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252kV FRP Dry Porcelain Transformer Bushing
252kV FRP Dry Porcelain Transformer Bushing
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
|
100×100
|
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
|
100×100
|
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
|
Shandong Chinsun Electrical Equipment Co.,Ltd
Year Established:2010
Business Type:Manufacturer
Management Certifiation: ISO 9001:2008
Operational Address: West Rongfeng Road,Technology Industrial Park,Zibo
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