Instruction/ maintenance manual of the product K-45404F GE
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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.
GEK-45404 2 DESCRIPTION ................................................................................................................................................... 3 APPLICATION .................................................................
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.
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 .
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.
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.
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.
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.
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 .
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 .
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.
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 .
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 .
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.
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.
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 .
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 .
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.
An important point after buying a device GE GEK-45404F (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought GE GEK-45404F yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data GE GEK-45404F - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, GE GEK-45404F you will learn all the available features of the product, as well as information on its operation. The information that you get GE GEK-45404F will certainly help you make a decision on the purchase.
If you already are a holder of GE GEK-45404F, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime GE GEK-45404F.
However, one of the most important roles played by the user manual is to help in solving problems with GE GEK-45404F. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device GE GEK-45404F along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
