EPGA RIP dry paper GIS outlet bushing

EPGA RIP dry paper GIS outlet bushing

EPGA RIP dry paper GIS outlet bushing

Product Introduction: 

The main insulation consists of a paper-wrapped core, impregnated and cured with epoxy resin, which is installed between the GIS equipment and the overhead transmission line to act as insulation and support.

Application scenario:

Mainly used GIS inlet and outlet line;

Product features: 

Electrical performance

The core adopts RIP structure with high insulation heat resistance to avoid long-term aging of insulation materials. Using advanced winding and curing technology, the product discharge is <3pC.

The automatic winding machine is used for winding, and the inner insulation ratio of the core is high, which can effectively improve the distribution of the outer insulation electric field under harsh conditions.

Mechanical property

Double-channel sealing structure, excellent waterproof and leak-proof performance.

With high mechanical strength, meet the requirements of Class Ⅷ earthquake resistance.

The use of high-strength materials to cope with metal fatigue under long-term operation.

Operational thermal stability

No oil, easy to explode, fire and other phenomena after failure, high safety and reliability;

Excellent insulation, maintenance free.

Operating environment

Can be used in high altitude areas;

Can be used in heavy dirty areas.

Product parameter

Key technical parameters

Standard

IEC 60137 & GB/T 4109

Technical parameter

Maximum voltage of equipment(kV)

126

145

170

252

363

420

550

Power frequency withstand voltage(kV)

230

275

355

460

625

750

870

Lightning impulse full wave withstand voltage(kV)

550

650

750

1050

1175

1550

1800

Operating impulse withstand voltage(kV)

-

-

-

850

950

1175

1300

Rated current(A)

2000-3150

3150-4000

Ambient temperature(℃)

Minimum temperature:-45℃,

Maximum temperature:45℃

Seismic strength(g)

0.5/0.25

Frequently Asked Questions

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