| Application: | High-voltage |
|---|---|
| Material: | Toughened Glass |
| Structure: | Suspension Insulator |
|
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Some parameters
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|||||
|
Diameter D(mm)
|
255
|
255
|
255
|
255
|
255
|
|
Spacing H(mm)
|
140
|
146
|
127
|
146
|
127
|
|
Creepage distance L(mm)
|
320
|
320
|
320
|
320
|
320
|
|
Socket coupling(mm)
|
16
|
16
|
16
|
16
|
16
|
|
Mechanical failing load (mm)
|
70
|
70
|
70
|
100
|
100
|
|
Mechanical routine test (kN)
|
35
|
35
|
35
|
50
|
50
|
|
Wet power frequency withstand voltage (kV)
|
40
|
40
|
40
|
40
|
40
|
|
Dry lightning impulse withstand voltage(kV)
|
100
|
100
|
100
|
100
|
100
|
|
Impulse puncture voltage (P.U)
|
2.8
|
2.8
|
2.8
|
2.8
|
2.8
|
|
Power frequency puncture voltage(kV)
|
130
|
130
|
130
|
130
|
130
|
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Radio influence voltage (μV)
|
50
|
50
|
50
|
50
|
50
|
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Corona visual test(kV)
|
18/22
|
18/22
|
18/22
|
18/22
|
18/22
|
|
Power frequency electric arc voltage
|
0.12s/20kA
|
0.12s/20kA
|
0.12s/20kA
|
0.12s/20kA
|
0.12s/20kA
|
|
Net weight per unit(kg)
|
3.6
|
3.6
|
3.6
|
3.6
|
3.6
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