GE SLR12A Instructions Manual Download | Manualshive

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Courtesy of NationalSwitchgear.com

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Summary of Contents for SLR12A

Page 1: ...GEK 86653C INSTRUCTIONS RECLOSER RELAYS TYPE SLR12A and SLR12B GENERAL ELECTRIC Courtesy of NationalSwitchgear com ...

Page 2: ... i c O p e r a t i o n A d d i t i o n a l F e a t u r e s DC P o w e r S u p p l y AC P o w e r S u p p l y P r i n t e d C i r c u i t B o a r d A s s e m b l y S e t t i n g s P r o g r a m m i n g R e a d P o w e r U p a n d P o w e r D o w n R a t i n g s B u r d e n s 9 10 11 1 3 1 3 1 3 1 4 1 5 1 8 2 2 2 4 2 5 TESTING 2 5 R e c l o s e r S e l f T e s t D i e l e c t r i c T e s t s F u n c...

Page 3: ...ctional Test Diagrams SLR12A Relay Side View Power Supply SLR12B Relay Side View Power Supply SLR12 Relay Side View Relay and Power Supply SLR12 Relay Rear View Surge Board Outline and Panel Drilling Dimensions for SLR Relay 1 34 2 35 3 36 4 37 5 38 38 6 39 7 Dual Use 39 8 40 9 41 10 42 11 43 12 44 13 45 14 46 15 47 16 48 17 49 18 50 19 51 20 52 21 8043813 SLR12 Relay In Case Cover photograph Thes...

Page 4: ...s The CODE switches set to 1 or 0 are used to select which setting is to be made whereas the NUMBER switches set to IN or OUT are used to make the actual setting After the CODE and NUMBER switches have been set the ENTER button is pushed to store the setting in the relay Further details can be found under the Settings section Settings can be checked by pushing the READ button which will cause the ...

Page 5: ...osing is being prevented and i t will go to lockout when i t tries to close the breaker following a manual trip The SLR12 relays have many unique features and a great deal of flexibility in how they may be employed Following is a description of how these features can be used in some special applications Please refer to the OPERATION section for specific details on each of the functions used in the...

Page 6: ...he first selected reclosure and go immediately to the next selected reclosure It is possible to use the high speed reclose initiate RI output from the protective relaying scheme to initiate the reclose cycle but i t must be parallelled by a breaker b switch contact as shown in Figure 4 to ensure completion of the reclose cycle It is also possible to set the SLR relays to provide two separate singl...

Page 7: ...sm check input to be produced and is started when a reclose output is called for If a synchronism check input is not present when the pause time elapses the SLR will go immediately to lockout Note that a synchronism check input is required at all selected reclosures when the pause function is implemented If it is desired not to synchronism check a reclosure some means must be used to bypass the sy...

Page 8: ...o relay stud 2 on the SLR12A or to stud 4 on the SLR12B 2 This connection was included in the design for applications where only one signal was available for reclosing i t requires that the signal have a bounce time less than 16 milliseconds reclosing where a 52a and a 52b signal are available During the reset time 52a closed and 52b open the recloser can be returned to the reset condition by open...

Page 9: ...to extend the reset time or both Auxiliary contacts of the circuit breaker used to indicate the state of the breaker DR P 52a 52b Outputs In Progress is used to indicate that the recloser is in progress for a reclose or reset Relay Spare is an auxiliary relay which can be operated at any selected reclose with adjustable pickup and dropout times Lockout is used to indicate the relay is in lockout s...

Page 10: ... recloser would immediately go to the lockout position thus preventing any further reclosures At that time L O and B I would be displayed on the LCD I f the breaker is tripped manually the recloser will count down to the first reclosure selected no countdown i f instantaneous was selected and at that time will produce an output to reclose the breaker however because the 5 5C contacts of the contro...

Page 11: ...cond pause setting were selected the recloser would count down to each reclosure and at that time would reclose the breaker i f a pause input is present contact closed or would wait 16 seconds from that time for a pause input to be applied If a pause input is applied during that time reclosing will occur immediately otherwise lockout will occur when the pause time elapses provided the pause time i...

Page 12: ...loser is in lockout and i t will stay picked up until the recloser is reset IP In Progress Contacts are provided for use as an indication that a reclosing operation is in progress recloser is completely reset or in lockout LO Lockout Contacts are provided for use when the recloser is locked out The LO function will be picked up only when the recloser is in the locked out position The IP function w...

Page 13: ...r the entire input voltage See Figure 11 range An output signal PV power valid when pulled negative is produced to indicate the power supply is at a safe value for the electronics to operate AC Power Supply The AC power supply is designed to operate at 120 or 240 VAC 50 60 Hz The input voltage is selected with jumper plug PI by setting 120 or 240 Each input voltage will work over the range of 80 t...

Page 14: ... consists of the following circuits 1 Input switches to program the reclose functions 2 Input push buttons to read and test the reclose functions that are programmed in Jumper plugs P10 and PI1 to select the pause and memory functions Logic and memory to produce the reclose functions and readout signals for the LCD liquid crystal display All settings required for the logic and control board will b...

Page 15: ...ress when power to the relay was interrupted 2 I f Pll is set B to 2 i t will power up at reset i f the breaker is closed and at lockout i f the breaker is open Where in the cycle the power was interrupted has nothing to do with the power up of the relay The operation of the NUMBER CODE ENTER READ and TEST switches will be covered in the Programming Read and TESTING sections Programming In order t...

Page 16: ... 1 0 1 1 0 0 1 1 1 1 0 0 0 IT SUM SUM The SECOND 2nd and THIRD 3rd reclose times along with the RESET time can be set from 1 to 159 seconds I f no time is selected for the SECOND reclose THIRD reclose or RESET time all numbers of each CODE entered in the OUT position the delay will be 1 second 4 Set Time Multiplier NUMBER 4 2 1 5 SELECT ONEJ CODE TIME 1 0 0 1 MULTIPLIER The TIME MULTIPLIER multipl...

Page 17: ...S Relay Spare is an output signal that is selected to operate at or with a time delay from one of the four reclose signals The PICK UP and DROP OUT time delays both start at the selected reclose I f DROP OUT is set at 6 and PICK UP is set at 4 and RS is set at 2nd the RS output will operate 4 seconds after the 2nd reclose and stay picked up for 2 seconds DROPOUT PICKUP 1 1 0 0 1 1 0 1 1 1 1 0 ERS ...

Page 18: ... recloser changing state i f the input power is removed from the recloser OUT the output relay will be reset i f the input power is removed from the recloser Being able to select whether the outputs BI RS IP LO are to be latched or reset on power down is not contingent on the position of Pll being in the 1 to B or B to 2 position I f the switch is IN the output relay will stay latched without I f ...

Page 19: ...of the timed reclosure 2 along with the time will be on solid and REC will blink for 4 seconds 3 3 3 REC REC 3 J U C f 2nd timed reclosure set at 5 seconds 2nd timed reclosure set at 34 seconds Time of reclose 3rd The number of timed reclosure 3 along with the time will be on solid and REC will blink for 4 seconds 4 3 3 REC J REC _ I t c n u u n i u t y 3rd timed reclosure set at 60 seconds 3rd ti...

Page 20: ...e on solid and pause will blink for 4 seconds RES for reclose and reset If is on solid pause is for reset only and if RES is blinking pause is If RES is not on pause is for reclose only RES I i P P R R s n E U s c E u Pause limit set at 0 seconds reclose only Pause limit set at 16 seconds N 3 RES L n u u i R goo u o s s U E E Pause limit set at 2048 seconds reclose only Pause limit set atOO 20 Cou...

Page 21: ... Pickup set at 0 5 seconds and dropout set at 12 seconds Pickup set at 0 and dropout set for lockout of the recloser 8 Reclose position of RS The RS start position will be on solid and R S will blink for 4 seconds T J B S R S 3 L Timing of RS set to start with the 2nd reclose signal Timing of RS set to start with the INST reclose signal 21 Courtesy of NationalSwitchgear com ...

Page 22: ... and the selected reclosures The following is a summary of the operation of relay RS during power down and power up Assume RS is selected to operate at a reclosure that is earlier in the cycle than the first selected reclosure i e RS is set to operate at the Instantaneous reclosure but only the 1st and 2nd reclosures have been selected For this condition RS will be picked up except for lockout pic...

Page 23: ...s picked up when the recloser was powered down and the NUMBER switch for RS was in the OUT position i t will drop out on power down RS will then operate on power up immediately and not wait for the pickup time 1 1 1 D If the dropout of RS is set for a time delay and there is a power down during C or D the following will occur If RS was not picked up when the recloser was powered down i t will not ...

Page 24: ...E TYPE RELAY CONTACTS CONNECTION STUDS 19 AND 20 AMPERES INDUCTIVE NON INDUCTIVE AC VOLTS 0 75 2 0 120 0 50 1 5 240 DC VOLTS 3 0 1 0 48 1 5 125 0 5 1 0 0 25 250 The inductive rating is based on a L R ratio of 04 second TABLE II INTERRUPTING RATINGS OF AUXILIARY RELAY CONTACTS CONNECTION STUDS 11 12 13 14 15 16 17 and 18 1 FORM A 1 FORM B ARRANGEMENT GOLD FLASH OVER SILVER ALLOY CONTACT MATERIAL 30...

Page 25: ...circuit breaker closes i t will open immediately During the test the output relays do not change state Reclose signals are indicated by the reclose LED green light emitting diode I f the circuit breaker is closed during test 52a closed and 52b open the relay will time down all the reclose operations programmed in wait 4 seconds in lockout do a manual close and count down the reset time I f the cir...

Page 26: ... 2 REC J REC R S 2 i L t BJ u IJ 2nd timed reclose counting down in 1 second intervals REC R S and B I are blinking R S being on could be from being set at INST with a time delay or being set at 1st 3rd timed reclose counting down in 1 second intervals REC are blinking R S being off indicates the dropout time has timed out and B I RES 2 j CL 1 BX UL UL I V Relay is now at lockout for 4 seconds B I...

Page 27: ... be made to tie all relay terminals including terminal 1 together Hipot voltage can then be applied between the common connection and the relay case Transverse Mode Hipot Tests between circuits For hipot tests between circuits of the relay the surge capacitors must be temporarily disconnected from the surge capacitor bus inside the relay The relay terminals should be jumpered to provide the groups...

Page 28: ...IN 6 CODE push ENTER All reclosures in 4 A 0 0 0 0 0 0 1 OUT OUT OUT OUT push ENTER i B 0 SUM for 1st 5 push ENTER 0 1 0 IN OUT OUT IN C 0 0 1 1 OUT OUT OUT OUT push ENTER 0 D SUM for 2nd 1 push ENTER 0 1 0 0 OUT OUT OUT IN E 0 1 0 1 OUT OUT OUT OUT push ENTER F SUM for 3rd 2 OUT OUT IN OUT push ENTER 0 1 1 0 G OUT OUT OUT OUT 0 1 1 1 push ENTER H SUM for RES 3 0 0 0 OUT OUT IN IN push ENTER 1 I p...

Page 29: ...en release circuit will pick up along with the IP In Progress relay of the recloser Reset of the LCD will come on and the LCD will count down the 12 second reset time After the reset time BI LO and IP relays will drop out and only RES will appear on the LCD The SLR relay is now in the reset condition RES During the 1 second period the Push the OPEN button for 1 second and then release following oc...

Page 30: ...tes the RS Relay Spare relay when the 2nd reclose of 52 takes place relay has picked up reclose and the 3rd reclose of the reclose cycle due to Instantaneous reclose being called for With 52 picked up the recloser is in reset and is counting down the 12 second reset time The recloser will now do REC 2 2nd reclose The 2nd reclose is R S of the LCD will come on to indicate that the RS I t should be ...

Page 31: ...backed contact fingers mounted in stationary molded inner and outer blocks between which nests a removable connection plug which completes the circuit blocks attached to the case have the studs for the external connections and the inner blocks have the terminals for the internal connections The cover attaches to the case and The outer The relay electronics are mounted in a steel framework called t...

Page 32: ... be produced when the recloser is inserted in its case and its power restored See WARNING on page 33 When the SLR relay is removed the normally closed circuits are shorted in the relay case This shorting takes place when the upper connection plug is removed After the SLR relay is inserted into the case the connection plugs can be inserted in either order The output relays will remain in their latc...

Page 33: ...reely WARNING UNLIKE THE SLR11 RELAYS THE SLR12 RELAYS CAN BE POWERED UP IN THE RECLOSE CYCLE RESTORED TO THE SLR12 A RECLOSE SIGNAL MAY BE PRODUCED TIME IT IS UNDESIRABLE FOR THE CIRCUIT BREAKER TO CLOSE OR IF THE CIRCUIT BREAKER IS BEING WORKED ON THE RECLOSE SIGNAL TO THE BREAKER SHOULD BE INTERRUPTED WITH A SWITCH SUCH AS THE 79C0 SHOWN IN FIGURES 1 AND 2 ON PAGES 34 AND 35 MAY OCCUR IF THE CI...

Page 34: ...2 i52Y 52Y T T 52X 52Y 52CS BREAKER CONTROL SW MODEL I6SBIDD920STS2P W ESCU 6402670 W NP 78848 G NORMAL AFTER CA OSF AFW TRIP CONTACT NUMBER CLOSE TRIP NOTE 52 b CONTACT REQUIRED ONLY IF REC CONTACT RATING IS EXCEEDED 2 x a o 2 X B Iho CHI O 2 X X 4 X 5 X B 11 o o 11 B X 3L X X X 7 7 ii 8 O Iho o ll o X Figure 1 0285A9533 1 Elementary Diagram Showing Typical External Connections to the SLR12A 34 C...

Page 35: ...52 NOTE b rKi52Y f 52Y T 52CS r f BREAKER CONTROL SW MOOEL I6SBID0920STS2P W E S C U 6402670 W N P 7 8 8 4 0 G 5 2Y NORMAL AFTER ClQSF NORMAL PT TR P AC CONTACT NUMBER CLOSE 2 IJ x I NOTE 52 b CONTACT REQUIRED ONLY IF REC CONTACT RATING IS EXCEEDED o o X H 6 Iho OHl o X X ci X a 11 O O 11 X X 13 X X H X 7 6 O 11 o o 11 o X m X Figure 2 0285A9534 1 Elementary Diagram Showing Typical External Connec...

Page 36: ... 3 IOC 5 IN L 51 N TOC IOC IOC 10 C TOC TOC TOC 7 9 61 5 2CS BI 6 C 17 T IS 51 52 I A C 51N c 7 5 S L R 5 2 s T C Figure 3 0285A6294 Use of Contact to Block Instantaneous Trip Circuit Prior to First Reclosure 36 Courtesy of NationalSwitchgear com ...

Page 37: ... oc o l J 10 CQ I I 7 o DR I N I T I A T E o H Q I I I INST PILOT TRIP 7 9 XX SLR D 85 X D 52 RI v CL TO 79 SLR RECLOSING RELAY 85X BCA OR SCA D BLOCKING DIODE 52 STUD 7 OF 79 TC Figure 4 0285A6293 2 RI and Delayed Trip Diagrams 37 Courtesy of NationalSwitchgear com ...

Page 38: ...ANEOUS OR TIME DELAY SINGLE SHOT N0 2 TIME DELAY ONLY Figure 5 0285A9531 1 Connections for Two Separate Single Shot Reclosures Each with a Different Time Delay 2 i SYNC CHECK 52 a 14i 6 o 12 68 69 610 13 PAUSE INITIATE RESET RS 79 RECLOSER SLRI2 Figure 6 0285A9531 2 Connections for Synchronism Check Function 38 Courtesy of NationalSwitchgear com ...

Page 39: ...2 79 RECLOSER SLRI2 a TOC TIME OVERCURRENT I O C INSTANTANEOUS OVERCURRENT Figure 7 0285A9532 1 Delay Reset for Ground Faults 2 52 T a 4 DELAY 7 RESET c 52 I b 1SYNC T CHECK 79 RECLOSER 6 8 PAUSE SLRI2 Figure 8 0285A9532 2 Pause Function Dual Use 39 Courtesy of NationalSwitchgear com ...

Page 40: ...0 280 290 17 0 M 18 SURGE CAPAC I TORS 05 uf TOTAL 3 19 0 R O 300 20 _ 1 Uio l 0 O SURGE CAPACITORS 0047 TOTAL C4 33o 34 o 3 So 36 O 370 ALL CAPACITORS ON SURGI E BOARD 02 5B 5504 5 f I 380 390 1 l_ oO_ J SHORT F IKMSER 0 0 8 8 no TO v v v V V V V V o c 3 I 7 9 0 DC IN O O J SURGE 2 GROUND 10 8 52a 52b DR P Figure 9 0286A1828 1 Internal Connections for SLR12A Revised since last issue 40 Courtesy o...

Page 41: ...2 8 0 2 9 0 300 o SURGE CAPAC lTORS 05 uf TOTAL 4 I 90 R o SURGE BOARD 0 21 O 2 2 O 2 3 L _ _ J 3 I 32 S J SURGE CAPACITORS 0047 cf TOTAL 4 33 3 4 Q I 35 J o 3 6 o I 370 I 380 390 IXoQ_ _j ALL CAPACITORS OM SuPGkE BOARD 021SBS5O4 V2 i i t S Ho AT p UvlAER 0 Q p X X X X X V V V V V V V 9 5 7 I O O O s LIN SURGE GROUND 8 AC 6 4 DR 52a 52b DC OUT P Figure 10 0286A1829 1 Internal Connections for SLR12...

Page 42: ... 0 05 I60K i i UF 4 i 4 17 6 n 2N 322 470K i 3439 4 J TP4 TP5 f4 2 2UF Y II 5 1V yW 32MH 2N 3 92K 20K 12 2222A VuV 2N 1 UF PV 29G7A If IOK Q VvV 4 7K 2N 2N 7n s 3439 IK IK 1 23V I 33K 52 2K St 13 20 Figure 11 0285A9527 DC Power Supply 42 Courtesy of NationalSwitchgear com ...

Page 43: ...DETAILS ARE SHOWN ON DWG 0I53D6584 vw IK 240V 2UF 0 6 M Pl 9 9 120V K Tl 2N504O v 1 2 6H 3 Q 3 3K L 2N3439 10 330UF4 rrz iTl5V PV iO IUF 2N2222 A S 470H Figure 12 0285A9529 AC Power Supply 43 Courtesy of NationalSwitchgear com ...

Page 44: ... MULTIPLIER 4 2 l 5 i 1024 64 4 0 oo256 16 1 L 24 12 6 4 2 10 1 0 0 1 1 0 1 0 h PAUSE 1 1 0 1 TEST DROP OUT 1 PICK UP 1 RS OPERATE 1 0 0 1 1 0 1 3RD 2 NO 1STINST Bt RS IP LO LATCH SELECT ONE 0 1 1 1 READ 1 1 1 TIME IN SECONOS GENERAL ELECTRIC STATIC RECLQSING RELAY 1 A 2 1 MODEL 12SLR12B1A l 50 60 HZ 120 240 AC VOLTS B 2 INSTRUCTION BOOK GEK 86653 PART BULLETIN GEF 6003 MALVERN PA MADE IN UJLA NP ...

Page 45: ...7 V P 27 K4 O T 20 B1 1 52B 47UFT 52BI Vl M Bl o 2003 RECo 1 2e AM 1 W YA w T VA VA 38 52A 47UF r K 52AI 15V 33 30 V T V rVA MV ASV T VA m w 14 e 2N 4 7K 13 5 0 2222A 47UF r DRI 3055 I000UF 5 1 O NOTE CIRCUIT DETAILS ARE SHOWN ON DWG 0I53D658I T0 LOGIC AND CONTROL FIG 15 5 IK 31 o PVO 32 Figure 14 0285A9528 Relay and Power Supply 45 Courtesy of NationalSwitchgear com ...

Page 46: ... i i DEFAULT MEMORY PAUSE CONTROL REC TEST S 9835Stefas CD Q E U 5 v PV PV CODE O 0 PII 4 sr HE J L VQ2 r o g 0 01MF r J PIO IIA 2 I I o I 2210 F cn V G o t M 5 1 o i VALUE 4 o J L RECLOSE cn cn 0 o o GREEN 4019 L5K i POWER WYELLOW 13 5V TPI 9 J2 o _o o_ 6 0 6 6 RS BI IP L BIRSIP L NOTE CIRCUIT DETAILS ARE SHOWN ON DWG 0I53D6582 TO RELAY AND POWER SUPPLY FIG 14 13 5 o TP2 9 5 1V 5 1 o TP30 o Figur...

Page 47: ...UT o CLOSE 52 020 18 12 16 14 M H I P r52 L O B I REC R S I2SLRI2B FRONT VIEW INDICATOR CIRCUIT IF REQUIRED OPEN A A C INPUT INPUT SURGE w 52b 4 GROUND 52 GND 4 NOTE THE 5WITCHES ON THE ABOVE CIRCUITS ARE MOMENTARY THE 52 RELAY COIL SHOULD BE RATED FOR THE INPUT V0LTA6E Figure 16 0285A9530 Functional Test Diagrams 47 Courtesy of NationalSwitchgear com ...

Page 48: ...EK 86653 14 VDC SUPPLY P3 DC POWER SUPPLY PLUG fts TP4 TP5 TEST POINTS SURGE BOARD REACTOR CHOPPER SUPPLY 1 ft Figure 17 8043814 SLR12A Relay Side View Power Supply 48 Courtesy of NationalSwitchgear com ...

Page 49: ...GEK 86653 P2 AC POWER SUPPLY PLUG PI 120 240 INPUT VOLTAGE SETTING SURGE BOARD INPUT TRANSFORMER CRADLE Figure 18 8043815 SLR12B Relay Side View Power Supply 49 Courtesy of NationalSwitchgear com ...

Page 50: ... INSTANTANEOUS OUTPUT RELAYS P4 P5 RELAY AND POWER SUPPLY PLUGS INPUT CIRCUITS 5 VDC SUPPLY E P9 IN OUT PAUSE FUNCTION Figure 19 8043816 SLR12 Relay Side View Relay and Power Supply 50 Courtesy of NationalSwitchgear com ...

Page 51: ...GEK 86653 SURGE BOARD Figure 20 8043817 SLR12 Rear View Surge Board 51 Courtesy of NationalSwitchgear com ...

Page 52: ...81 71MM 1 1 75 46MM L r 3 50 88MM t CUTbUT i 9 75 247MM 5 562 142MM T 1 0 0 0 0 254MM i 4 50 I 114MM t I 1 1 468 T 37MM I l o 9 I 718 18MM 2 50 2 843 7 2MM 6MM 218 218 500 1EMM TYPICAL 5MM 5MM 5 25 133MM 5 687 PANEL 144MM 3 4 DRILL 20 HDLES 19MM PANEL DRILLING FDR SURFACE MOUNTING FRONT VIEW PANEL DRILLING FDR SEMI FLUSH MOUNTING FRONT VIEW J m CA 5 16 18 STUD 3 0 76MM VIEW SHDWING ASSEMBLY DF HAR...

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