72.5-252kV Dry R.I.F./R.I.P. Oil/SF6 Bushing

///72.5-252kV Dry R.I.F./R.I.P. Oil/SF6 Bushing

72.5-252kV Dry R.I.F./R.I.P. Oil/SF6 Bushing

Description

Parameters

Technical standards GB/T 4109-2008 IEC 60137 Ed.6.0
Rated voltage 72.5kV 126kV 145kV 252kV
Rated current 630-2500A
1min power frequency dry(wet) voltage withstand 155kV 255kV 305kV 550kV
Full-wave impulse withstand voltage of lighting 325kV 550kV 650kV 1050kV
Operation impulse withstand voltage 850kV
Under 1.05 times of maximum phase voltage tan δ ≤0.004
Partial discharge under the rated voltage ≤10pC
Bending resistant test load 2000N 3150N 3150N 4000N