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
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