GE SBC23A Instructions Manual Download Page 2

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GEK-45464

CONTENTS

DE SCRIPTION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

APPLICATION . .

Ope rati on

Gen e ra l

RANGES

• • • • • • • • • • • • • • • . • • • • • • • • • • • • . • • • • • • • • • • • . • • • • • • • • • •

RATINGS

. • • . . • . • . . • • • • • • • • . • • • • • . • • . . .

Su rge Wi th sta nd Capabi l i ty

Capaci ta nce Chargi ng Capabi l i ty

BURDENS

• • • • . • • . • • • • • • • • • • • • • • • • • • • • • . • • . • • • • • • • • • . • • • • • • •

CHARACTERISTICS

• . . . • • • . • • • . • • .

Powe r Supply

. . . . • • • • .

Output Rel ays

(

B FT a nd IT

)

T i me r

. • • • • . . .

Cu rre nt Detecto r

. . • • • • . . •

SETTINGS

. . • • • . • . . . . . . .

OPERATING PRINCIPLES

• . • . . • •

Pri nted C i rcu i t Cards

All Card

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liB

Card

��

Ca rd

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��

Ca rd

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Ca rd

Card

Curre nt Detecto rs

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RECEIVING, HANDLING AND STORAGE.

ACCEPTANCE TESTS

. . . • • . . . . . • • . . . .

Fi l l - i n Ti me r Setti ng

. . . • • . . .

Cu rrent Detecto r P i ckup

Cu rre nt Detecto r P i ckup

Te st

Setti ngs

Tr i pp i ng Ti me rs

. . . . . . • • • . . . . . . . .

Logi c Functi ons, Setti ngs a nd Te sts

INSTALLATION PROCEDURE . .

T i me r Te st

• • • • • • • . • . .

Cu rre nt Detecto r P i ckup Setti ng

PERIODIC CHE CKS AND ROUTINE MAINTENANCE . .

Contact Cl ea n i ng

SERVICING

. . . . . . . . . • • • •

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. .

...

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RENEWAL PARTS

. . • • . . . . . . • • • • • . . . • • • • . . . . • • . . • . . . . . . • • • . . . .

LIST O F FIGURE S

. . . . . • . . . . . . • • •

PAGE

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. ElectricalPartManuals

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Summary of Contents for SBC23A

Page 1: ...GEK 454640 INSTRUCTIONS STATIC BREAKER BACKUP RElAYS TYPES SBC23A SBC23B SBC23C and Control GE Protect J Iey Parkway 205 Great 19355 1337 Malvern P w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 2: ...Current Detectors RECEIVING HANDLING AND STORAGE ACCEPTANCE TESTS Fi l l i n Ti mer Setti ng Cu rrent Detecto r Pickup Cu rrent Detecto r Pickup Test Setti ngs Tr ipp i ng Ti mers Logi c Functi ons Setti ngs and Tests INSTALLATION PROCEDURE Timer Test Cu rrent Detecto r Pickup Setti ng PERIODIC CHECKS AND ROUTINE MAINTENANCE Contact Cl ean i ng SERVICING RENEWAL PARTS LIST OF FIGURES 2 PAGE 3 4 7 ...

Page 3: ...ly adjustabl e pi ckup setti ngs for phase IA Is Ic a nd ground 3Io curren ts 3 An adjustabl e timer to prov i de time for the pri ma ry breaker to opera te correctl y 4 Three el ec trical ly separa te contact ou tput c i rcui ts BFT for tripping the backup breakers Two of these c i rcu i ts have el ec tromechan i cal series targets 5 An el ec trical l y separa te i nsta nta neous IT u n i t con t...

Page 4: ... fo r appl i cati on on a per breake r bas i s That i s there i s one breake r fa i l u re rel ay assoc i ated w i th each breaker i n a bus a rray On th i s bas i s the curren t i nputs to a pa rti cul a r SB C rel ay must come from cu rre nt tra ns formers CT s that measure the current i n the a ssoc i a ted breaker The trip outputs must be routed to i n i t i a te the tri ppi n g or tra ns ferr...

Page 5: ...Brkr 4 Lock out rel ay that trans fe r trips l ine B bl ocks recl os ing of Brkr 3 Lock out rel ay that trans fe r trips Brkr 10 bl ocks recl os ing of B rkr 5 Lock ou t rel ay that trans fe r trips B rkrs lO 11 bl ocks re cl osing of 4 6 Lock ou t rel ay that trans fer trips Brkr 11 bl ocks recl os ing of B rkr 5 Line A or Line B Lock out rel ay that trans fe r B rkr 2 Brkr 6 trips B rkrs 7 8 bl ...

Page 6: ...ngs a re such that the current detec tor i s pi cked up on l oad the securi ty of the scheme i s reduced s i nce any e rro r in testing that appl i ed DC to the rel ay coul d resul t i n an undes i red tri p Th i s subjec t i s d i scussed i n a l a ter pa ragraph describing the uses o f the i sol a ted contact opera ted from the output of the l evel detec to r Anothe r fac tor in the sel ect i on...

Page 7: ... l be used for i nstantaneous tri ppi ng w i th the restrict i on that s tud 11 i s connected to DC OPERATION GENERAL There a re fou r current i npu ts to the SBC23 rel ays They a re the three phase cu rren ts IA Is Ic and ground current 3Io The contact i n i ti a t i on and the appl i cation of the B FT contacts depend upon the bus and breake r a rra ngement as previ ousl y expl ai ned The operat...

Page 8: ...e the A 0 t i mer wi l l reset i f e i ther the l evel de tector or CCl resets or the con tact i n i ti ati on resets The IT un i t can be opera ted d i rectl y from ei ther the l evel detector or the con tact converter dependi ng on the l i nk setti ng The ITI contacts are normal l y compl ete l y i sol ated The IT2 contacts a re connected from the B FI 62X 6 2Y i npu t termi nal to an i nternal ...

Page 9: ...tinuousl y and have 1 second thermal ra tings o f 210 amps CAUTION When hipotting the SBC remove all external w1r1ng from terminal 10 Do not hipot terminal 10 The reason is that capacitors Cl Cl2 are rated for 600 VDC and the hipot voltage may damage the capacitors The breaker fa i l u re tripping tel ephone rel ay B FT i s continuously ra ted at namepl a te rated DC s uppl y vol ta ge Tabl e III ...

Page 10: ...i th static l i ne rel ays may have these capaci tors If any swi tches a re pl aced i n series w i th the B FI con tacts DC powe r swi tches as an exampl e the cl o s i n g o f these swi tches wi l l cause prev i ously u ncharged capaci tors to charge through the breaker fa i l u re rel ay i nput ci rcu i t Th i s coul d resul t i n a n i ncorrect operati on i n some breaker fa i l u re schemes i ...

Page 11: ...ase 4 10 0 0024 7 7 Residual 0 5 1 0 0351 36 0 Residual 1 2 0 0127 24 0 Residual 2 5 0 0053 14 0 The overall battery drain at relay terminals 17 and 18 is itemized in Table VII for the three possible relay DC ratings under three possible operating conditions RATED DC 125 48 250 TABLE VII CONDITION Dropped out No Fault Timing Electronics IT Unit Tripping BFT Unit Total All Circuits Dropped out No F...

Page 12: ...sett i ng mechan i sm i s such tha t these t i mers may be set as shown on the cal i bra t i on pl a te At any gi ven tempe ra ture a nd setti ng the t i mer w i l l repeat i ts t i mi ng opera t i on to w i th i n 2 o f i ts setti ng Over the enti re ra nge of appl i ed DC vol tage from 80 to 110 o f ra ted or tempe ra ture from 20 to 600C the t imer wi l l hol d i ts sett i ng to w i th i n 5 o ...

Page 13: ... that a conti nuous output from th i s timer wi l l be obta i ned when the peak val ue o f the i nput si gnal to the l evel sens i ng ci rcuit i s just equal to the sens iti v i ty o f that ci rcuit Th i s i s the normal factory setti ng of the fi l l i n timer and i t resul ts i n a 11dropout11 ti me o f the current detecto r that i s about 10 mi l l i seconds See Fi gure 18 The dropout time i s ...

Page 14: ...r model a nd the use r s pre fe rence These have been d escri bed i n the s ections under OPERATION GENERAL There a re reasons for the order l i sted above i n wh i ch the setti ngs shoul d be made These rea sons and other cons i dera t i ons a re noted bel ow It i s i mportant that the fi l l i n t i me r setti ng be made fi rst because as expl a i ned i n the sect i on under CHARACTERISTICS the ...

Page 15: ...ge con s i dera t i on s are cons i derabl y l ess onerous The secondary B 0 time del ay i s set w i th the AND2 l i nk i n the OUT pos i ti on and w i th no i nput current The contact converter CCI must be energ ized a t the same time as the powe r suppl y Term i nal s 9 and 17 can be connected together and then swi tched to DC for i n i t i a t i on of the B 0 t imer After setti ng the t i me de...

Page 16: ...model A 2 6 2 6 26 TABLE VIII PRINTED CIRCUIT CARD FIGURES B C X Y 27 29 31 32 27 30 31 32 28 30 31 32 nAn CARD Level Detector wi th Adjustabl e nFILL INn z 33 33 SBC MODEL 12SBC23A D 12SBC23B D 12SB C23C D The power s uppl y vol tages a re connected to the fol l owi ng pi ns 10 2 VDC Reference 10 2 VDC Pi n 10 Pi ns 1 and 20 Pi n 11 Red Test Po i nt Bl ack Test Po i nt For the nAn card the i nput...

Page 17: ... i s ts o f an A 0 timer wi th i nput at Pi ns 2 a nd 5 and i ts t i mer rheostat external across P i ns 3 and 4 Poth the SBC23A and the SBC23B use th i s card The 018384149 G6 ca rd conta i ns two separa te t i mers wh i ch a re OR 1ed to gether so that the fa stest t i mer con trol s the cl os i ng of the output contacts The A 0 t i mer i nput i s on Pi n 2 and the B 0 timer i nput i s on Pi n 6...

Page 18: ...ema i ns On If both Q1 and Q2 a re driven On Q4 wi l l drop out o f sa tura ti on al l owing TP3 or Pi n 15 s i gnal to appear through R18 The OR ci rcui t i nputs a re pins 3 and 4 Pi n 14 o r TP4 i s the associ a ted output S i gnal presence a t Pi ns 3 or 4 i s transmi tted through D1 or D2 respect i vel y to yi el d output at TP4 The contact conve rter i nput i s Pi n 8 When the CC1 contact i ...

Page 19: ...de o f ZD4 suppl i es 10 2 vol ts to the rel ay ci rcu i ts The anode of ZD5 common wi th the cathod e of ZD6 provi des rel ay ci rcu i t re fe rence The anode o f ZD7 suppl i es 10 2 vol ts to the rel ay ci rcu i ts Capaci tor C2 i s the regul ated DC rippl e fi l te r Res i s to r R6 ensu res powe r supply l oad bal ance during the tra ns i ent energization o f the power s uppl y uzu CARD Contac...

Page 20: ...and C phase current 2 The res i dual 3Io tap bl ock screw i s i n the ri ght hand pos i ti on 2 A base The 3Io rheostat knob i s po i nt i ng a t the seco nd ca l ibrat i o n ma rk from the l eft 1 2 X base range S i nce the rel ay i s i n the ra nge 2 5A the 3Io ra nge base equal s 2A Mul tiplyi ng the ra nge base by the cal i bra t i on ma rk mul t i pl e we have Pickup 1 2 X 2 2 4A So approxi m...

Page 21: ...on the graph o f Fi gu re 10 As a n exampl e i f the fi l l i n t i me o f 5 mi l l i seconds i s requ i red and set then the 5 mi l l i second fi l l i n pickup l evel i s approximate l y 1 24 times the 8 7 mi l l i second setting See Fi gure 10 and the CURRENT DETECTOR pa rt o f the CHARACTERISTICS secti on for other parameters The t imer and i ts associ ated adju stment potenti ometer a re l oc...

Page 22: ...proxi ma tely 0 5 amps 6 Us i ng th e procedure above check the other taps and mul tipl es o f current sett i ngs To test the current detector pi ckup fo r fi l l i n use the above procedure except tha t the pi ckup approxi mate val ues pe r Fi gure 10 Al so CHARACTERISTICS sect i on for othe r pa rameters CURRENT DETECTOR PICKUP SETTINGS times 1 ess than 8 7 m i l l i seconds currents wi 1 1 be h...

Page 23: ...ion unti l the s i gnal goes to zero i s the breaker fa i l u re tri ppi ng time Fo r speci fi c rel ay timer setti ngs fol l ow the subsequent i nstructi on Note that the A 0 timer rheostat i s i denti fi ed as such and cl ockwise rotation i ncreases the trippi ng ti me 1 SBC23A A 0 In i ti a te t i m i ng of the re l ay a s expl a i ned above by cl o s i n g the B FI contact Set the l ength o f ...

Page 24: ... n the mode that the system scheme requi res 2 Keep swi tch S1 closed Pl ace the n t i mer l i nk i n the OR pos i ti on Check that by e i ther appl yi ng te st current al one or cl o s i ng the AUX contact al one or by do i ng both the B FT re 1 ay opera tes Pl ace the t i mer l i nk i n the ANon pos i ti on Check that the B FT rel ay opera tes onl y when the te st current i s appl i ed and the A...

Page 25: ... studs o r screws s hou l d be pe rmanently connected to su rge ground by a conductor not l ess than No 12 B S gage copper wi re or i ts equ i val ent The rel ay may be tested wi thout remov i ng i t from the panel by u s i ng a 12XLA13A test pl u g Th i s pl ug makes connection s only w i th the rel ay and does not d i stu rb any sho rti ng ba rs i n the case Of cou rse the 12XLA12A test pl ug ma...

Page 26: ... t the current de tector has jus t picked up The current l evel s shoul d be as fol l ows for the four ci rcui ts 1 9 2 1A RMS for the phase ci rcui ts and 0 95 1 05A RMS for the res i dual ci rcui t Hav i ng sel ected the phase and re s i dual current detector setti ngs to be used on the system 1 lOA for phase and 0 5 5A for res i dual set the tap pl ugs to the appropri a te ra nge sel ecti on as...

Page 27: ...n be obta i ned from the facto ry SERVICING Shoul d serv 1 c1 ng of the rel ay become necessa ry fo l l ow the test procedures as expl a i ned in the secti on ti tl ed ACCEPTANCE TESTS for cal i bration and test o f the rel ay and the tel ephone rel ay con tact cl ean i ng l oca ted i n the section ti tl ed PERIODIC CHECKS AND ROUTINE MAINTENANCE Al so see the section on se rv i ci ng pri nted ci ...

Page 28: ...cult to remove and repl ace without special ized equipment Furthermore many of these components are used on printed circuit cards which have bus runs on both sides These additional compl ications require very speci al solderi ng equipment and removal tool s as wel l as additional ski l l s and trai ning which must be considered before field repairs are attempted When ordering renewal parts address...

Page 29: ...nt Detector Circuit 19 Current Detector Dropout Time Graph 20 Current Detector Pickup Current for Reduced Fi l l in Times 21 Level Detector Inputs Produced by Singl e Phase and Three Phase Currents 22 Current Detector Operating Time 23 Type SBC23A Internal Connections Di agram 24 Type SBC23B Internal Connections Di agram 25 Type SBC23C Internal Connections Diagram 26 Level Detector and Fi l l in T...

Page 30: ...1 1 7 1 8 1 8MM 3 4 DR I LL 2 0 HOLES 1 9MM T 875 1 5 4 03MM 5 1 6 1 8 STUDS SURFACE MTG 1 9 1 7 1 5 1 3 1 1 0 0 0 0 0 0 0 0 0 0 2 0 1 8 1 6 1 4 1 2 S T U D NUMBER I NG 9 7 5 3 1 0 0 0 0 0 0 0 0 0 0 1 0 8 6 4 2 1 5 75 4 0 0MM PANEL DR I LL I NG FOR SURFACE MOUNT I NG FRONT V I E Figure 1 0227A2485 2 Outl i ne and Panel Dri l l i ng Dimensions for the SBC Relay 30 w w w E l e c t r i c a l P a r t ...

Page 31: ... 18 l T Z PQ ER SUPPLY I I 1 3 J9 IS 1 Tl _ 8FT 8FT 1 BFT l l b 2 3 1 2 14 20 16 l A l l B 1 r 1 1L 1 lKt hl LEVEL DET e c T SURGE 100 GROUtlO REF a OUT t 0 NOTE Cet ml CT STL C 10 SURGE GRCUND TO GRC JND f L S ON P ANEL I TI U l 0 1 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 32: ...i l hr C N JT L D I I A TO STUD I I A N D CON N E C T S T U I I TO t D C H OW E V E R TH E I T I C O N TAC T WILL N O LON GER BE ISO AT E O Pm IER SUPPLY LEVa I I I I DET r J r 1 I I t 1 2 AND 4 OU T 0 c of 31 0 cc I LEV 0 n Qt Jc I OET cc AND 2 tJQTE CONNECT STUD 10 S RGE GroUND TO GRJUND BUS ON PANEL 1 3 19 15 FT EFT TBFT I I 2 O 3 1 4 20 16 aFT TS 1 4 t J PU Ci fT1 r CJ I 0 1 w w w E l e c t r ...

Page 33: ...H E I T I C ON TA C T W I LL N O LO N G E R BE I S OL AT E D 1 3 19 1 5 g T xB Tg T6B T T U SER _ _ _ _ _ 1 P OW E R SUPPL Y 1 2 1 4 20 I G I I I I I I I I I I I I I L _ _ I A 1 I s c 5 3 1 0 SURGE I O Q GROU N 9 3_ 1 8 l A I B c LEVEL t 1 _ T I 1 DE T 1 LEV IT I N D c t OUT AN D ___3EF Q I A N D r OET c c I OUT 2ccr 2 o c NOT E CO N NEC T STUD 1 0 CSU RGE GROUND TO GROUND BU S ON PANEL B F T T S ...

Page 34: ... Rel ay Appl i cation Si ngl e Bus Si ngl e Breaker L I N E A 2 4 SOUTH B US F l L I N E B TO SBC F 3 5 L I N E c 6 BUS T I E Fi gure 6 0246A2277 2 Rel ay Appl i cation Doubl e Bus Doubl e Breake r 34 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 35: ... 1 TO c t SBC 5 L IN o 6 c1 TO c r S B_C SOU TH BUS FI L INE A v L I N E v s F3 J t 1 1 1 7 t 1 1 1 8 9 f 1 1 1 F II 2 F4 t I I BUS T I E L I N Ell L I N E F BUS T I E Fi gure 7 0246A2280 2 Rel ay Appl i cation Breake r and a Hal f 35 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 36: ...GEK 45464 L l N E B 7 8 L I NE c 6 2 ro sse 5 4 L I NE o L I N E F Fi gure 8 0246A2278 l Rel ay Appl i cati on Ri ng Bus 36 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 37: ... C LEAR I N G INO PE RAT I VE BR E A KE R B R E A K E R PROTECT IVE I N T E R R U P T I N G RE L AY T I ME 62X I B F_ T I M E R G 2 M A R G I N S B C Z I TOTAL OPERAT ING T l M E 8F BAC K UP BRE A K ER I N TERRUPTIN T I M E TR I P A U X R E L AY S BR E A K E R FA I L U R E TOTAL C L E A R I N G T I M E Cj rr l I c n 0 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 38: ...VARY 10 2 2 c t z I 2 1 LL T1 LLI c3 2 p 11IJjFlllittJJ CFffio J c L t lir W Efo aIiFITr r t r Cf 1 C j j ii if l P 1 1 w 1 LL l rit Hilli l i1 t 1 1 co t I 9 j t j ti h 1 S z t J L l q tj j t LL 6 t ti t J i f CJ f o 1 8 ci t _ _ UJ J t 1 l1 t tl C 7 3 ft t J ttl 1 i t i H FHfl J t l l l ffFF tl l ll 1 H J t tf H FFf l 1 CD n 5 I t j 1 6 C en 1 s c t I 0 s en l q 1 s C I j I 1 1 tD 1 1 n r 0 2 3 ...

Page 39: ... 1 000 i N o u T 10808 IA l0000J1c I T I000QI L1D OU T 18108081 31ol0 80l SBC23A Tap Bl ock Namepl a tes I T 100001 C C L1D OUT 18 108081 31oi0 CD0 1 SBC23B Tap Bl ock Namepl ates I T 100001 c c 7 Lb C our 18 0808 31ol0 80l Fi gure 13 0273A9512 0 SB C23 C Tap Bl ock Namepl ates 39 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 40: ... Front Vi ew F i gure 16 8043387 SBC23C Rel ay Removed from Case 3 4 Front Vi ew 40 Fi gure 15 8043386 SBC23B Rel ay Removed from Ca se Front Vi ew Fi gure 17 8043404 SB C23C Rel ay Removed from Ca se S i de Vi ew w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 41: ... UJ UJ 1 cr u G IX t 1 l eo a 0 0 0 1 u u Q_ w 1 U u c Q_ Q_ t GEK 45464 al I t u I t 0 1 1 z a 0 0 1 u u 0 Q_ Z S2 u Q_ Fi gure 18 0246A2272 0 Cu rrent Detecto r Ci rcu i t Il l ustration for the SBC Rel ay 41 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 42: ... t II I I t t I li t I I I i I 1 I If n 11 i ir 1 H i 1 fiJi 1 1 1 1 111 I 1 1 1 1 It tll li 1 1 1 1 1 1 1 1 1 1 ill I I I I l l II I i l l I I i i l l t i i i r l Ill p t U 11 I I it I 1 1 I l l I i CONDI T I ONS t q I r 1 1 il r 11 1 rn i i i ii j i1 Hl llil ilii t I I iii I 1 i i t 1 i i i H P l ii i jfjl t ii li It Jj i Jl II i I F I LL I N T I M EN ALS 8 7 MSEC r i r 1 J l l 1 t l r f I lfE U...

Page 43: ... I N 1 1 T J n o F I LL I N H T T Fi gure 20 0246A2273 0 SB C Current Detector Pickup Curren t fo r Reduced Fi l l i n Times LEVa DETECTOR I NPUTS PRO lJCED BY S I NG E PHASE aJRRENT THREE PHASE QJRRENTS T T Fi gure 21 0246A2274 0 Current Detector Level De tector Inputs Produced by S i ngl e Phase and Th ree Phase Curren ts for the SB C Rel ay 43 w w w E l e c t r i c a l P a r t M a n u a l s c o...

Page 44: ...1 r I11 r r l 1 ill i11r iifi ih H 11 t m IJttt hilm 1Tt11tilll ltiltttml lt1t h I Itt tlf 1 llt lftJHih J lri Ll h l It PI fllt lit rlt k lll1i hi If 1 1 1 I I I ti Wij 1j1 1itjtl Ittt ill ltifill IPitJ tllrtmf mumHPnminTm fflm wurl nTFm m IT lTIT 1mm 1pla t Hll trtl Jl l 1i tr 1tr w1 lttt iiir oi L 1 t i H u 1 ti 1 f t t it 1 1t i t 1l htH mmtt tlt r t lttr l 111 Lt ht tfwt Ji t i irltit l itt t...

Page 45: ...RGE T T2 RI 6HT HAND TARGET I T I NSTANTA N EOU S TRIP B F T BREAKER FAILURE TR I P TB TAP Q OCK T R TRANSACTOR l SURGE GROUND TERM I NAL 1 0 V D C 4 e 1 2 5 l SO R S 7 VALUE 500 n 12W 1 500 n IZW 3 SOO n t2W 13 12 C CARD INT CONNS 0208A S S87 2 t10 v o c R6 VALUE 48 zso n zsw 1 25 I OOO n25W 250 lOOOn SON Fi gure 23 0257A9626 2 Sheet 1 and 0257A9626 0 Sheet 2 Type SBC23A In te rnal Connect ions D...

Page 46: ...2 RIGHT HAND TARG E T I T I NSTANTA N EOU S TRIP 8 F T BREAKER F A ILURE TR I P TB TAP a OCK T R T RAN5ACTOR l SURGE GROUND TERM INAL 1 0 C C CONT ACT CONV ERTER V D C 4 S 1 2 5 2 50 R 5 7 VALUE 500 r 12W 1 500 n 12W 3 50 0 t 12W 10 v D R6 VALUE 48 250 n 2SW 125 IOOO n25W 250 2000n50W Fi gure 24 0257A9632 2 Sheet 1 and 0257A9632 0 Sheet 2 Type SB C23B Internal Connecti ons Di agram 46 w w w E l e ...

Page 47: ...RGE T T2 RI GHT HAN D TARGET I T I NSTANTA N EO U S TRIP 8 F T B R EAKER F A ILURE TR I P T B TAP B OCK TR TRA NSACTOR l SURGE GROUND TERM I NAL 1 0 V D C 4 8 1 2 5 2 50 R 5i 7 VALUE 500 t 12W 1 500 n 12W 3 50 0 n 12W V D C R6 VALUE 48 2 50 n 2SW 1 25 I OOOn25VI 250 2000 n5CM figure 25 0275A2056 Sheet 1 1 and 0275A2056 Sheet 2 Type SBC23C Internal Connections Di agram 47 w w w E l e c t r i c a l ...

Page 48: ...l I 2W GTJ 4 2 1 L4 K i C R I I OG P F I N 75 6 A j 7 f N 0 6 1 C I C R 7 CRZ a o 2 N 2 2 22A rt N2222A Rl I OOK Q I _ 1 0 v o c 1 1 Rzs l 1 6sofil 1 c 1 szo n 1 T G 4 2 N 2 3 23 I I I I R l 9 I BTJ I I T c 7 I I I I I 47 MF OM fvl F I I I I I I I I 1 47 KJL 20 T E R M I N A LS I 2 1 0 I I 1 2 14 l iD IB1 20 I l l I I I I I i I l l I I I I I I I A L L R E S w 5 U N L E S S OT H E R W I S E N O T E...

Page 49: ...3 2 1 K I Ouf il 50VDC 1 BW R I O 26 1 K f l 1 SW r D3 I N 506 1 T RD Le I OVDC P C CARD 0 1 83Bq JI 9 GR S TOP V I EWS TERMI NAL P I N LOCATI ON I 2 3 q I 0 I I I 2 1 q 20 l l l l l l l l l l l l l l l l l l l l l l l l l l C d ___ COMPONENT S l DE 1 2N2222A 2N3251 2Nq221 D TERMI NAL P I N ON P C CARD ALL RES I STORS 1 2 WATT i 5 UNLESS OTHERWI SE NOTED RD REED RELAY Cl I T I r c n 0 1 w w w E l ...

Page 50: ...OVDC REF R2 1 50K RS 7K c 068u f C3 I Ouf SOVDC I I I I SOVDC I I I I IOVDC r 1 r l I I _ _ J Q L_ I N r G 2N2222A 2N3251 0 3 o 0 z m z j I 0 CJ 2N 221 03 r B I N506 RD 1 o 0 It o 0 o loo N w 4 en 4 00 j l o 3 0 II N 4 IE z I I z I 0 l O 1 1 1 j o z o I o lo 3 1 0 z J o O IE J o r OD j r V W j 1 1 1 o z 4 I cn o U I Z P I l O C 0 I JO I I N o 0 en r 1 1 en w w w E l e c t r i c a l P a r t M a n u...

Page 51: ...QJ s 0 6 s rt 3 1 OJ N w QJ s 0 I IOVDC TPS TP2 TP3 T P4 T P7 TP 5 I R I 0 6 8K R 9 4 7 K Q 3 R 1 2 IOK 2N2222A 068 R l4 22K TP6 REF T I I I I L I TP I ALL F C S 1 21N 10 LW Lt SS C THE RWI SE NOTED I I IOVDC I c en rr1 U l c n w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 52: ...1 5K 6 8K TP8 TP5 D4 Q 3 2N222 2A RI0 6 8K 2 I i I I I I I Q4 I R4 IOK R6 IOK 2 N 2 2 221 P C CARD ASM 016584686 G 3 A LL RES W 10 U N L ESS NOTED RE F R l4 22 K TP6 IOVDC I I O T H E RWISE i Y IU of J f 4 I N 4009 1 1111 I 0 I T V I 14 2 4 R1 5 4 7K TP 8 t r 1 7 e 1 R l6 22 K J _e TSI L en f l U l C w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 53: ...X 0 0 X 0 GEK 45464 X 0 X 0 X 0 lD L r__ w 0 I u X 0 r X 0 Fi gure 31 0227A7096 0 Ful l Wave Bridges fo r the SB C Rel ay 11 X 11 Ca rd 53 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 54: ...TAB L E R 3 1 5 00n s o I W D l 1 N 4 1 4 8 1 R Z I Sl00i T 101 f S 7 o I N 753A I t R 5 I K n s I W R 4 IO K n 5 o Z D2 I N 496Z 1 1 sov I N 49G 2 c z 50 f 50 V I REF l l Otl lf l t Z D3 6 j l I 1 4 L 10 A l l RES w U N L ESS OTHERWISE NO T E D TAB LE r P C ARD ASM 0 1 8 3B 8 058 R 1 0 1 83B 8058 G R 2 0 l83B805S G R 3 I VO LTS 4S 1 2 5 2 50 E X T Q ES R l R 6 2 50 I S Kn 2W 1000 S6 KA 2W ____ __...

Page 55: ...1 N 0 N a u u N 0 l C 1 6 l j GEK 45464 N 0 0 Ill r0 co 0 I I 0 S2i u u a Fi gure 33 0269A3076 0 Con tact Converte r for the SBC Rel ay 11 Z 11 Ca rd 55 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 56: ... 1 TR I GGER PLACE TH E SCOP E I N A N EGAT I VE SLOP E EXTERNAL TR I GGER I NG MODE DEPRESS TH E N 0 CONTACT AND NOTE THAT UPON RELEAS I NG TH E CONTACT TH E SCOPE TRACE I N I T I ATES FROM FACTORY CAL I BRAT I ON A POS I T I VE S I GNAL AT TP4 SHOULD GO N EGAT I VE I N 8 5 9 M I LL I SECONDS AFTER TRACE I N I T I AT I ON A CARD TO ALTER OR READJUST TH I S SETT I NG TURN TH E POT AT THE BOTTOM OF...

Page 57: ...NOTE TH E DC POLAR I TY ON TE I NAL 17 l 18 2 PLACE AN OSC I LLOSCOPE I NPUT AT A CARD TP4 W I TH REF AT A CARD TP I AMv1ETER A BFT CONTACTS RELAY CONN ECT I ONS N AL NO TE I A B 0A I 2 08 3 0C 5 6 3 1 0 7 8 REACTOR 60 HZ __ r Vfl 1S LOAD BOX Figure 35 0246A2204 Sh l 3 Current Detector Test Circuit for the SBC Rel ay 57 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 58: ... LEVEL b I N I TI ATE T I M I NG SEQUENCE BY CLOSI NG THE BFI CONTACT A CARD TP5 RATED DC SCOPE OIANNEL A BF I A CARD TP I SOOPE REF I I 2W 0 6 0 0 SCOPE I I 1 3 1 5 0 0 1 2 14 16 1 0 3 0 20 lJ O 17 18 19 0 20 LOAD oox L EXTERNA TR I GGER RATED DC 1 20 v s 60 HZ Figure 36 0246A2202 Sheet 1 3 Overall Timing Test Circuit for the SBC Relay 58 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 59: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 60: ... 3 94 200 Protection and Control GE Technology Center 205 Great Valley Parkway Malvern Pennsylvania 19355 1 337 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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GE SBC23A, Instructions Manual

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