EPTG RIP dry adhesive paper oil -SF6 AC variable sleeve
EPTG RIP dry adhesive paper oil -SF6 AC variable sleeve
Product Introduction:
The main insulation consists of a paper-wrapped core, impregnated and cured with epoxy resin, installed between the oil-immersed transformer and the GIS equipment, with one end immersed in the transformer oil and the other end immersed in the casing in the switchgear GIS.
Application scenario:
Mainly used in hydropower station, for transformer and GIS connection;
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 & GB/T 22382 | |||||
Technical parameter | Maximum voltage of equipment(kV) | 126 | 145 | 252 | 363 | 550 |
Power frequency withstand voltage(kV) | 255 | 305 | 505 | 625 | 870 | |
Lightning impulse full wave withstand electricity(kV) | 550 | 650 | 1050 | 1175 | 1800 | |
Operating impulse withstand voltage(kV) | - | - | 850 | 950 | 1300 | |
Rated current(A) | 630-3150 |
630-3150
| 630-3150 |
630-4000
| 630-4000 | |
Ambient temperature(℃) | Minimum temperature:-45℃,Maximum temperature:45℃ | |||||
Seismic strength(g) | 0.5/0.25 |
Frequently Asked Questions
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