Techinical Parameter:H.V. unit40.5kVKYN10-40.5JYN1-40.5ZN23-35ZN12-35LN2-35(Z)Rated voltagekV40.5Rated currentA1250-1600Rated short-circuit breaking currentkV20-31.5Rated short-circuit making current(

Rated voltagekV40.5Lightning impulse withstand voltage(peak value)Phase to earth & phase to phasekV185Isolating distancekV2151minpower frequency withstand voltagePhase to earth, phase to phasekV95

Technical parameter:ItemUnitDataRated voltage (Max working voltage)kV12Rated insulation level1min power frequency withstand voltagekV42Lightningimpulse withstandvoltagekV75Rated frequencyHz50Main busb

H.V. unitRated voltagekV12Rated current of main bus-barA630Rated short-time withstand currentkA/s25/2Rated crest withstand currentkA63Rated short-time making currentkA63Breaking current of fuserkA31.5

product features 1 .product standards gb1094.1 ~ 2-1996 gb1094.3 ,5-1985 gb/t6451-1995 iec76 2. low loss - optimization of electromagnetic calculations, using combined technology of electrical shieldi

Main transformer Capacity (MVA)5,7.5,10,15,20,25,31.5Rating of HV sideSwitchgear (kV)33,66,77,110,132,138Rated current (A)1250,2000Rated short-circuit breaking current (kA)25,31.5,40Rating of LV sideS

Technical data item specification unit parameter 1 rated voltage kv 40.5 2 rated frequency hz 50 3 rated current a 630 4 rated short-time withstand current ka/s 20/2 5 rated peak withstand current ka

1.Wide-spreading application : Furnace transformer can be used widely for various kinds of furnace. 2.Withstanding short-circuit capability : Operation under the various severe situations3.Low noise :

Main technical parameter of GISNameUnitParameterRated voltagekV40.524Rated currentA630 1250 2000 2500Rated frequencyHz50/60Rated power frequency withstand voltage (1min)phase to phase,phase to earthkV