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GE IACS3A, Инструкция по эксплуатации

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Fig u r e   6 

SEAL-IN 

UNIT 

Sl 

GEK-34054 

INDUCTION 

2 

INDUCTION 

UNIT 

6 

SHORT  FINGER 

(6 2 09 6 6 2   [ 5 ]) 

Type  IAC54A  Int e r na l   Connect ions  ( Fr ont 

Vie w )  

OVERCURRENTI 

UNIT 

: 

, 

I 

i  \ 

I 

T�-� 

SI 

I 

, 

t 

=SHORT  FINGER 

HSI•TARGET  �SEAL-IN 

INSTANTANEOUS 

UNIT

7 

10 

NOTE 

:

- I

NS

T

AN  UNIT  CONNECTIONS  SHOWN 

ARE  FOR  LOW  RANGE 

O

PERA

T

ION

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HIGH  R

A

NG

E  OPERATION  CONNECT  "8"  t 

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TO  TERMINAL  •6 

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TO  TERMINAL 

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Figure 

7 

( 0 2 46 A2 2 85-l )  

Type  I AC54B  I nt e r na l   Connections 

"  lndlcates  revision 

25 

www 

. ElectricalPartManuals 

. com 

Содержание IACS3A

Страница 1: ...IONS TIME OVERCURRENT RELAYS TYPES IACS3A FORM 800 AND UP IAC53B FORM 800 AND UP IAC54A FORM 800 AND UP IAC54B FORM 800 AND UP GENERAL ELECTRIC GEK 34054H w w w E l e c t r i c a l P a r t M a n u a l...

Страница 2: ...stantaneous Unit Pickup Test TARGET AND SEAL IN UNIT Pickup and Dropout Test INSTALLATION TIME OVERCURRENT UNIT TARGET AND SEAL IN UNIT INSTANTANEOUS UNIT PERIODIC CHECKS AND ROUTINE MAINTENANCE TIME...

Страница 3: ...ng d i mens ions of wh i ch are shown i n Fi gures 12 and 13 Both the ti me delay a nd the i ns tantaneous u n i t a r e adjus table ove r a range of about 8 to 1 The ava i lable ranges i n ampe r es...

Страница 4: ...nds is gene r ally allowed dependi ng on the clea r ing ti me of the breaker i nvolved These c oord i nation ti mes i nclude in add i ti on to breake r clearing ti me 0 1 0 second for relay ove r tr a...

Страница 5: ...sed unti l i t i s released The same button that releases the target of the seal in un it also releases the target of the i nstantaneous uni t RATINGS TIME OVERCURRENT UNIT Rati ngs of the ti me overc...

Страница 6: ...0 4 5 5 5 5 5 1 5 12 0 AMP RANGE TAP 1 5 2 0 2 5 3 0 RATING 10 0 11 5 13 0 14 5 2 0 16 0 AMP RANGE TAP 2 0 2 5 3 0 4 0 RATING 10 0 12 0 13 0 15 0 INSTANTANEOUS UNIT TABLE I V 1 0 1 2 1 5 2 0 6 0 7 0...

Страница 7: ...40 0 s 80 0 p 20 0 160 0 20 0 80 0 40 0 160 0 s p CONTINUOUS RATING 0 75 1 5 3 0 6 0 15 0 25 0 25 0 25 0 t ONE K SECOND 25 0 625 50 0 2 500 130 0 16 900 260 0 67 600 400 0 160 000 600 0t 360 000 600 0...

Страница 8: ...S Z IMPEDANCE AT MIN TIMES PICKUP PICKUP I2Z R J z 3 10 20 0 0 5 0 4 60 0 5 0 40 3 90 4 15 4 20 2 90 2 20 104 0 1 5 12 0 60 1 5 0 23 0 53 0 58 0 58 0 36 0 28 14 5 2 0 16 0 60 2 0 0 14 0 30 0 33 0 34 0...

Страница 9: ...7 2 00 1 81 1 70 89 25 2 0 16 0 LOW 2 0 0 64 0 59 0 875 0 49 0 441 0 417 21 875 HIGH 4 0 0 157 0 15 0 22 0 145 0 112 0 105 5 50 10 0 80 0 LOW 10 0 0 035 0 024 0 042 0 024 0 021 0 0197 1 05 HIGH 20 0 0...

Страница 10: ...l ca r t ons in a place t ha t i s f r ee f r om mois t u r e dus t and metalli c chips For e i gn mat te r collecte d on t he outs i de of t he case may f i nd i ts way i n s i de when t he c ove r i...

Страница 11: ...the main brushes do This will prevent CT Current Transformer secondary circuits from being opened ELECTRICAL TESTS DRAWOUT RELAYS GENERAL Since all drawout r elays in service opera te in their cas es...

Страница 12: ...i on plug t o shor t t h e cu r r en t t r a n sfor mer seconda r y ci r cu i t Next scr ew the tap scr ews i n t o the t a p mar ked for the desi r ed cu r r ent and then r eplace the connect i on p...

Страница 13: ...ram Figures 5 or 7 and connected as indicated in Test Ci rcui t Figure 14 Whenever pos s i ble use the hi gher range s i nce the higher range has a higher continuous rating Setti ng the Ins tantaneous...

Страница 14: ...s t s cr ew was r emoved See Figure 2 Thi s pr ocedu r e i s neces sa r y t o pr event the right hand s t a t i ona r y cont act f r om get t i ng ou t of adjus t men t Scr ews shou ld never be lef t...

Страница 15: ...ge s ince it has a highe r con t i nuous rat ing 2 Set t he ins tantaneous unit to pi ck up at t he des i red cu r r en t level See SETTING THE INSTANTANEOUS UNIT in t he ACCEPTANCE TEST sect i on All...

Страница 16: ...cr a t ched a r e l eft ye t i s will clean off any corr os i on thoroughly and r api dl y It s flex i bi li ty ensures the cleaning of the act ua l poi nts of contact Do n ot use knives fi les abra s...

Страница 17: ...or m havi ng a volta ge of 120 vol t s or mor e wi th pur e r es is tance load boxes f or s et t i n g the cur r en t See Tes t Cir cui t Figur e 14 With t he tap plug i n t he 2 amp tap and the t i m...

Страница 18: ...own on Table XV TABLE XV 60HZ TAP AMPS MIN SEC MAX SEC MIN SEC 2 0 4 0 6 70 7 71 6 94 2 0 20 0 0 67 0 77 0 65 INSTANTANEOUS UNIT 1 Both contacts should close at the same time 50HZ MAX SEC 7 98 0 75 2...

Страница 19: ...cement of any that are worn broken or damaged When ordering renewal parts addres s the nearest Sales Office of the General Electric Company specify the quantity required and the name of the part wante...

Страница 20: ...and IAC54 Relays 26 9 60 Hz Time Current Characteristics for the Type IAC53 and IAC54 Relays 27 10 Time Curve Characteristics of the Instantaneous Unit 28 1 1 Saturation Curves for Lowest Taps of the...

Страница 21: ...NOTE AFTER ENGAGING AUXILIARY BRUSH CONNECTING PLUG TRAVELS 1 4 INCH BEFORE ENGAGING THE MAIN BRUSH ON THE TERMINAL BLOCK Figure 1 8025039 Cutaway of Drawout Case Showing Position of Auxiliary Brush a...

Страница 22: ...SPRING ADJUSTING RING GEK 34054 TOP INSTANTANEOUS UNIT ADJUSTABLE CORE MAIN STATtONARY BRUSH AND CONTACT ASSfMBlY otSK MA NET Figure 2 8041253 Type IAC53 Relay Removed from Case Front View 22 w w w E...

Страница 23: ...GEK 34054 COlt MAGNET AND TA P BLOCK ASSEMBLY TIME OVER CURRENT UNIT INStANTANEOus UNIT RANGE SELECTOR lEADS Figure 3 8041255 Type IAC53 Relay Removed from Case CRear Vie 23 w w w E l e c t r i c a l...

Страница 24: ...INST r l 4 3 5 2 f SHORT FINGER TSI TARGET SEAL IN INST INSTANTANEOUS UNIT B 6 SEE NOTE I c tNST UNIT 0 NOTE INST UNIT CONNS SHOWN ARE FO R LOW RANGE OPERATION FOR HIGH RANGE OPERATIOf CONNECT B o TO...

Страница 25: ...UNIT I i I T SI I 2 t SHORT FINGER HSI TARGET SEAL IN INSTANTANEOUS UNIT7 t I10 NOTE INSTAN UNIT CONNECTIONS SHOWN ARE FOR LOW RANGE OPERATION FOR HIGH RANGE OPERATION CONNECT 8 t o TO TERMINAL 6 t A...

Страница 26: ...10 60 10 I I I 4 1 01 04 02 Dt _ 1 110 20 10 l 11 5 31 a i 1111 MULTIPLES OF RELAY TAP SETTING Figure 8 Ol08B8939 2 50 Hz Time Current Characteristics for the Type IAC53 and IAC54 Relays 26 w w w E l...

Страница 27: ...o 2 3 o 0 Ls z o z s J o 4 o s o 6 o 7 oJa o to 12 2 a 2 5 J o q o s o G o 7 o a o to o t2 16 r 1 r t l 1 I I __ __ I 10 9 8 r 7 r 6 ICI 5 c 4 Ill r C 3 r 0 2 0 CD 1 E I f I 1 L 2 10 41 ltiiiO I I Il...

Страница 28: ...10 b 6 4 2 j 0 0 Ins tantaneous Unit L v h 1 l _ L 60 50 v 25 TAP RANGE 0 5 2 0 AMPS bO lTAP RANGE Q 1 5 6 0 AMPS 25 TAP 60 v lRANGE 50 v 4 16 25 AMPS 2 4 6 8 10 12 14 16 16 20 MULTiPLES JF I IMUM PI...

Страница 29: ..._ _ 4 4 06 1 1 2MM j_ 8 8 1 223M 2 M 8 375 2 1 2MM S T UD NUMBER I NG 9 7 5 3 1 0 0 0 0 0 0 0 0 0 0 1 0 8 6 4 2 BACK V I t 1 DR I LLED HOLES 2 l 8 _J 5MM r 1 I T Y P I CAL D I M I NCHES M M Figure 1 2...

Страница 30: ...OUNTNG FRONT VEW u VIEW SHONNG A6S M8 Y Of HAROWAFi FOR SURfACE WTG ON STE EL PANELS 10 32 SCREW ___ OR STUD AU IEL DRILLING FOR SURF4CE al NTWG FRONT I W Figure 1 3 620927 0 2 Out line and Panel Dri...

Страница 31: ...UN I T I 6 0 3 4 5 0 0 0 8 9 10 X LA13 TEST PLUG VAR I ABLE RES I STOR l TO T I MER START TO ACCURATELY REPRODUCE RELAY CHARACTER I ST I CS ALL TESTS SHOULD BE MADE W I TH RELAY I N CASE M I N RECOMME...

Страница 32: ...i 52 o 5 2 Tf 5 5 x l 5 1 3 5 51N J F i gure 1 5 6 3 7 5 6 6 7 2 Ext e r nal Connections o f Th ree Type IAC 5 3A Relays used for Phase to Phase and Ground Overcu r r en t P rotect ion of a 3 Phase C...

Страница 33: ...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...

Страница 34: ...GEPowerManagement 21 5 Anderson Avenue Markham Ontario Canada L6E 1 83 Tel 905 294 6222 Fax 905 201 2098 www ge com indsys pm 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...

Страница 35: ...nder RANGE AMPERES the range value which reads 2 0 1 5 0 should read 2 0 1 6 0 Also under TAPS AVAILABLE AMPERES at the end of the string oftap values where it reads 1 5 0 it should read 1 6 0 PAGE 6...

Страница 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...

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