Supplier Details

Year Established:2010

Business Type:Manufacturer

Management Certifiation:
ISO 9001:2008

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  • 252kV FRP Dry Porcelain Transformer Bushing

252kV FRP Dry Porcelain Transformer Bushing

252kV FRP Dry Porcelain Transformer Bushing

Product Details

Quick Details

Description

 252kV FRP Dry Porcelain Transformer Bushing

 

          Main  dimension

 

 

 

 

 

Type

Total length of casing 

Terminal blocks

Cable entry length

Head diameter

lead wire connection aperture

Porcelain external insulation

Flange

Total length of oil impregnated part

Core diameter in oil

Oil earthed length

Equalizing ball

Inner diameter of conductive tube

Casing weight

Hole number and 

hole diameter

Hole distance

Panel surface

Panel thickness

Insulation diameter

Nominal creepage distance

Maximum umbrella

diameter

Outer diameter of

flange plate

Center distance of

installing hole

Hole number and
hole diameter

Inner diameter of sealing surface

Center distance of air vent

L

n1×d1

a1

b1×b2

δ

L4

d3

d8

L1

S

d9

d10

a2

m×d2

d4

L6

L2

d

L3

L5

d5

d7

kg

EBRG252/630-800

3835

4x14

40

80×80

12

3605

425

28

2240

7820

440

550

500

16×22

300

145

925

280

0

65

245

50

700

EBRGL252/630-800

4135

4x14

40

80×80

12

3905

425

28

2240

7820

440

550

500

16×22

300

145

1225

280

400

65

245

50

735

EBRG252/1250

3855

4x18

50

100×100

14

3605

425

32

2240

7820

440

550

500

16×22

300

145

925

280

0

65

245

50

710

EBRGL252/1250

4155

4x18

50

10100

14

3905

425

32

2240

7820

440

550

500

16×22

300

145

1225

280

400

65

245

50

740

EBRG252/1600

3855

4x18

50

100×100

16

3605

425

32

2240

7820

440

550

500

16×22

300

145

925

280

0

65

245

50

715

EBRGL252/1600

4155

4x18

50

10100

16

3905

425

32

2240

7820

440

550

500

16×22

300

145

1225

280

400

65

245

50

745

 

 

         Note:The outline dimension of the product in the table is recommended,all size can be designed according to the needs of users. Only one kind of CT length is listed

on the table, and the user can design the CT length according to the product requirements.With the changes of CT length, relevant dimensions also change.

 

Technical standards

GB/T 4109-2008               IEC 60137 Ed.6.0

Rated voltage

252kV

Rated current

630-1600A

1min power frequency dry(wet) voltage withstand

505(460)kV

Full-wave impulse withstand voltage of lighting

1050kV

Operation impulse withstand voltage

850kV

Under 1.05 times of maximum phase voltage tan δ

≤0.004

Partial discharge under the rated voltage

≤10pC

Bending resistant test load

4000-5000N

The minimum nominal creepage distance

31mm/kV

 

Company Profile

Chinsun,Shandong Electrical Equipment Co., Ltd. was founded by several returned Doctors who had years of work experience in China Electric Power Research Institute.It is the key high-tech enterprise which is strongly supported by the Chinese government. It is located in the national high and new technology development zone of Zibo, Shandong province and it covers an area of more than 100 acres in which the factory building covers an area of 50000 square meters, the office area covers 8000 square meters and the test space covers 5000 square meters. There are 4 staff with doctoral degree, 45 staff with master degree and bachelor degree in all kinds of professions and the number of staff with bachelor degree or above accounts for 40% of the company’s staff. The company has strong scientific research ability, owns 28 results of patent research and has qualified by ISO9001:2000 quality management system and is one of the earliest domestic companies that use silicon rubber as composite external insulation in products.

 

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