XLPE Insulated Dust Filter Power Cable for Rated Voltage DC75kv
Specifications
dust filter power cable:1.good quality
fessional manufacturer
.specification
Performance item |
Unit |
requirement |
DC resistance of conductor |
Ω/km |
The value conversed into 1km length at 20°C should be less than or equal to the regulations specified in GB/T3956 |
Partial discharge test |
pc |
Under the condition of AC35KV, the local discharge amount should not be more than 10pC. |
Voltage test |
kv |
Withstand the test of AC 73.5kV for 5min, without breakdown of insulation |
Test for thermal extension |
|
|
Conditions for treatment |
|
|
Air temperature(±3°C) |
°C |
200 |
Loading time |
Min |
15 |
Mechanical stress |
N/cm |
20 |
Max. elongation when loading |
% |
175 |
Longest & permanent elongation after cooling |
% |
15 |
The test of AC for 4h |
kv |
Withstand the test of voltage 84kv for 4h, without breakdown of insulation |
2.reference
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