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INSTRUCTIONS

VOLTAGE RELAYS

Types

IAV51A

IAV52C

IAV51D

IAV53A

IAV51K

IAV53B

IAV52A

IAV53C

IAV53D

SWITCHGEAR DEPARTIEIT

GENERAL

ELECTRIC

PHILADELPHIA, Pl.

GEH-1814A

SUPERSEDES GEH·1814

www

. ElectricalPartManuals

. com

Содержание MULTILIN IAV51D

Страница 1: ...GE RELAYS Types IAV51A IAV52C IAV51D IAV53A IAV51K IAV53B IAV52A IAV53C IAV53D A SWITCHGEAR DEPARTIEIT GENERAL ELECTRIC PHILADELPHIA Pl GEH 1814A SUPERSEDES GEH 1814 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 2: ... 1 L1 _ r 1 0 TIME DIAl SETTING 1 J 4 5 L s 1 _ 9 10 I _ L _j_j r VI v 1 V r V 1r I K ILV v i Jl r C t t t r r r r j j_ 120 140 160 180 200 PERCENT OF MINIMUM OP RATING VOLTAGE Fig I Time Voltage Curves For Types JAV51A And IAV52A Relays t c 2 0 g lA 0 0 co 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 3: ... a single ended case the cover must first be removed Then the connecting plug can be drawn out In so doing the trip circuit is first opened then the voltage circuits are opened After the connecting plug has been removed the lower latch can be released and the cradle easily drawn out To replace the cradle the reverse order should be followed APPLICATION These relays are protective devices to close ...

Страница 4: ... available are 115 or 230 volts at 60 50 or 25 cycles The operating coil will stand rated voltage continuously on any tap and will stand tap voltage continuously on the taps above rated voltage The current closing rating of the contacts is 30 amperes for voltages not exceeding 250 volts The current carrying ratings are affected by the selection of the tap on the seal in coil as indicated Amperes F...

Страница 5: ... 38 1 9 82 3 6 0 36 1 3 70 5 1 0 34 1 7 64 6 2 0 34 2 1 55 8 2 0 34 2 9 Relay Types IAV510 IAV510 IAV510 IAV51K IAV52C IAV53A IAV53B IAV53C IAV51A IAV52A IAV53A IAV53B IAV53C Voltage Relays Type IAV GEH 1814 Voltage Tap Volt Power Watts Rating Setting Amps Factor 50 Cycle Burdens Con t 199 A 16 27 4 0 10 2 76 B 24 24 7 0 37 9 05 C 40 19 1 0 70 13 4 0 64 13 3 0 93 12 2 115 A 10 37 4 0 21 7 8 B 15 3...

Страница 6: ..._ l H 4f Htfl THAN V0LTAGE REQU I liE0 T0 CL0SE LE FT CONTACT 1 TO VALUES ON THE CUiVE 1 14 f r r 1 I V I TIME TO CLOSE LEFT CONTACTS WHEN VOLTAGE IS 1 121 1 1 11 4 H Hf H r 1 SUODENlY INCREASE0 FROM ZERO TO THE VALUES v o THE cuRvE 1 r 4 I v j r 1 t t 1 _ 70S 1 _ 1 1 80S l 90S LEFT CONTACTS CLOSED 95S 40 60 o 1 Ju TIU 140 160 180 2 0 PER CENT OF VOLTAGE REOU 1 RED TO CLOSE LEFT CONTACT I L L Fig ...

Страница 7: ...14 r rt t _ 1 t r t TAP lt l TAP r TAP TAP I TAP 18 TAP AP AP A TAP TAP t c TAP t r c t t i 1 i D TAP TYPICAL OPE TING CHARACTERISTICS 4 RELAY 121AV51D K 6 8 MULTIPLES OF TAP SETTING 10 12 14 Fig 3 Time Voltage Curves for Types IAV510 And IAV51K Relays 7 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 8: ...80 I r t 90 95 LEFT CONTACTS CLOSED 120 140 160 180 200 PER CENT OF VOLTAGE REQUIRED TO CLOSE LEFT CONTACTS Fig Time Voltage Curves For Type IAV53D Relay A C BUS t 1 c J Dll POTENTIAL TRANSFORMERS DEYICE FUNCTION NUMBERS 52 POWER CIRCUIT BREAKER 59 A C OVERYOLTAGE RELAY TYPE IAY51A o AUXILIARY CO TACT CLOSED WHEN BREAKER CLOSES n m NIT WITH TARGET fig 5 Connection Diagram Of Type I AY51A Relays Us...

Страница 9: ...contact of the seal in element To change the tap setting first remove the connecting plug Then take a screw from the left hand sta tionary contact and place it in the desired tap Next remove the screw from the other tap and place it in the left hand contact This procedure is necessary to prevent the right hand stationary con tact from getting out of adjustment Screws should not be in both taps at ...

Страница 10: ...9 Internal Connections Of The Type IAYSIA RelaJ Front View A C BUS OR L1 NE _ 1 2 3 Fig 8 SEAL IN ELEIIENT Fig 10 POTENTIAL L TRANS 1 CLOSES ON 5 OVERVOLTAGE2L___ CLOSES ON a gE UNOERVOLTAGE 10 TO AUX I ll ARY RELAYS OR INDICATING DEVICES 58 UNDER AND OVERVOLTAGE RELAY TYPE IAV5 8 Connection Diagram For The Type IAV538 Relay INDUCT I ON ELEMENT I I 1 5 6 INTERNAL CONNECTIONS FRONT VIEIIII SHORT F ...

Страница 11: ...s given for the Type IAV53C since its time voltage characteristics are explained under the section heading Operating Characteristics The time voltage characteristics are plotted in percent thus making them applicable for all tap settings INSPECTION At the time of installation the relay should be inspected for tarnished contacts loose screws or other imperfections If any trouble is found it should ...

Страница 12: ...RT FINGER Fig 13 Internal Connections Of The Type IAY53A Relay Front View l l 1 OPERAT lNG COIL I I 5 6 I TER AL CO ECTIOMS I RONT VIEI SNORT FINGER fig ll Internal Connec ti ons Of T he Type IAV52A QelaJ front View 1 l2 OP 11ATING COIL INTERNAL CONNECTIONS l l 5 9 6 10 IFRONT VIEW SHORT FINCFR fig Internal Connections Of The Types IAY53B And IAV530 Relays Front Vie 2 N a iL 0 tQ I lloC cil II 2 w...

Страница 13: ...paper or cloth may leave minute particles of in sulating abrasive material in the contacts and thus prevent closing The burnishing tool described above can be obtained from the factory PERIODIC TESTING An operation test and inspection of the relay at least once every six months are recommended Test connections are shown in Figs 18 and 19 RENEWAL PARTS It is recommended that sufficient quantities o...

Страница 14: ...OMETER Fig 18 Test Connections For Overvoltage Relays Fig 17 Back View Of Type IAV51A Relay Withdrawn From Case Fig 19 A C SUPPLY OF CORRECT FREQUENCY POTENTIOMETER NF 2 TIMER Test Connections For Undervoltage Contacts Of Over And Undervoltage Relays 00 0 0 00 D c LL m 0 0 00 m 10 D I _ 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 15: ...s Type IAV GEH 1814 n ai ou OUTLINE CASE r PANEL u VIEW SHOWING ASSEMBLY OF HARDWARE F OR SU RFACE MTG ON STEEL P ANELS 2DRILL 8 2 HOLES NEL DRIL LING F OR SUR FACE MOUNTING FRONT VIEW Fig 20 Outline And Panel Drilling For Relay Types IAY51A IAY510 IAY52A And IAY53C 15 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 16: ...E 1 l l 11 v u PANE L LOCATION SEMI FLUSH SURFACE TG MTG 11 OUTLINE I PANEL v u VIEW SHOWING ASSEMBLY OF HARDWARE FOR SURFACE NTG ON STEEL PANELS Fig 21 Outline And Panel Drilling For Relay Types IAVSIK IAV53A IAV53B And IAV53D GENERAL ELECTRIC COMPANY SCHENECTADY N Y m CQ I w N a r 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 17: ...TRUCTIONS VOLTAGE RELAYS TYPES IAV51A IAV52A IAV53A IAV53B IAV53C IAV53D IAV53K IAV53L IAV53M IAV53N GENERAL f j ELECTRIC GEIH814F Supersedes GEH 1814E 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 18: ...ON 7 MECHANI CAL INSPECTION 8 ELECTRI CAL TESTS 8 INSTALLATION 9 LOCATION 9 MOUNTI NG 9 CONNECT ONS 9 GROUND CONNECTIONS 9 FIELD INSTALLATION TESTS 9 PERIODIC CHECKS AND ROUTINE MAINTENANCE 9 SERVICING AND ADJUSTMENTS 10 TARGET AND SEAL IN UNIT 10 VOLTAGE SETTING 1 0 TIME SETTING 11 BEARING AND CONTACTS 11 RENEHAL PARTS 1 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 ...

Страница 19: ...n in Fig 13 The IAV53D ti me characteristi cs are shown i n Fi g 14 The IAC53C i s desi gned for ground fault protecti on and would normally b e applied wi th a phase to neutral connecti on givi ng 58 percent of rated voltage The relay is adjusted to have a 1 0 second operati ng ti me for ei ther a ground on the connected phase 0 volt operates the UV contact or a ground on another phase rated volt...

Страница 20: ...2 0 amperes at the 1n ir imum contr l voltage If this tap is used with crip coils requiring more tho n two amperes there is a possibility that the e1ght ohm resistance will reduce the current to so low a value that the breaker will not be tripped The two ampere tap should be used with trip coil s that take two amperes or more at minimum control vol tage provi ded the tri pping current does not exc...

Страница 21: ...12 0 0 36 4 3 55 17 0 0 39 6 6 IAV53C 115 NO TAPS 5 7 0 29 1 7 50 CYCLE BURDENS IAV51A 115 140 1 2 0 34 0 4 120 1 6 0 34 0 5 IAV52A 105 2 1 0 34 0 7 93 2 8 0 38 1 9 82 3 6 0 36 1 3 70 5 1 0 34 1 7 64 6 2 0 34 2 1 55 8 2 0 34 2 9 IAV53A 115 140 1 9 0 32 0 6 120 2 5 0 30 0 8 IAV53B 105 3 4 0 29 1 0 93 4 6 0 3 1 1 4 82 6 0 0 32 1 9 70 8 4 0 35 2 9 64 12 9 0 29 3 7 55 13 2 0 35 4 6 IAV53C 115 NO TAPS ...

Страница 22: ...i ne to ground so that under normal condi ti ons the rel ay recei ves 58 percent of rated phase to phase vol tage and both rel ay contacts are open If the phase to wh i ch the rel ay i s connected i s grounded the rel ay vol tage goes to zero and the right hand contacts close i n 1 0 seconds If either of the other two phases are grounded the rel ay vol tage i ncreases to rated vol tage and the l e...

Страница 23: ...n removed the l ower l a tch can be rel eased and the cradl e eas i ly drawn out To repl ace the cradl e the reverse order should be fol l owed RECEIVI NG HANDLING AND STORAGE RECE IVING These rel ays when not shi pped as a part of a control panel wi l l be shi pped i n cartons designed to protect them agai nst damage Immedi ately upon receipt of the rel ay an exami nati on should be made for any ...

Страница 24: ...e stati onary contact brush i n or out by means of i ts adj usti ng screw after thi s adjus tment check that the screw i s hel d fi rmly i n i ts support 9 On doubl e throw rel ays the support pos t of the upper spri ng shoul d cl ear the i nsul ati ng pl ate by at l east 1 64 i nch ELECTRICAL TESTS A DRAWOUT RELAYS GENERAL Si nce al l drawout rel ays i n service operate i n thei r cases i t is re...

Страница 25: ... ve vibrati on and wel l l i ghted to fac i l i ate i nspecti on and testi ng MOUNTING The rel ay shoul d be mounted on a vertical surface The outl i ne and panel dri l l ing dimensions are shown i n Fig 19 for rel ay Types IAV51A IAV52A and IAV53C Fig 20 shows outl ine and panel dri l l ing for rel ay Types IAV53A IAV53B and IAV53D Fi g 2 1 shows the outl i ne and panel dri l l ing for rel ay Typ...

Страница 26: ...in both taps at the same time as pi ckup for d i rect current wi l l be the higher tap val ue and a c pi ckup wi l l be i ncreased VOLTAGE SETTING The vol tage at whi ch the contacts operate may be changed by changi ng the posi ti on of the tap pl ug in the tap bl ock at the top of rel ay for rel ays such as the IAV51 A IAV52A IAV53A IAV53B and IAV53D whi ch have tapped coi l s The range of th is ...

Страница 27: ... time characteri s ti c of the rel ay is automati cal ly determi ned by the setti ng of the rati o of the vol tage to close the right contacts to the vol tage to cl ose the l eft contacts Fi g 14 shows the time vol tage characteri sti cs of the Type IAV53D rel ay No curve i s gi ven for the Type IAV53C si nce i ts time vol tage characteri sti cs are expl ai ned under the secti on headi ng CHARACTE...

Страница 28: ... SHORT F I NGER 2 GEH 1814 OPERAT I NG CO I L y 5 6 RES I STOR WHEN USED Fi g 1 K 6209664 6 INTERNAL CONNECTIONS OF THE TYPE IAV51A RELAY FRONT VIEW 12 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 29: ...GEH 181 4 O PE R A T I N G CO I L S E A L I UN I T r r I 1 3 5 2 6 Fig 2 K 6209665 3 I NTERNAL CONNECTIONS OF THE TYPE IAV52A RELAY FRONT V I EW 1 3 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 30: ...S E A L I N U N T 2 GEH 181 4 l5 L S E A L 1 N U N I T l9 1 0 Fi g 3 K 6209666 3 INTERNAL CONNECTI ONS OF THE TYPE IAV53A RELAY FRONT VIEW 1 4 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 31: ...PE R A T I N G C0 I L ___ l l l l 1 5 9 2 6 1 0 St JOf J F I N GER Fi g 4 K 64001 43 2 INTERNAL CONNECTIONS OF THE TYPES IAV53B AND IAV530 RELAYS FRONT VIEW 1 5 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 32: ...S E A l I N U N I T GEH 1814 2 V O L T A G E U N I T l5 Fi g 5 K 6400385 2 I NTERNAL CONNECTIONS OF THE TYPE IAV53C RELAY FRONT V I EW 16 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 33: ...P T 1sr O P r E C R o m A I i L N G ELEMENT I I I L l 1 V r l I I I I 5 I 6 10 SHO RT FINGER Fig 7 K 6556475 1 INTERNAL CONNECTION DIAGRAM FOR TYPE IAV53K RELAY 17 I I I I I I I 2 0 I 0 p E C A 0 T A I T L I N G I l v I I l I 5 e I 0 S H O R T F I N C E R Fig 8 K 6556476 0 INTERNAL CONNECTION DIAGRAM FOR TYPE IAV53L AND IAV53N RELAYS 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: ...B A R NOT E A F T E R E N G A G I NG AU X I L I ARY B R U S H CO N N ECT I N G P L U G T R AV E LS 1 4 I N C H BE FO R E E N G A G I NG T H E M A I N B R U S H O N T H E T E R M I N AL B LO C K Fig 9 8025039 CROSS SECTION OF DRAWOUT CASE SHOWING POSITION OF AUXILIARY BRUSH 18 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: ... S F J59 1 52 a TC 4 __ _ _ 5 9 A C OV E RV O LTAG E R E L A Y TY PE I AV 5 1 A a A U X I L I A RY C O N T A C T C LO S E D W H EN B R E A K E R C LO SE S S l S E A L I N UN I T W I TH TARGET TC TR I P C O I L Fi g 10 K 6375692 1 CONNECTION DIAGRAM FOR THE TYPE IAV51A RELAY USED FOR OVERVOLTAGE PROTECTION 19 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 36: ...9 6 i 6 5 1 5 L__ 1 0 C LOSES ON 27 UNDE R VOLTAGE 20 TO AUXILIA R Y RELAYS OR I ND ICATI N G DE VIC ES 27 59 UND E R AND OVE RVOLTAG E R EL AY TY PE IAV 53 K Fi g 1 1 0275A4305 1 CONNECTION DIAGRAM FOR THE TYPE IAV53 RELAY 20 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 37: ...ETIIN6 2 I 2 3 4 5 6 7 B 9 10 I I I I I I I I I I 1 I I II v I I I v I I I I 1 v L I I I v I I I V I I I I v I I j rv I I v I I I y _ I I I v t 1 I _N t f _ r 1 t r r t 1 t r r E r 1 1 0 120 130 140 150 160 170 lBO 190 200 PERCENT OF TAP VALU E Fi gure 12 0285A8966 0 Time Voltage Curves for Types IAV51A and IAV52A Rel ays 15 Tolerance Indi cates Revi sion 21 w w w E l e c t r i c a l P a r t M a n...

Страница 38: ...1111ld L C L f g nv6Err 6 D 0io VALUF n co fACll I I T J M E T O C LO S E L E F T C O N T A C T S WH E N V O L T A G E J S 1 2 S U D D E N LY I N C R E A S E D F RO M Z E RO TO T H E I ND I CATED P I CKUP MULT PLE r 1 lf 0 z w 1 z I I v I I I I II II 1 v 1 0 r sr r 4 4 r 4 T J M E VO L T A G E C U RV E S F O R 1 2 1 AV 53 A V O L T A G E R E LA Y r 1 I I I 6 R I GHT CONTACI CLOSURF I N 0 LEFT CONT...

Страница 39: ...T I i CO NTA CT P i C K U P VO LTAGE OR ABOV E 1 I I l Ll I I J v I v I TI M E TO CLO SE LEFT CO N TA C TS W H E N VO LTAG E IS SU D D E N LY I N C RE ASED F R OM ZEF 0 v J I I T0 T H E I NDIC AT E P l r K U P M U LT I P LE v l l J I I X J v v 1 X1 _v v f J RIC HT CON TA CT CLOSU RE IN v v I 0 aF LEFT CONTACT P I Ci JP v v v I I so t 1 v 1 v f t 60 t r v 70 r __t r r 80 I _ 90 95 LEFT CC TACTS CLO...

Страница 40: ...l l S T AT I O N ARY c o n c r r t GH r SE AL tN UNIT MOVI N G CONTACT A S S FM BU c _ _ M A I N MOVING CONTACT A N D CAR R I ER ff S _ lNG NEJt J JLECTRIC t _ R I N G 1 V O l TA G E R H A Y DR AG MAGNET f I _r _ c If Fig 15 8007378 FRONT V I EW OF TYPE IAV51A RELAY WITHDRAWN FROM CASE 24 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 41: ...DISK AND SHAFT LOW E R JEWEL SCREW GEH 1814 Fig 16 8007379 BACK VIEW OF TYPE IAV51A RELAY WITHDRAWN FROM CASE 25 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 42: ... I OM E T E R 59 D E V I C E F U N C T I O N N UM B E R S 59 OV E RV O LTAG E R E L A Y T Y P E I AV S l SE A L I N U N T W l H T ARC ET MF 2 T I M E R F i g 1 7 K 61 54391 2 TEST CONNECTIONS FOR OVERVOLTAGE RELAYS 26 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 43: ...I MER 5 6 OEV I C FU NCT I ON N U M B E R S 5 8 U N D E R A N D O V E RV O LTAGE RE LAY T Y P E I AV 53 S l S E A L I N U N I T W I TH TARGE T F i g 18 K 6375693 1 TEST CONNECTIONS FOR UNDERVOLTAGE CONTACTS OF OVER AND UNDERVOLTAGE RELAYS 27 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 44: ...NE VIEW SH NING A5S MI LY OF HAROWAFCE FOR SURfACE MTG ON STE L PANELS y i 1 t8STUDS FOR _ SURFACE MTG 10 32 SCREW OR STUD Fig 19 K 6209270 2 OUTL INE AND PANEL DRI LLING FOR RELAY TYPES IAV51 A IAV52A IAV53C 28 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 45: ... A P I WA R FOR SU RFACE MTG O N SfEEL FA EL5 curour MAY R EP1 ACE DR ILLED HOLES O PT I ONAL 29 4 1 156 500 12MM TYPICAL PANEL WNG FO l SEM I FWSH MOUNTING tFRONT VIE W DR I LL 10 H OLES 1 33 M 5 25 ttgMM PANEL DRILLING FOR SJRFACE tv OUNTING lF RO NT VIE W Fi g 20 K 6209271 6 OUTLINE AND PANEL DRI LL ING FOR RELAY TYPES IAV53A IAV53B AND IAV53D 29 w w w E l e c t r i c a l P a r t M a n u a l s ...

Страница 46: ...1 5 3 I 0 00 00 0 0000 0 8 6 4 2 N U MBE R I N G OFSTU DS BACK V l EW 15MM iD R I LL 2HOLES 19MM DRILL 20 HOLES BOT H ENDS PANEL DR I LLI N G FOR SURFACE MOU NTING F R0 N T V I E W Fi g 21 K 620927 2 5 OUTLINE AND PANEL DRILLING DIMENSIONS FOR RELAY TYPES IAV53K IAV53L AND IAV53M RELAYS 30 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 47: ...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 48: ...G EN E RAL ELECT R IC COMPANY POWER SYSTEMS MANAG EMENT BUSIN ESS D EPT MALVERN PA 1 9355 G E N E R A L fj E L E CT R I C 7 85 12 77 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 49: ...INS TR UCTIONS VOLTAGE RELAYS TYPES IAV 5 1A IAV53D IAV52A IAV53K IAV53A IAV53L IAV53B IAV53M IAV53C IAV53N GENERAL ELECTRIC GEH 1814J 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 50: ...equirements General 1 0 Pickup Voltage Test 1 0 Time Voltage Test 1 0 INSTALLATION 1 1 INSPECTION 1 1 LOCATION 1 1 MOUNTING 1 1 CONNECTIONS 1 1 GROUND CONNECTIONS 1 1 FIELD INSTALLATION TESTS 1 1 PERIODIC CH ECKS AND ROUTINE MAINTENANCE 1 1 DISK AND B EARINGS 1 1 CONTACT CLEANING 1 2 SERVICING AND ADJ USTM ENTS 1 2 TARGET AND SEAL IN UNIT 1 2 VOLTAGE SEITING 1 2 TIM E SEITING 1 3 B EARING AND CONT...

Страница 51: ...ine breaker closing circuit when normal machine voltage is present and the normal ly closed contact to operate the machine breaker trip circuit for undervoltage conditions The operating time characteristic for the IAV53A IAV53B IAV53K and IAV53L relays are shown in Figure 1 3 The IAV53D and IAV53N time characteristics are shown in Figure 1 4 The IAV53C is designed for g round fault protection and ...

Страница 52: ... 1 5 IAV53M 1 99 1 99 IAV53D 1 1 5 IAV53N 240 The current closing rating of the contacts is 30 amperes for voltages not exceeding 2 50 volts The current carrying ratings of all but the IAV53C and IAV53M are affected by the selection of the tap on the seal in coil as indicated in Table II TABLE II FUNCTION DC Resistance 10 Minimum Operating I 0 40 Carry I Continuously amperes Carry 30 amps for seco...

Страница 53: ...he protective relay The above data in regard to contact rating apply to all relays covered by these instructions except the Types IAV53B and IAV53D which do not have seal in units In these cases the contact ratings are limited in their current carrying capacity by the interrupting ratings as shown below FUNCTION VOLTS AMPERES AC DC Make and 1 25 1 5 0 3t interrupt 250 0 75 0 1 5t at 600 0 00 0 00 ...

Страница 54: ... The IAV53A relay is an under and overvoltage relay with double th row contacts The left hand contacts close as the voltage increases to some predetermined value The rig ht hand contacts close when the voltage decreases to some lower value Between these two voltage values both contacts are open Time voltage characteristics are shown i n Fig u re 1 3 The Type IAV53B relay differs from the Type IAV5...

Страница 55: ...the main contacts close the seal in unit picks u p and seals in When the seal i n unit picks up it raises a target into view which latches up and remains exposed until released by pressing a button beneath the lower left corner of the cover The case is suitable for either surface or semi flush panel mounting and an assortment of hardware is provided for either mounting The cover attaches to the ca...

Страница 56: ...hat is free from moisture dust and metallic chi ps ACCEPTANCE TESTS I mmediately u pon receipt of the relay an INSPECTION and ACCEPTANCE TEST should be made to make sure that no damage has been sustained in shipment and that the relay calibrations have not been disturbed If no pickup val ue for the left contact is specified on the req uisition for the relays with tap blocks the relay is shipped wi...

Страница 57: ...ing screws are tight There should be no noticeable friction in the rotating structu re Rotate the time d ial to the zero position 0 Check by means of a neon lamp that the contacts just close There should be approximately 1 32 inch wi pe on the stationary contact If the contact does not close adjust the d isk position by backing off the two clamping screws on the stop arm and rotating the stop arm ...

Страница 58: ...ore taps on relays that close contacts on increasing voltage The pickup voltage should be ta p val ue 5 The d rop out voltage should be checked on one or more taps on relays that close contacts on decreasi ng voltage The dropout voltage is a variable depending u pon user req u i rements Refer to the VOLTAGE SETTING section u nder S E RV I C I N G A N D ADJUSTM ENTS See relay nameplates for values ...

Страница 59: ...ime voltage tests descri bed in ACCEPTANCE TESTS ELECTR ICA L TESTS should be made to determ i n e that the adjustments have not been disturbed The relay may be tested while mounted on the panel either from its own or another source of power by inserting a separate testing plug in place of the connecting plug Or the cradle can be drawn out and replaced by another that has been laboratory tested PE...

Страница 60: ...desired tap Next remove the screw from the other undesired tap and place it in the left hand contact Th is procedu re is necessary to prevent the rig ht hand stationary contact from getting out of adj ustment Screws should not be i n both taps at the same time as pickup for direct cu rrent DC wi ll be the higher tap value and AC pickup will be increased VOLTAGE SETTING The voltage at which the con...

Страница 61: ...make time setti ngs set the ti me dial to the number req u i red to give the desi red cha racteristic by turning it u ntil the nu mber l i nes up with th e notch in the adjacent frame The time i ndicated by the cu rves is th e ti me requ i red to close the relay contacts when the voltage is suddenly i ncreased from a val ue below pick u p to the val u e on the curve F i g u re 1 3 shows the charac...

Страница 62: ... Type IAV53 Relay 23 1 2 Time Voltage Cu rves for Type IAV5 1 A and IAV52A Relays 1 5 Tol e rance 24 1 3 Ti me Voltage Curves for Type IAV53A IAV53 B IAV53 K and IAV 53 L Relays 1 5 Tole rance 2 5 1 4 Ti me Voltage Cu rves for Type IAV53D a nd IAV53N Relays 1 5 Tolerance 26 1 5 F ront View of Type IAV5 1 A Relay Withdrawn From Case 27 1 6 Back View of Type IAV5 1 A Relay Withd rawn From Case 28 1 ...

Страница 63: ... N r r 1 2 O P E RATI N G CO I L T 1 5 6 RESISTO R WH E N USED S H O RT FI N G E R Figure 1 K 6209664 7 Internal Connections of the Type IAV51 A Relay Front View 1 5 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 64: ...EH 1 814 O P E R A T I N G C O I L S EA L I UN I T r r I 1 3 5 2 6 Figure 2 K 6209665 3 Internal Connections of the Type IAV52A Relay Front View 1 6 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 65: ...S E A L I N UN T 2 GEH 1 81 4 l5 _j_ SE A L I N U N I T l9 1 0 Figure 3 K 6209666 3 Internal Connections of the Type IAV53A Relay Front View 1 7 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 66: ...1 81 4 O PE R A T I N G C O I L r 5 6 l r 9 1 0 St JQHJ F I NGER Figure 4 K 6400 1 43 2 Internal Connections of the Type IAV53B and IAV53D Relays Front View 1 8 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 67: ...S E A l I N U N I T G EH 1 81 4 2 V O L T A G E U N I T i5 Figure 5 K 6400385 2 Internal Connections of the Type IAV53C Relay Front View 1 9 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 68: ... T J S I p E C t R o A I T L N G ELEMENT I _ __J L 1 J v r r I I I 5 I 6 10 SHORT FINGER Figure 7 K 6556475 1 Internal Connection Diagram for Type IAV53K Relay 20 I I I I I I t 20 I I 0 p E C R 0 T A I T L I N G l I v I l I 5 e 1 0 S H O R T F I N C E R Figure 8 K 6556476 Internal Con nection Diagram for Type IAV53 L and IAV53N Relays 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 69: ...G BAR NOT E A F T E R E N G AG I NG AU X I L I ARY B R U S H CON N ECT I N G P L U G T R AV E LS 1 4 I N C H BE FO R E E N G A G l NG T H E M A I N B R U S H O N T H E T E R M I N AL B LO C K Figure 9 8025039 Cross Section of Drawout Case Showing Position of Auxiliary B rush 2 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 ...

Страница 70: ...59 15 2 8 ll TC 59 A C OV E R V O LTAG E R E LAY TY PE I AV 5 1 A a AU X I L I A RY C O N T A C T C LO S E D W H E N BRE A KE R C LO SE S S l S E A L I N UN I T W I TH TARGET TC T R I P C O I L Figu re 1 0 K 6375692 1 Connection Diagram for the Type IAV5 1 A and IAV52A Relays used for Overvoltage Protection 22 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 71: ...__ 6 1 6 5 1 5 1 0 C LOSES O N 27 5 0 UNDE R VOLTAGE 20 2 7 TO AU XILIA R Y RELAYS OR I ND I C A TI N G DEVIC ES 27 59 UND E R AND OVERVOLTAGE R E L AY TY PE IAV 53 K Figure 1 1 0275A4305 1 Connection Diagram for the Type IAV53 Relay 23 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 72: ...TING 2 I 2 3 4 5 G 7 B 9 10 t L L L I L I L II I I I I I I I I I I I I I I I I I II I I f v I I I v I I v N I l I I I rv I I I I I I r lf I I I ll ttII_ I J rf t r J 1 r b t 1 1 6 _ r r r t F r r r r 1 10 120 130 140 150 160 170 180 190 200 PERCENT O F TAP VALUE Figure 1 2 0285A8966 Time Voltage Curves for Type IAV51 A and IAV52A Relays 1 5 Tolerance 24 w w w E l e c t r i c a l P a r t M a n u a ...

Страница 73: ...L O S E L E F T C O N TA C T S WH E N V O L T A G E I S 1 2 SU D D E N LY I N C R E A S E D F RO M Z E RO TO T H E I N D I CATED P I C KUP MU LT PL E 1 0 z r 3 w 1 z 1 f 1 L V1 I I V I II I II 1 1 v 1 0 r r r r r 8 r r r r rr r r r r r r T I M E VO L T A G E C U R V E S F O R 1 2 1 AV 53 A V O L TA G E R E L A Y I 1 1 1 6 RIGHT CONTAC I CLOSURF I N 0 LEFT CON TACT P I C KUP 4 1 5 0S l 2 4 _ d j l ...

Страница 74: ...TA CT PI C K U P VO LTAGE OR ABOV E I I I I I I I I v I v I TI M E TO CLO SE LE FT CO N TA C TS W H E N VO LTAG E IS SU DDENLY I N C RE ASED F R O M ZER O I I 1 l T O TH E I NDIC AT ED P I C K U P M U LT I P LE v I I I __ I I J I X I I X1 v RI C HT CON TA CT CLO S U RE IN I v I I o0 C F LEFT CONTACT P C f JF v I r I so _ I 1 60 l r r r v 70 __ r _ _t r 80 r 90 95 LEFT CC TACTS CLOSED 0 20 40 60 80...

Страница 75: ...SE AL IN UNlT MOV i N G CONTACT li S Sf M BU f Y _ o li ___ MAIN STATICNARY B R U S H A N D CONTAC T A SSE MSLY M A I N MOVING CONTACT AND CAR R I ER j __ J L S PR I N G A D J U S T I N G R I N G DRAG MAGNET Figure 1 5 8007378 Front View of Type IAV51 A Relay Withd rawn From Case 27 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 76: ...DISK AND SHAFT ib hE ilJU tu _ LOWE R _ JEWEL SCREW GEH 1 814 Figu re 1 6 8007379 Back View of Type IAV5 1A Relay Withdrawn From Case 28 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 77: ... F R E Q U E N CY POT E N T I OM E T E R 6 D E V I C E F U N C T I O N N UM B E R S 5 9 OV E R V O LTAG E R E LA Y T Y P E I AV S l SE A L I N U N I T W I TH TARG E T M F 2 T I M E R Figure 1 7 K 6 1 54391 3 Test Connections for Overvoltage Relays 29 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 78: ... C E F U NCT I ON N UM B E R S 58 U N DE R A N D O V E RVO LTAGE R E LAY T Y P E I AV SJ S f S E A L I N U N I T W I TH TARGET Figure 18 K 6375693 1 Test Connections for Undervoltage Contacts of Over and Undervoltage Relays 30 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 79: ...H 1 81 4 ou rLINE u VIEW SH NG A6S M Y OF HAROWAFiE FOR SURfACE t tTG ON STEIL PANELS 10 32 SCREW OR STUD Figure 1 9 K 6209270 2 Outline and Panel Drilling for Relay Types IAV5 1 A IAV52A IAV53C 31 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 80: ...TU D NUMBER I NG g 7 5 3 1 0 0 0 0 0 0 0 0 0 0 1 0 8 6 2 BACK V I DR I LLED HOL E S 1 1 56 29MM 2 1 8 J 5MM I T I 2 1 8 f 4 5MM 1 1 7 1 8 1 8MM FOR 5 687 1 4 4 MM PANEL DR I LL I NG SEM I FLUSH MOUNT I NG FRONT V I E PANEL_ I 3 4 DR L L 1 0 HOL S 1 9MM PANEL D I LL NG FOR URFACE lviOL N1 I NG FRONT V I EW 5 1 6 1 8 STUD T Y P I CAL D I M 3 0 I 76MM _ I NCHES MM V I EW SHOW I NG A S SEMBLY OF H ARD...

Страница 81: ... 1 6 1 8 STUDS FOR SURFACE MTG 1 9 1 7 1 5 1 3 1 1 0 0 0 0 0 0 0 0 0 0 9 8 75 20 1 8 1 6 1 4 1 2 2 5 0MM ___ _ STUD 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 EW CUTOUTS MAY REPLACE DR I LLED HOL E S 4 87 5 1 23MM 1 7 5 I L 46MM PANEL DR I LL I N G FOR SURFACE MOUN T I NG FRONT V I EW 3 0 I 7 6MM 5 1 6 1 8 STUD TYP I CAL D I M I NCHE S MM V I EW S HOW I NG ASSEMBLY OF HARDWARE ...

Страница 82: ...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 83: ...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 84: ... Protection and Control Business Department G m ral Electric Company Pr otl ct ron and Control 205 Gr e at Valley Parkway Ma lver n Pe nmylvania 1 9355 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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