GE GEK-45404F инструкция обслуживания

GEK-45404F   MULTILIN  GE Power Management INSTRUCTIONS OVERVOLTAGE RELAYS TYPES IAV, 51 D K 52 C D K GE Power Management 205 Great Valley Parkway Malvern, PA 19355, USA Click here to get to our homepage: http://www.gemultilin.com/[...]

GEK-45404 2 DESCRIPTION ................................................................................................................................................... 3 APPLICATION ................................................................................................................................................... 4 RATINGS ......[...]

GEK-45404 3 D ES CRIPTIO N Thes e are si ngle- phase, sens itiv e overvo lta g e relay s o f th e i nduc ti on disk construc ti on. The y a r e e quipped w it h a tim e dia l s o a s t o provid e adj ustabl e tim e dela y i n thei r opera ti on. Th e relay s are principa ll y a pp li cab le f o r sen s itiv e overvo lta g e gr ound det ec ti on fo [...]

GEK-45404 4 A PPLICA TION Thes e are single- phase, sens itive , time- dela y overvo ltag e relay s . The y a r e p rincipa ll y a pp li cabl e for sens itiv e overvo ltag e gr ound det ec ti on fo r high- impedan ce gr ounded g enerator s o r for ung rounded powe r s y st ems . Thes e relay s a ll hav e a capac ito r i n serie s w it h th e opera [...]

GEK-45404 5 br oke n de lt a vo ltag e w ill therefo r e be th ree time s th e norma l delt a phase-to-phas e vo ltag e w it h no fault. RA TINGS Th e opera ting-cir cuit rating s ava ilabl e are s hown in Tabl e I . Th e opera tin g co il will sta nd rated voltage continuously on any tap. RELAY VOLTAGE RATINGS 60HZ 50HZ IAV51D 115 115 199 199 345 [...]

GEK-45404 6 suc h tha t the tri ppin g cu rren t doe s no t pa ss thr oug h th e c ont act s o f th e targe t a nd s eal-i n co il o f the protective relay. BURDENS Burdens for the various relay types are give in Tables IIIA and B. TABLE IIIA 60 - Cycle Burdens Rated Voltage RELAY TYPES VOLTAGE RATING TAP**SETTING VOLT-AMPS POWER FACTOR WATTS 1AV51[...]

GEK-45404 7 50 - Cycle Burdens at Rated Voltages RELAY TYPES VOLTAGE RATING TAP**SETTING VOLT-AMPS POWER FACTOR WATTS IAV51D 345 A(28) 31.9 0.36 11.4 B(42) 28.3 0.56 15.8 C(70) 21.0 0.79 16.6 D(112) 12.8 0.93 11.9 IAV51K 67 A(5.4) 28.8 0.29 8.4 IAV52K B(7.5) 26.6 0.45 12.1 C(12.5) 21.1 0.71 14.9 D(20) 16.0 0.86 13.7 115 No Taps 25.0 0.41 10.1 IAV52[...]

GEK-45404 8 50 - Cycle Burden at Rated Voltages RELAY TYPES VOLTAGE RATINGS TAP**SETTINGS VOLT-AMPS POWER FACTOR WATTS 1AV51D 115 A(10) 0.52 0.98 0.52 B(15) 0.67 0.99 0.67 C(25) 1.0 1.0 1.0 D(40) 1.52 1.0 1.52 IAV51D 199 A(16) 0.32 0.85 0.27 B(24) 0.5 0.93 0.46 C(40) 0.83 0.97 0.81 D(64) 1.33 0.99 1.32 IAV51D 345 A(28) 0.39 0.96 0.37 B(42) 0.58 0.9[...]

GEK-45404 9 Th e I AV 52 K rela y i s s imila r t o t h e I AV 51 K ex cep t that it ha s tw o, inst ea d o f one, norma lly - open contacts. Th e I AV 52 C i s a low-pi c kup, time- overvo ltag e rela y w it h tw o norma lly- open cont acts . I t ha s a seal- i n element . I t ha s a capac ito r c onn ecte d i n serie s w it h th e opera tin g c o[...]

GEK-45404 10 RECEIVING , HA NDLI NG , A ND STORA GE RECEIVING Thes e relays , whe n no t shi pped a s a par t o f a c ontro l pane l , w ill b e shi pped in cart on s desig ne d to prot ec t them ag ainst damage . I mmediate l y upon r eceip t o f th e rel ay , an exa minati on shoul d b e made fo r an y d a m a g e sus tain e d durin g s hi pme nt[...]

GEK-45404 11 CAUTION : Ev er y ci rcui t i n th e dra wou t cas e h a s a n aux iliar y brush . I t i s esp ecia ll y importan t o n cu rrent circuit s a nd oth er circuit s wit h shortin g bar s tha t th e aux iliar y brus h be ben t hig h enough to en gag e th e co nn ectin g p lu g o r t es t pl u g bef o re the mai n brushes d o. Thi s w ill p [...]

GEK-45404 12 ELECTRICAL TESTS Drawout Relays - General Sin ce a ll draw ou t relay s i n servi ce oper at e i n thei r cas es , it i s r eco mme nded tha t the y b e teste d in thei r cas e s o r a n equivalen t st ee l case . In thi s wa y a n y m a gn e ti c e ff ect s o f th e enclosur e w ill be accuratel y dup li cate d durin g tes ting . A re[...]

GEK-45404 13 INST A LLA TI ON INSPECTION A t th e tim e o f i nsta llati on, th e rela y s houl d b e ins p ect e d fo r t arni sh e d cont acts , loos e screws , o r o th er impe rf ec ti ons . I f an y t r oubl e i s f ound, it s houl d b e co rr ect ed ; s ee MAIN TE NANCE . Ch ec k the nameplate for model number and rating. LOCATION Th e loca t[...]

GEK-45404 14 ADJUSTMENTS Target and Seal-in Unit Fo r tri p co il s opera tin g on cu rren t rangin g fro m 0.2 up to 2.0 ampere s a t th e minimum c ontrol voltage, set the target and seal-in tap plug in the 0.2- ampere tap. Fo r tri p co il s opera tin g on cu rrent s rangin g fro m 2 t o 30 ampere s a t th e minimum c ontro l vo ltag e, place th[...]

GEK-45404 15 Time Setting Th e tim e o f opera ti on o f th e overvo ltag e rela y i s deter mine d pr imaril y b y t h e se ttin g o f th e tim e di al. Furthe r adj us tmen t i s obtaine d b y m ovin g th e p ermanen t magnet a l on g it s s uppor tin g s hel f ; m oving the magnet in toward the back of the relay decreases the time, while moving [...]

GEK-45404 16 CONTACT CLEANING Fo r cl eani n g fin e s ilve r c ont act s , a flexi ble burnishin g t oo l s houl d b e u se d. Thi s c onsist s o f a flexi bl e stri p o f meta l wit h an etched roug hened su rf ace , resemb lin g i n e ff ec t a s upe rfin e f ile . The po lishin g ac ti on i s s o de li cate tha t no scratche s ar e left , y e t[...]

GEK-45404 17 LIS T O F FI G UR ES FIG. 1 (8043181) TYPE IAV51D RELAY, REMOVED FROM CASE, FRONT VIEW FIG. 2 (8043182) TYPE IAV51D RELAY, REMOVED FROM CASE, REAR VIEW FI G . 3 (K6400439-5) I N TER NA L C ONNECTION S O F TH E TYPE I AV 51 D REL AY, FRONT VIEW FI G . 4 (0362A514-3) I N TER NA L C ONNECTION S O F TH E TYPE I AV 51 K REL AY, FRONT VIEW F[...]

GEK-45404 18 FIG. 1 (8043181-0) TYPE IAV51D RELAY, REMOVED FROM CASE, FRONT VIEW[...]

GEK-45404 19 FIG. 2 (8043182-0) TYPE IAV51D RELAY, REMOVED FROM CASE, R EAR VIEW[...]

GEK-45404 20 FIG. 3 (K-6400439-5) INTERNAL CONNECTIONS OF THE TYPE IAV51D RELAY, FRONT VIEW[...]

GEK-45404 21 FIG. 4 (362A514-3) INTERNAL CONNECTIONS OF THE TYPE IAV51K RELAY, FRONT VIEW[...]

GEK-45404 22 FIG. 5 (K-6556505-0) INTERNAL CONNECTIONS OF THE TYPE IAV52C RELAY, FRONT VIEW[...]

GEK-45404 23 FIG. 6 (418A790-0) INTERNAL CONNECTIONS OF THE TYPE IAV52D RELAY, FRONT VIEW[...]

GEK-45404 24 FIG. 7 (0257A8379-0) INTERNAL CONNECTIONS OF THE TYPEIAV52K RELAY, FRONT VIEW[...]

GEK-45404 25 FIG. 8 (0275A2004-0) EXTERNAL CONNECTION DIAGRAM OF TYPES IAV51KAND IAV52K FOR GENERATOR GROUND-FAULT PROTECTION[...]

GEK-45404 26 FIG. 9 (0275A2003-0) EXTERNAL CONNECTION DIAGRAM OF TYPE IAV51D, IAV52C AND IAV52D FOR GROUND-FAULT DETECTION ON AN UNGROUNDED SYSTEM[...]

GEK-45404 27 FIG. 10 (K6154391-3) TEST CONNECTIONS FOR OVERVOLTAGE RELAYS[...]

GEK-45404 28 NOTE: TD=Time Dial setting FIG. 11 (0178A8140-0) TIME VOLTAGE CURVES FOR TYPES IAV51D, 51K, 52D, AND 52K RELAYS[...]

GEK-45404 29 FIG. 12 (8025039-0) CROSS SECTION OF DRAWOUT CASE SHOWING POSITION OF AUXILIARY BRUSH[...]

GEK-45404 30 FIG. 13 (0275A4399-0) OUTLINE OF IAV51K AND IAV52K EXTERNAL CAPACITOR[...]

GEK-45404 31 FIG. 14 (K6209270-2) OUTLINE AND PANEL DRILLING FOR RELAY TYPES IAV51D, 52D AND IAV52C[...]

GEK-45404 32 * FIG. 15 (K6209271-8) OUTLINE AND PANEL DRILLLING FOR RELAY TYPES IAV51K AND IAV52K[...]