GFRP Dry Plastic Insulation Transformer Bushing(Draw Lead Type)

Application:

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

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Main   performance

Technical standards

GB/T 4109-2008 IEC60137 Ed.6.0

Rated voltage

72.5KV

126KV

145KV

170KV

Rated current

630-1250A


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

750KV

750KV

Under 1.05 times of maximum phase   voltage tanδ

≤0 .004

Partial discharge under 1.5Um/√3

≤10pC

Bending resistant test load

2500N

2000-3150N

3150N

3150N

Minimum nominal creepage distance

31mm/kV


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Main   performance

Technical standards

GB/T 4109-2008 IEC60137 Ed.6.0

Rated voltage

252KV

Rated current

630-1600A

lmin power frequency dry voltage   withstand

505(460)kV

Full-wave impulse withstand voltage   of lightning

1050kV

Operation impulse withstand voltage

850KV

Under 1.05 times of maximum phase   voltage tanδ

≤0 .004

Partial discharge under 1.5Um/√3

≤10pC

Bending resistant test load

4000N

Minimum nominal creepage distance

31mm/kV


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