72.5kV Dry R.I.F./R.I.P. Transformer Bushing(Draw Lead Type)

///72.5kV Dry R.I.F./R.I.P. Transformer Bushing(Draw Lead Type)

72.5kV Dry R.I.F./R.I.P. Transformer Bushing(Draw Lead Type)

Description

Parameters

Technical standards GB/T 4109-2008 IEC 60137 Ed.6.0
Rated   voltage 72.5kV
Rated   current 630-3150A
1min   power frequency dry(wet) voltage withstand 155(140)kV
Full-wave   impulse withstand voltage of lighting 325kV
Under   1.05 times of maximum phase voltage tan δ ≤0.004
Partial   discharge under the rated voltage ≤10pC
Bending   resistant test load 2500N
The   minimum nominal creepage distance 31mm/kV