GFRP Dry Plastic Insulation Transformer Bushing(Current Carrying Type)

GFRP dry transformer bushing are applicable for the direct connection between transformers. Bushing can be installed horizontally, vertically or in any angles.

Main performance

Technical standards

GB/T 4109-2008 IEC60137 Ed.6.0

Rated voltage

72.5KV

126KV

145KV

170KV


Rated current

1600-3150A

1600-2000A


lmin power frequency dry voltage withstand

155(140)kV

255(230)KV

305(275)KV

355(325)KV


Full-wave impulse withstand voltage of lightning

325kV

550KV

650KV

750KV


Under 1.05 times of maximum phase voltage tanδ

≤0 .004

Partial discharge under 1.5Um/√3

≤10pC

Bending resistant test load

2500-4000N

3150-4000N

3150N

3150N


Minimum nominal creepage distance

31mm/kV


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