252kV Dry R.I.F. /R.I.P. Transformer Bushing(Draw Lead Type)

///252kV Dry R.I.F. /R.I.P. Transformer Bushing(Draw Lead Type)

252kV 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 252kV
Rated current 630-1600A
1min power frequency dry(wet) voltage withstand 505(460)kV
Full-wave impulse withstand voltage of lighting 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 4000N
The minimum nominal creepage distance 31mm/kV