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BUSHING NANJINGZHIDAELECTRICCO LTDAug 12010 BushingDevicethatenablesoneorseveralconductorstopassthroughapartitionsuchasawalloratank andinsulatestheconductorsfromit themeansofattachment flangeorfixingdevice tothepartitionformspartofthebushing AppliedplaceTransformer reactor switch circuitbreaker transformer cableterminal throughawallorfloor maininsulation 1 Condenserbushing 2 Un Condenserbushing a Oilimpregnatedpaper OIP condenserbushing b Epoxyresinimpregnatedpaper RIP condenserbushing c Gas insulatedbushingd Liquid filledbushinge Castbushingf Combinedinsulationbushing TYPEOFBUSHINGS HVTRANSFORMERBUSHINGS HVTRANSFORMERBUSHINGS HVTRANSFORMERBUSHINGS HVDCTRANSFORMERBUSHINGS HVWALLBUSHINGS BUSHINGFORGIS LVTRANSFORMERBUSHING liquid filled HIGHCURRENTBUSHING HIGHCURRENTBUSHING Otherbushings Oil Oilbushing RIP Oil SF6bushing RIP transformer cableboxes GIS transformer OIP RIPCONGDENSERTRANSFORMERBUSHING transformer Typeoftransformerbushings Oil Airbushing OIP Oil Oilbushing RIP Oil SF6bushing RIP HVTRANSFORMER HVTRANSFORMERBUSHINGS HVTRANSFORMER Thebushingisbuiltuparoundacentretubeonwhichthecondenserbodyiswound Theupperinsulator lowerinsulator topchamberandmountingflangeareheldbetweentheendplatesbythecentretube Oil impregnatedpaperbushing Porcelaininsulator Highqualitytransformeroilfillsthespacebetweenthecondenserbodyandtheporcelain Sealingisaccomplishedbyoil resistantrubbergasketsingrooves Themountingflangeisequippedwithatesttap Thetopchamberisequippedwithanoillevelgauge Thelowerendisshieldedbyaseparatedshield Draw lead rod orsolidrodconductorconnection Thebushingismountedwithaninclinationofmaximum30degreefromthevertical Oil Airbushing OIP 1 Outerterminal2 Topchamber3 Setofsprings4 Airsideporcelaininsulator5 Condenserbody6 Testtap7 Mountingflange8 CT Pocket9 Oilsideporcelaininsulator10 Endshield Bushingstructure Structureofotherbrandbushing Oil Airtransformerbushing OIPcondensertransformerbushingsareusedforinsulatingandsupportpurposeontransformer Thebushingitselfisacompletelysealedunitconsistingofoilimpregnatedpaperandfoilwoundontoaconductor transformer Oil Airbushing Oil Airbushing Theoutdoorporcelains withalternatinglong shortshedform offerssuperiorperformanceunderpollutedandsevereweatherconditions Thebushingconsistsofcorecontainer porcelainandflange Theconnectingflangeincorporatesaselfgroundingtesttappingforcapacitanceandtan measurementDuringperiodicalmaintenance Aventingplugfortransformerturretevacuationisprovided Thebushingmaybeinclinedupto30degreesfromthevertical Oil Airbushing Thetypicalfailuresoftransformerbushings InsulationstructureofTRENCHbus
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