-B)
E
�18
��
�B18
�B1
1 2
19 �20
TX�
RX�
TX�
RX�
(*)
VCTIO#2
TB1
TB3TB4
IO#1
CN1(IRIG-B)
E
�18
��
�B1�
�B1
�1 �
19 �20
CN2
CH1
CH2�
CN2
COM2-B
COM2-ATB2-A18
A17
A16
B18
B17
B16
COM2-0V
COM1-B
COM1-A
COM1-0V
Two ports RS485 I/F (option)
Transfer trip command 1
B14
B5
52C (C-ph.) A5BI3
52A (A-ph.)BI4
B6
52B (A-ph.) A6BI5
52C (A-ph.)BI6
B7
Disconnector N/C contact A7BI7
Ditto for monitoring BI8
B8
Dif. protection block (#43C) A8BI9
External CB cloe signal BI10
B9
DC power supply A9BI11
BI12
Backup protection block (#43BU) A11 B11 BI15 (-) TB3-A14
BI16
BI17 A15
B15 BI18 (-)
(-)
CB2 contacts (Closed when center CB main contact closed.)
(+)
B4
52A (A-ph.) TB4-A4BI1 CB1 contacts
(Closed when bus CB main contact closed.)
52B (B-ph.)BI2
A-ph
B-ph
C-ph
IO#1
IO#2 External trip signals
(Reclose & CBF Initiation)
B8
C-ph. A8BI21
BI22
B9
A9BI23
BI24
CB1 ARC ready (Bus CB)
A10 B10 BI25
CB2 ARC ready (Center CB)
ARC block
B7BI19 Interlink signals
(Parallel line interlink signal for Term1)
B-ph.
BI20
TB2-A7
IO#3
A-ph
[Default Setting]
B10
Transfer trip command 2 A10BI13
Indication reset BI14
BUS
BUS
TB1 -1
4 3 2
7 6 5
8
12
11
13
15
14
16
BUS VT
CT
CT
CB
CB
VT
BUS VT
17
20
18
PARALLEL LINE VT
CB
+5Vdc
DD FAIL.
TB4 -A16
(-)
(+)
0V
B18 A18
E
B17
B16 A17
DC
SUPPLY
(CASE EARTH)
DC-DC
RELAY FAIL. ≧1
B15 A15(∗1)(∗1)These connections are connected
by short-bars before shipment.
Figure 31 Typical external connection of Model 701, 711
GRL100
39
TX
CKRX
CN2
COM-B
COM-A
0V
RS485 I/F for RSM
TB2-A18
B18
A17
B17
A16
B16
IRIG-B
TP-A1
TP-B1
TP-C1
TP-A2
TP-B2
TP-C2
TX
CKRX
TX
RX
TX
RX
TRIP-B
TRIP-A
TRIP-C
BUS CB
(+)
TRIP-B
TRIP-A
TRIP-C
B14
A12
A13
B13
(+) TB4- A3
A1
B3
A2
B2
TB4-A14
Communication
Links Optical
Interface
Electrical
Interface
or
CH1
(*)CH2
CH1
(*)
IO#3
A2
B2
A3
A4
B3
B4
A5
A6
B5
B6
A7
A8
B7
B8
TB5-A1
B1 BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
A9
A10
B9
B10
BO9
BO10
(One RS485 port)
IO#1: IO1 module
IO#2: IO2 module
IO#3: IO5 module
IO#4: IO4 module
TB2- A2
A1
B1
B2
RELAY
FAILURE
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A12
B12
B13
A13
(HIGH SPEED
RELAY)
FAIL
BO1
BO2
BO3
BO13
(HIGH SPEED RELAY)
IO#4
TB3- A2
A1
B1
B2
BO1
BO2
BO3
BO4
BO5
BO6
BO7
BO8
BO9
BO10
BO11
BO12
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
A13
B12
A12
B13BO14
BO1
BO2
BO3
BO13
Fibre optic I/F
(option)
Ethernet LAN I/F
(option) RJ45
Note���������02: ��te����al�syste���not ������ed���th�te����al����rked���th��*).�
���GRL100-712����te�����������em�
Model GRL100-7*2
�er���al���oc��Arr�ngem�nt����ar�view)
COM2-B
COM2-ATB2-A18
A17
A16
B18
B17
B16
COM2-0V
COM1-B
COM1-A
COM1-0V
Two ports RS485 I/F (option)
CH2
TX1
RX1
For�optica����te������
IO#1
TB4 TB5
IO#3 �B18
IO#2A1�
TB2A1 �B1
VCT
TB1�1 � �
19 ��20IO#4
TB3 CN1(IRIG-B)
ETX��
RX��
TX��
RX��
(*)
IO#1
TB4 TB5
IO#3 �B18
IO#2A1�
TB2A1 �B1
VCT
TB1 1 2
19 ��20IO#4
TB3 CN1(IRIG-B)
E
�or�elec����al��nter�ace
CN2
CH��
CH��
CN2
BUS
BUS
TB1 -1
4 3 2
7 6 5
8
12
11
13
15
14
16
BUS VT
CT
CT
CB
CB
VT
BUS VT
17
20
18
PARALLEL LINE VT
CB
Transfer trip command 1
B14
B5
52C (C-ph.) A5 BI3
BI4
B6
A6 BI5
BI6
B7
Disconnector N/C contact A7 BI7
Ditto for monitoring BI8
B8
Dif. protection block (#43C) A8 BI9
External CB close signal BI10
B9
DC power supply A9 BI11
BI12
B10
Transfer trip command 2 A10BI13
Indication reset BI14
Backup protection block(#43BU) A11 B11 BI15 (-)
CB1 ARC ready(Bus CB)
TB2-A14 BI16
ARC block
BI17 A15 B15 BI18
(-)
(-)
(+)
B4
52A (A-ph.) TB4-A4BI1 CB1 contacts
(Closed when CB main
contact closed.)
52B (B-ph.)
BI2
B13
C-ph. A13
BI21
BI22
B14
A14BI23
BI24
B15
A15
BI25 A-ph
BI26 B-ph A16
B16BI27
C-ph
A18BI28
B12
A-ph. TB5-A12 BI19 Interlink signals
(Parallel line interlink signal for terminal 1)
B-ph.BI20
External trip signals ( Reclose & CBF Initiation)
IO#1
IO#2
IO#3
A-ph
B-ph
C-ph
Interlink signals (Parallel line interlink signal
for terminal 2, used
for Model 312.)
+5Vdc
DD FAIL.
TB4 -A16
(-)
(+)
0V
B18 A18
E
B17
B16 A17
DC
SUPPLY
(CASE EARTH)
DC-DC
RELAY FAIL. ≧1
B15 A15(∗1) (∗1)These connections are connected
by short-bars before shipment.
[Default setting]
52C (C-ph.)
CB2 contacts
(Closed when CB main
contact closed.)
52B (B-ph.)
CB2 ARC ready(Center CB)
52A (A-ph.)
B14
TB3-A14 BI34
BI35 A15 B15 BI36
IO#4
Figure 32 Typical external connection of Model 702, 712
I 6640・1 I 1710T0 I
rmO曲一-
72-34, Horikawa-cho, Saiwai-ku, Kawasaki 212-8585, JapanTel +81-44-331-1462 Fax +81-44-548-9540http://www.toshiba-relays.com
The data given in this catalog are subject to change without notice.
TOSHIBA
©C
opyr
ight
201
7 To
shib
a E
nerg
y S
yste
ms
& S
olut
ions
Cor
pora
tion.
All
right
s re
serv
ed.