DEPTA RIP dry glue paper DC rheological tube

DEPTA RIP dry glue paper DC rheological tube

DEPTA RIP dry glue paper DC rheological tube

Product Introduction:

Dc rheo-changing bushing is the main insulation device outside the tank of DC transformer. The lead wire of the winding of DC transformer must pass through the rheo-changing bushing to insulate between the lead wire and the lead wire and the transformer tank, and to fix the lead wire at the same time.

Application scenario:

Mainly used in converter transformer valve side bushing

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 1673

 Technical parameter

Connection mode

High-end

Low end

Y

Y

Voltage level

±800

±600

±400

±200

Product model

DEPTA800/6250

DEPTA600/3600

DEPTA400/6250

DEPTA200/3600

Lightning impulse full wave withstand voltage(kV)

2057

1840

1495

1352

Operating impulse withstand voltage(kV)

1843

1502

1293

1155

Dc long-term withstand voltage(kV)

1500

1133

766

400

Polarity reversal voltage(kV)

1160

854

549

243

Rated current(A)

6250

3600

6250

3600

Temperature rise current(A)

6736

3900

6736

3900

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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