DEPAA type dry glue paper DC through wall bushing

DEPAA type dry glue paper DC through wall bushing

DEPAA type dry glue paper DC through wall bushing

Product Introduction:

The high pressure wall bushing is installed on the wall or roof of the building such as the converter valve hall, and is used as the conductive part to pass through the wall or other ground objects to provide insulation and support. 

Application scenario:

Mainly used in DC converter valve hall through the wall sleeve

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 22674& DL/T 1726

Technical parameter

Product model

DEPAA200/5000

DEPAA400/5000

DEPAA800/5000

Voltage level

±200

±400

±800

Lightning impulse full wave withstand voltage(kV)

750

980

1950

Operating impulse withstand voltage(kV)

715

960

1675

Dc long-term withstand voltage(kV)

270

638

1275

Polarity reversal voltage(kV)

225

532

1063

Temperature rise current(A)

6250

6250

6250

Seismic strength(g)

0.4/0.2

Ambient temperature(℃)

The minimum temperature outside the door is -40℃, the maximum temperature is 40℃, and the valve hall side is 60℃

Frequently Asked Questions

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