GFRP Dry Plastic Insulation Transformer Bushing(Current Carrying Type)

Application:

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  IEC 60137   Ed.6.0

Rated voltage

72.5KV

126KV

145KV

170KV

Rated current

1600-3150A

1600-2000A

lmi  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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