GE SLYG81A Instructions Manual Download Page 14 | Manualshive

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Courtesy of NationalSwitchgear.com

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Summary of Contents for SLYG81A

Page 1: ...INSTRUCTIONS GEK 49813C STATIC THREE PHASE DIRECTIONAL GROUND DISTANCE RELAY TYPE SLYG81A GENERAL ELECTRIC Courtesy of NationalSwitchgear com ...

Page 2: ...HANICAL INSPECTION CASE AND CRADLE BLOCKS TARGET UNIT TELEPHONE RELAY ELECTRICAL TESTS GENERAL DIELECTRIC TESTS DETAILED TESTING INSTRUCTIONS INSTALLATION PROCEDURE INTRODUCTION SURGE GROUND AND RELAY CASE GROUND CONNECTIONS TEST PLUGS INSTALLATION TESTS PERIODIC TESTING AND ROUTINE MAINTENANCE CONTACTS ELECTRICAL TESTS SERVICING RENEWAL PARTS CAUTION ADDITIONAL CAUTION APPENDIX I LIST OF FIGURES ...

Page 3: ...underreaching or overreaching tripping relay in any of the directional comparison scheme If the directional comparison scheme uses ground distance blocking relays the Type SLYG82A blocking relay described in instruction book GEK 49814 should be used in the scheme to coordinate with the SLYG81A tripping relay The SLYG81A has a variable mho characteristic which provides an optimum accommodation of f...

Page 4: ... advantages over previous designs in simplifying the application of a ground distance relay for either first or second zone applications The first and second inputs a and b to the comparator produce the well known quadrature polarized ground distance unit with a variable mho characteristic The variable mho characteristic increases in size as the source impedance increases to accommodate increasing...

Page 5: ...tion in ambient temperatures between 20 C and 55 C per ANSI standard C37 90 1978 In addition these relays will not malfunction nor be damaged if operated in an ambient up to 65 C The current circuits of the relays that are rated 5 amperes rms will carry 10 amperes rms continuously and will carry 250 amperes rms for 1 second The current circuits of the relays that are rated 1 ampere rms will carry ...

Page 6: ...equence ohms The relay should be within 5 of the value given by equation 1 if the ambient temperature is within the rated range of 20 C to 55 C SURGE WITHSTAND CAPABILITY These relays will withstand ANSI C37 90A 1974 surge test without incorrect operation or damage to any component POWER SUPPLY Models are available with ratings of 48 cits DC 38 to 56 volts 110 volts DC 88 to 120 volts or 125 volts...

Page 7: ... amps 3 5 secs 30 secs 0 18 ohm 0 65 ohm CHARACTERISTICS OPERATING PRINCIPLES The mho characteristic in the SLYG81 is obtained by converting relay currents into voltage signals IZ combining these IZ signals with signals proportional to the line voltage V and measuring the angle between the appropriate combinations to obtain the desired characteristic Currents are converted into IZ signals by means...

Page 8: ...he relay at the angle 0 is equal to the IZ base reach tap chosen If a voltage tap other than 100 is chosen reach is increased in inverse proportion to the voltage tap For example if the 50 voltage tap is used relay operation still occurs for the same voltage applied to the measuring circuit but since the actual line voltage is twice this amount the relay reach is twice as great Relay reach at the ...

Page 9: ... 3 0 0 2 amperes FOTZRI 3 ohms 3 Q 0 2 ZRI Operate Circuit Sensitivity 4 See Figure 11 for sensitivity in terms of V _N T 100 To determine current sensitivity the ratio of lo to l0 must be known or assumed and the ratio of Zoi_ to Zu_ must be known The current sensitivity can then be determined from the formula 0 IQ ZRI IQKQZRO 0J_6 1 X where actual reach nominal reach X For example if l0 3loand K...

Page 10: ...Out Picked Up Dropped Out Picked Out 48 200 48 315 110 90 110 175 125 80 125 155 250 260t 260t 250 t Input to studs A and C of external pre regulator CIRCUIT DESCRIPTION The internal connections for the Type SLYG81A relay are shown in Figure 2 The terminal numbers at the top and bottom OT this diagram represent the external connections to the relay The external connections can be grouped as shown ...

Page 11: ...duced by the SP card and which other card are fed by each signal TABLE VI OUTPUTS FROM SP CARD INPUT TO CARD OUTPUT SIGNAL FROM SP CARD Quadrature Polarizing QP Coincidence Logic CL VAN VBN VCNI VAN VBN VCN CK0I0ZRO Vo IA IO ZRI KOIOZRO TVAN IB IO ZRI KOIOZRO TVBN OC IO ZRI KOIOZRO TVCN Operate Signal OS The Quadrature Polarizing QP card produces a voltage VBC 90 j VBC by algebraic summations of V...

Page 12: ... 14 In addition a third normally open contact of K2 is connected between terminals 19 and 9 without a target for auxiliary functions The input DC control power 48 110 or 125 volts is connected to the power supply PS card which contains a DC to DC converter The outputs of the DC to DC converter are 15 and 15 volts DC regulated which supply the necessary control power to the other cards The transfor...

Page 13: ...y impedances as follows Zj 42 Z83 ZQ 130 Z78 Assume CT ratio is 1000 5 and PT ratio is 2000 1 1000 1 4 2 Z83 Z sec 42 l 2000 5 1000 1 13Z78 ZQsec 130 5 2000 FIRST ZONE RELAY SETTING The first zone relay can be set up to 85 of the line impedance for positive sequence impedance angles above 75 and 80 for positive sequence impedance angles above 70 For line angles lower than 70 refer to the local GE ...

Page 14: ... K0ZR0 SETTING SHOULD NOT BE GREATER THAN TWICE THE ZERO SEQUENCE IMPEDANCE OF THE LINE CONSTRUCTION The type SLYG81A relay is assembled in a deep large sized double ended L2D drawout case having studs at both ends in the rear for external connections The electrical connections between the relay unit and the case studs are through stationary molded inner and outer blocks between which nests a remo...

Page 15: ...tory The potential transformers TA TB and TC and the transactors XA XB XC and XO are mounted at the rear of the cradle as shown in Figure 4 The tap block below the transactors is used to set the base reach to the value determined in the CALCULATION OF SETTINGS section of this book The four leads tagged A the desired ohmic value labeled 0A 0B 0C and NEUT respectively For example Figure 4 shows a ba...

Page 16: ...PTANCE TEST should be made to make sure that no damage has been sustained in shipment and that the relay calibrations have not been disturbed These tests may be performed as part of the installation or of the acceptance tests at the discretion of the user Since operating companies use many different procedures for acceptance and installation tests the following section includes applicable tests th...

Page 17: ...f at least 0 015 inch and all circuit opening contacts should have a wipe of 0 005 inch Gap may be checked by inserting a feeler gage between the contacts and wipe can be checked by observing tne amount of deflection on the stationary contact before parting the contacts The armature should then be operated by hand and the gap and wipe again checked as described above 0 015 gap 0 005 wipe ELECTRICA...

Page 18: ... TABLE X CIRCUIT GROUPING FOR TRANSVERSE MODE HIPOT TESTS CIRCUIT GROUP JUMPER BETWEEN TERMINAL NUMBERS I 2 3 4 5 6 7 and 8 15 16 17 and 18 9 19 and 20 II 12 13 and 14 AC Current AC Potential DC Control Power Output Contacts An alternate test using a 500 volt DC Megger can be performed between the circuit groups of Table X with the surge capacitors connected in their normal manner While this metho...

Page 19: ...desired reach TABLE XI RECOMMENDED TEST CURRENT 1 AMPERE RATED RELAY 5 AMPERE RATED RELAY BASE REACH TAP RECOMMENDED MINIMUM TEST CURRENT RECOMMENDED MINIMUM TEST CURRENT BASE REACH TAP 0 5 4 t 20 t 0 1 20tt 1 0 4tt 0 2 2 2 0 10t 0 4 1 6 8 3 75 0 75 7 5 0 8 4 1 5 15 0 4 2 3 tt The relay is not rated to carry this current continuously It should not be applied longer than five 5 minutes with an off ...

Page 20: ...nt 5 of the value calculated by equation IN Ko T VT ZRI f 2 NOTE THE MEASURED PICKUP SHOULD AGREE WITH THE CALCULATED VALUE WITHIN 5 IF THE VALUES DO NOT AGREE WITHIN THESE LIMITS IT IS RECOMMENDED THAT THE TEST SETUP AND METER CALIBRATIONS BE CHECKED BEFORE THE FACTORY SETTINGS ON THE RELAY ARE DISTURBED ONE GOOD METHOD OF CHECKING THE TEST SETUP AND PROCEDURE IS TO REPEAT THE TESTS ON A DUPLICAT...

Page 21: ... limited number of resistor reactor fault impedances are available only a few points on the relay characteristic can be checked Inteqratinq Timer Tests The integrating timer IT card has three adjustments as indicated in Table XIII 5 TABLE XIII TIMER ADJUSTMENT LOCATIONS 50 Hz RELAY FACTORY SETTING 60Hz RELAY FACTORY SETTING MILLISECONDS MILLISECONDS POTENTIOMETER FUNCTION LOCATION POTENTIOMETER DE...

Page 22: ...esired characteristic To check the transient pickup time setting the following procedure should be used Remove the CL card Connect the test circuit of Figure 25 With the oscilloscope trigger on positive slope open the normally closed contact The Channel Two trace should step positive 5 5 milliseconds 50 Hz 6 6 milliseconds 0 1 millisecond after the Channel One trace steps positive a b c INSTALLATI...

Page 23: ...y and the external circuitry Additional information on the XLA test plugs may be obtained from instruction book GEI 25372 INSTALLATION TESTS Since operating companies use many different procedures for acceptance and for installation tests the section under ACCEPTANCE TESTS contains all necessary tests that may be performed as part of the installation procedure at the discretion of the user The min...

Page 24: ...is so delicate that no scratches are left yet it will clean off any corrosion thoroughly and rapidly Its flexibility ensures the cleaning of the actual points of contact Do not use knives files abrasive paper or cloth of any kina to clean relay contacts ELECTRICAL TESTS The reach tests described under the ACCEPTANCE TESTS section should be repeated and the results compared against the desired sett...

Page 25: ...C is on PS card pin 40 to pin 24 If not check input terminals 19 t o 20 2 Remove PS card and jumper pins 17 and 40 of the PS card If the relay does not pick up when power is restored then K2 o r T I is defective 3 If the relay picks up with the jumper in the preceding step 2 then remove the jumper and reinsert PS card Remove the CL card and the relay should pick up If not K1 relay is possibly defe...

Page 26: ...gnetics and the SP card Check wiring between all PC cards If an error in wiring is found and corrected and the relay still does not pick up return to preceding step 1 to find defective PC card 2 Incorrect wiring and or defectivecard IV Out of specification in maximum reach 30 tests 1 Incorrect steady state pickup 1 Set steady state pickup time pot and time on IT card recheck other phases 2 Defecti...

Page 27: ...h component has failed This however may be time consuming and if the card is being checked in place in its unit as is recommended will extend the outage time of the equipment CAUTION Great care must be taken in replacing components on the cards Special soldering equipment suitable for use on the delicate solid state components must be used and even then care must be taken not to cause thermal dama...

Page 28: ...itive sequence of VBC voltage in volts rms positive sequence of VCA voltage in volts rms relay voltage during test in volts rms system positive sequence phase to neutral impedance in ohms line positive sequence phase to neutral impedance in ohms source positive sequence phase to neutral impedance in ohms line negative sequence phase to neutral impedance in ohms source negative sequence phase to ne...

Page 29: ... Card QP 46 Card Layout for Quadrature Polarizing Card QP Internal Connections for a 60 Hertz Operate Signal Card OS Internal Connections for a 50 Hertz Operate Signal Card OS Card Layout for Operate Signal Card OS Internal Connections for Coincidence Logic Card CL Card Layout for Coincidence Logic Card CL Internal Connections for Integrating Timer Card IT Card Layout for Integrating Timer Card IT...

Page 30: ... CL UJ o a to o CL 3 2 S A CL U z J 00 I 3 LU O g a 2T CC Q_ S CO u o r 5 OLU s z o Ol J21 o f fxi 2 r s o 054 l ns 4 o 1 o CO H o UJ Q_ CL 25 REACH SETTING POTS AND Ko ADJUSTMENTS SIGNAL DERIVATION CIRCUITRY O cr 3 LU 03 tH a o 2 z z u o HJ m n_ 00 K a o CD 3cr o COO h 4 I IXJ A ii UJJA1 UaxH1 LUJJH11 men rrm am UULU UJU X u 11 UJ cc LU to A A A A CQ A A A A A A 8 CO z 2 z L u CD I I I rO 1 4 1 4...

Page 31: ...5 ro 1BZ 32 27 IT 40 24 njpc SVCN icz 2 1 CL 49 39 40 43 1 9 PS 17 1 1 6 15 122 0184B5609 SP 5 o o 32 32 CD CD 9 1 43 43 1 9 OS 0 1 6 o 24 23 m 30 IAZ 1 AOS 23 CD 1 9 1 B 31 in in 1BZ 1 ro fo BOS 2 2 2 0 36 in oi 37 28 ICZ 1 a COS 45 37 31 39 in 48 47 41 ro 43 l 9 rozo 36 45 4 43 1 9 43 1 9 43 1 9 1 5 V REF 15 V R 101 R102 Rl0 3 R 10 4 XuLT XULT XA XC X0 7 K2 8 flTi ffiPi NOTE I PRE REGULATOR USED...

Page 32: ... 9 o NOTE K 2 CT A PT GROUNDS SHOULD BE B MADE AT THE SWITCHBOARD 5 POWER SUPPLY K 2 A I2 A 9 o V 20 TRI P T R I P EXTERNAL PRE REGULATOR SEE NOTE 2 RELAY HOUSE GROUN D NOTE 2 PRE REGULATOR USED FOR RATED INPUTS EXCEEDING I25VDC Figure 3 0257A6175 2 SLYG81A External Connections 32 Courtesy of NationalSwitchgear com ...

Page 33: ...GEK 49813 TC TB r TA XB XO XA XC BASE REACH TAPS TB Figure 4 8043554 Rear View of SLYG81A Short Reach Model Out of Case 33 Courtesy of NationalSwitchgear com ...

Page 34: ...GEK 49813 BASE TAP INDICATOR PERCENT RESTRAINT SETTING T Figure 5 8043552 Front View of SLYG81A Relay Out of Case 34 Courtesy of NationalSwitchgear com ...

Page 35: ...ED L I N E 4 v R Figure 6 0257A6183 Typical MHO Characteristic 4 RELAY MAXIMUM RFACH ANGLE G LINE ANGLE IZ V IX V IZ e IR INTERNAL FAULT P 90 BALANCE POINT 0 90 EXTERNAL FAULT B 9Cc Figure 7 0227A2090 MHO Characteristic by Phase Angle Measurement 35 Courtesy of NationalSwitchgear com ...

Page 36: ...GEK 49813 C II M C L INPUTS toto Ufo _y o i C L J OUTPUT 90 I T 11 OUTPUT Figure 8 0257A6184 1 Measurement Principle 36 Courtesy of NationalSwitchgear com ...

Page 37: ...GTH 0 Figure 9A 0257A6180 Sh 1 3 Typical Operating Time for a 60 Hertz First Zone Relay 3 5 I S T ZONE RELAY AVERAGE T I M E INCLUDING OUTPUT RELAY I 0 0 M 1 L I N E 2 5 M I SOURCE REACH 85 0F LINE 5 0 HERTZ RELAY 3 0 Q Z o o 5 r UJ c0 1 20 7 E 1 5 UJ 0 O z 5 cr UJ Q_ O 0 9 0 1 0 0 8 0 I 0 2 0 5 0 6 0 7 0 0 3 0 4 0 FAULT LOCATION A S PERCENT O F L I N E LENGTH Figure 9B 0257A6180 Sh 2 Typical Oper...

Page 38: ...ENGTH Figure 10A 0257A6176 Sh 1 2 Typical Operating Time for a 60 Hertz Second Zone Relay to o z o 2ND ZONE RELAY REACH I 75 OFLlNE AVERAGE TIME INCLU 0 ING OUTPUT RELAY 100 Ml LINE 25 M I SOURCE 50 HERTZ RELAY o UJ tD 20 t 15 UJ 10 H CD 5 cr 0 UJ 0 I 0 2 0 3 0 4 0 5 0 60 70 8 0 I 0 0 9 0 Q_ O FAULT LOCATION AS PERCENT OF L I N E LENGTH Figure 10B 0257A6176 Sh 2 Typical Operating Time for a 50 Her...

Page 39: ...t ft o N cn 100 J CD Z 9 0 30 5 a fD m O 8 0 o n 2 i UJ D 4 CD CD u oo a O 7 0 U c p 0s io T1 6 0 Q z c 2L x O 5 0 TJ 3 UJ Q CE 0 v n 10 3 0 5 0 6 0 7 0 2 0 4 0 0 o VLN AT RELAY FAULTED PHASE MULTIPLIED BY RESTRAI NT TAP SETTING IN o Q IQ a 100 ...

Page 40: ...ARY BRUSH TERMINAL BLOCK SHORTING BAR NOTE AFTER ENGAGING AUXILIARY BRUSH CONNECTING PLUG TRAVELS 1 4 INCH BEFORE ENGAGING THE MAIN BRUSH ON THE TERMINAL BLOCK Figure 12 8025039 Cradle Block and Terminal Block Cross Section 40 Courtesy of NationalSwitchgear com ...

Page 41: ...5 CUTOUT MAY REPLACED DRILLED 1 HOLES x OPTIONAL 1 n CASE o 1 T g DRILL fe 7S l3 50GpH t S 1 ISIMM 252MM 9 937 PANEL y S I 98ML 5 7 781 ir 18 STUD v342 S02MM 4 119 75 CUT OUT 4 L 504MM 19 87 C88MM 44MM K3 SOO 1 75 395MM I5 5b2 241MM 9 50 3 I9MM iSK26HOLES OTH ENDS 7GMM 9 o T VIEW SHOWING ASSEMBLY OF HARDWARE FOR SURFACE MTG ON STEEL PANELS joRILL GHOLES GMM I8MM J JfcMM 250 718 0 TYPICAL PANEL DRI...

Page 42: ...r T L A PS CARD CL CARD 1 DROPOUT TIME P3 IT CARD a i f II A TRANSIENT PICKUP TIME P1 4 KO PLUG 1 ni 1 i i PERCENT RESTRAINT SETTING T m is QP CARD OS CARD SP CARD m 3 PHASE A REACH P1 PHASE B REACH P2 PHASE C REACH P3 i siS pill 1 5 p H Figure 14 8043553 Front View of Relay Out of Case with Nameplate Removed 42 Courtesy of NationalSwitchgear com ...

Page 43: ...GEK 49813 y HP 6 f i j j i i H H f 1 H i i8 j M j v fi 5 l ill Nsamf tmmn M0 SJ ura t i Figure 15 8042986 Restraint Setting Dial Set for 84 43 Courtesy of NationalSwitchgear com ...

Page 44: ...e to L in tc tc in in CM rv o in CL L CL U a u CL F to CD CL CL L in O U u L 5 u i 5f 3E CM a YS 1 tn u I J tn z Zu QL 1L ri sLr a m P i A j A A 1 CM cn Ol tn tn a SC is CM A u a U u CL T X _ Aagifcffi A A wise s F 3s is CM jcn CM to CM L afr r I snsgte x x X X t CL to a h CM CLI X 1 to X a CM se sq Crcl U o rv C 3 to r H A U to tn cn L LI tn 05 1 A X1 X1 4 I I r U Q A N m u J CMi V o K CZH 2 ro L...

Page 45: ... f l731_ C J R 3 6 CM R 66r r K_J LfeLJ R2 3 H CD 1 CR 2 n r L L OJ r LO a n Lil CL in UD L CL J U a CL C J nl T CL1 P CL CL tL t GQ m LJU CL Qop L a CL 3 N o I I t j T j G n 2 5 3 O 3 5 4 Q 4 5 W CO r CO Q MnJ I0Z 1 KO Figure 16B 0152C8438 Sh l 3 Card Layout for Signal Processing Card SP 45 Courtesy of NationalSwitchgear com ...

Page 46: ...6 Sh 1 1 Internal Connections for a 60 Hertz Quadrature Polarizing Card QP PCB 0152C8439 P l ASM 018405426 G 3 R2 R22 5 4 23 4 SSri R23 CTC 1 W 6 t SKI 37O9K I 25 4 B 4 1 6 5K R6 R42 R28 RB m l l 4 4I 4 26 4 28 4 42 4 1 3 4 2 6 19K 1 R3E R16 1 ODK 44 3 2 I Cl 3 44 4 1 00K CI 67T5K R4S T l 2MFD 2 r 200V AR9 45 4 VAN VCN 3 3K IK R56 39 10OK 1 51 4 I S 1 4 5 1 2MFD 2 200V VBN Q 33MFD 0 33MFO SOV 50V ...

Page 47: ... H F F F ou 1 m 1 ro OL X X J in in K K Z Ri 1 a 0 n n ST I jT TST loo Rl 1 A G a in CD lX O CD 2 Z Z Rl IB O 10 20 30 OFFSEIT O o ID 2 0 3 0 I I QFFSEITCFO i n m CX ex 1 0 2 0 3 0 U FFSET O T CD s I I Figure 17C 0152C8439 Sh 1 3 Card Layout for Quadrature Polarizing Card QP 47 Courtesy of NationalSwitchgear com ...

Page 48: ...e Signal Card OS P C S 0 l 5 2C 8 4 4 0 p 1 A S M 0 1 3 4B5 4 2 9 G 3 R 1 4 R 3 4 r C 5 I OK R5 4 A D U T BOUT COUT R 2 B 1 0K R 4 8 H m 1 9 1 OK BIN C I N R 1 7 R 3 7 R S 7 1 OOK 1 0 0K J 1 O O K l r N 1 I 1 0 R S S 2 3 3 7 l OOK 3 l T C 2 r i c 3 4 C R 4 1 4 1 2 2K o C R 4 2 R 2 9 R 5 5 R 4 9 I IOK 2 2K 1 OK 1 5 1 1 5 1 0 3 3M F D 0 33MFD 0 33MFD 5 0V 5 0V 5 0 V I f If If C 2 R 1 2 9 I K C 2 2 1...

Page 49: ... R 9 R 33 R 4 S i RS 3 R13 R51 h n 2 GCZ3G u G1 G TO R 3 i a G KD R 5 I B R 11 J_ _L 0 1 1 1 X X X i Q i Q lo CO LO l v n LO t s BO K n r cn in n in 3TTX DC DC ft ac DC c a a a G G R 1 1B T JT7 TH C CrC TjT Tt CXCr Q CO 03 TjT TH CCC C O 1 8 4B 5 4 2 9 U U UGR D S I O o Figure 18C 0152C8440 Sh 1 3 Card Layout for Operate Signal Card OS 49 Courtesy of NationalSwitchgear com ...

Page 50: ... 4 4 7 K 1 R 6 8 o 3 1 M CD m 7s i COM COM n R 70 8 R 4 0 R 1 0 U 1 O vO o 3 1 M 00 R 41 3 cm n 4 7K 4 7K 4 7K UJ n r COM COM COM o R 73 6 R 1 3 R 43 G 3 7 2 2 4 4 3 1 5K 1 5K 1 5K W j TO PIN 3 OFTVLL ICS M 5 V 9 o C l COM y 0 1 MFD 50 V OV COM n R 76 R 4 6 4 R 1 6 o T0 COM 0 1 MFD 50 V C 1 5 V T P 1N 1 2 O F A L L I C S 1 51 1 BM R 47 C 2 3 n 1 5K n R7 8 t 5KhRi 8 CL 1 5K 43 15K n COM cor COM 3 R...

Page 51: ...37 in T WO TO u P 6 o P O V 2 O O F 42 h I 62 rj U 1 6 78 1 6 7 6 80 47 1 43 17 T7 19 79 03 _ 8 2 8 4 T3 271 7 05 3J 15 i 75 in U I F 45 523 14 22 L 74 JT4 24 44 C L 0 1 8 4B5 4 2 5 G R O Figure 19B 0152C8436 Sh 1 4 Card Layout for Coincidence Logic Card CL 51 Courtesy of NationalSwitchgear com ...

Page 52: ...4 1 n I C A l R 4 1 C R 4 7 U1 PHASE B C R 5 0 C P 4 3 A L L D I O D C S I N 4 1 4 8 R 2 4 R 2 5 R 4 4 R 4 5 R 6 4 R 6 5 A R E 1 R N6 0 C A L L O T H E R R E S I S T O R S A R E 1 4 U A T T j 5 0 C A R B O N I C A 1 5 5 8 IC D 9 1 0 9 Q 1 1 2N2 2 2 2 A Q1 0 2 1 0 4 1 0 5 1 2N2 9 0 7 C 2 1 C 4 1 C 6 1 A R E 0 3 3 M E D 2 5 0 V Pl T R A N SIE N T P I C K U P T I M E P2 S T E A D Y S T A T E P I C K ...

Page 53: ... m QGWSd LD ID cn to r if OL i M O o ra J9999 H 0 1 8 4B 5 4 2 6 G I T O O D U Figure 20B 0152C8437 Sh 1 6 Card Layout for Integrating Timer Card IT Revised since last issue 53 Courtesy of NationalSwitchgear com ...

Page 54: ... Sh 1 4 Internal Connections for 125 VDC Rated Input Power Supply Card PS PCB 0 I 7 1CB7 Q 9 ASM 0 1 8 4B5 6 0 9 G 2 C 7 CDS MFD Hi 4 C i s v R I O C R I 2 C K 7 I C I T 1 1 0 0K 1 4 W 6 C R 5 dl 1 I 1 9 C 15 V0L T S1 3 4 J_C 4 CR 7 3 TIMED 1 C 3 2 7 Ov IHFD o R 3 C R 6 3 8 5 8K C 2 _ 1 5 1 0 VOLTS f R 4 I C 2 Hb 2 9 CR 8 1 I 5 V I 0 A M R l 1 0 I H F D TC6 5 d cs I 0 1 r I w 4 3 LSVOLTS CR t o v ...

Page 55: ...K 9 Cl 1 MFD 200V TEST POINT o CR15 0 4 CR 1 4 Rl2 un_cRM in i 4w R8 II U 1 2K Rl 3 120rv 01 0 I 5K CR 1 CR 1 3 f 6 IN75BA CASE 0 3 CR4 R6 QS IK 18n i CR2 R9 l 4W S LED I 3 9K 2 4 1 5 1 C8 0 068MFD 3 1 C 1 IC 2 024 A933B P 15 01 D2 0246A92I 2 P 3439 Q3 024SA9201 P 2222 Q4 024SA9202 P 2S07 O5 0246A9220 P 4221 5 K 1 Figure 21C 0152C8465 Sh 3 2 Internal Connections for 110 VDC Rated Input Power Suppl...

Page 56: ...QUENCE VOLTAGE INPUT oo M 6R REACTOR __mnn_ 6054975 CURREN TAVERNIER Ci m U ui H cr D 10 LA 00 2H n LOAD BOX n C r t o RELAY STUD NO CONNECTED TO POINT PHASE UNDER TEST 30 D C ft POWER SUPPLY 0 n z Y W X 3 PRE J RE6ULA J I 16 17 15 17 15 16 3 15 16 17 5 l A 0 250 V 0 5A re 1 1 B TOR V c SEE NOTE I RATED INPUT VOLTAGE CONNECTED TO READ ANGLE THAT CURRENT LAGS VOLTAGE NOTE IIPRE REGULATOR USED FOR R...

Page 57: ...a o Q o o CD n s r Q 73 10 L J o OUUHZI XL I C A L I BRATE ITR EACTOR R E S I S T O R C O M B I N A T I O N m RL e 5V V0 00 u a Qf n n O 1 r 3 2 RELAY STUD NO CONNECTED TO POINT PHASE UNDER TEST n D C POWER SUPPLY n C Y Z X w PRE REGULA 0 250V 0 5A 16 17 15 1 17 15 16 3 15 16 17 5 c A v TOR 3 B CD H c rt SEE NOTE I RATED INPUT VOLTAGE r f 00 o NOTE I PRE REGULATOR USED FOR RATED INPUTS EXCEEDING 1...

Page 58: ...OPE TRIGGER l5V 1 TEST POINT ON PS CARD IT CARD INPUTI INPUT H H SCOPE CHANNEL 2 NC CONTACT INPUTIH f SCOPE GROUND 0 Vu TE ST POINT ON PS CARD PHASE UNDER TEST PIN No OF CARD INPUTI iNPgT n INPUT TEC A 12 23 36 B 23 12 36 C 36 12 23 Figure 25 0257A6185 Timer Card Test Circuit 58 Courtesy of NationalSwitchgear com ...

Page 59: ...GEK 49813 i r AT LJi I I f 1 7 1 1 5 1 l I i I V Tr7 r v v i t w X Figure 26 8043016 Printed Circuit Card Extracting Tool 59 Courtesy of NationalSwitchgear com ...

Page 60: ...E B O 19 SLY 62 V 5 1 o OR SLY G O 20 62 V 22 c C9 L R3 DC INPUT R I R 2 R4 250 VOLTS ISO TL IS0 A ICOJfV i 0 0 TV Figure 27 0275A4336 1 Internal Connections Diagram for External Pre Regulator Revised since last issue 60 Courtesy of NationalSwitchgear com ...

Page 61: ...o in 4 2 2 o c J U o sr rO L2 in 2 2 I I f j 2 q r J in CD I CT I f in N 95 MM I 75 4 S 2 in h 2 CM CM iS 2 m N Q ri r d0 5 11 Ip Li 0 0 i 66666 ur SEE OUTLINE 0I78A733G 3 V w l 58 MM G 625 NUMBERING OF STUDS 8r MTG OF PRE REGULATOR BACK VIEW I9MM 75 3 10 32 X MTG SCREWS 6 OUTLINE Figure 28 0275A4339 Outline and Mounting Dimensions for External Pre Regulator 61 Courtesy of NationalSwitchgear com ...

Page 62: ...å å å å 3RZHU 0DQDJHPHQW 215 Anderson Avenue Markham Ontario Canada L6E 1B3 Tel 905 294 6222 Fax 905 201 2098 www ge com indsys pm Courtesy of NationalSwitchgear com ...

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