Medium Voltage Heat Shrinkable Termination& Straight Joint Accessories
product detail
Medium Voltage Heat Shrinkable Termination& Straight Joint Accessories
Medium Voltage Heat Shrinkable Termination Accessories
Heat shrinkable termination& straight joint accessories are suitable for up to 11/20/35kV, insulated with PVC,XLPE and PE polymeric cables.
Feature
1.Reliable stress control
2.Large cross-section range
3.Excellent corrosion resistance
4.UV resistance and weathering resistance
5.Anti-tracking
6.Superior electrical and mechanical properties
7.Easy installation
Performance of 11KV
Test |
Requirement |
Power frequency withstand voltage 1min |
45kV,No flashover, no breakdown |
Partial discharge |
≤10PC at 13kV |
Heating cycles in air |
22kV.Heating cycle at least 8h, 95℃-100℃ at least 2h, natural cooling at least 3h, total 60 heating cycles |
Impluse voltage (peak) |
105kV，No flashover, no breakdown |
Negative DC voltage 15 min |
52kV, No flashover, no breakdown |
Power frequency withstand voltage 4h |
35kV, No flashover, no breakdown |
Performance of 20KV
Test |
Requirement |
Power frequency withstand voltage 1min |
75kV,No flashover, no breakdown |
Partial discharge |
≤10PC at 27kV |
Heating cycles in air |
45kV.Heating cycle at least 8h, 95℃-100℃ at least 2h, natural cooling at least 3h, total 60 heating cycles |
Impluse voltage (peak) |
170kV，No flashover, no breakdown |
Negative DC voltage 15 min |
108kV, No flashover, no breakdown |
Power frequency withstand voltage 4h |
72kV, No flashover, no breakdown |
Performance of 35KV
Test |
Requirement |
Indoor moisture |
32.5kV,300h,No flashover, no breakdown |
Outdoor salt fog |
32.5kV,1000h,No flashover, no breakdown |
Partial discharge |
≤10PC at 45kV |
Heating cycles in air |
65kV.Heating cycle at least 8h, 95℃-100℃ at least 2h, natural cooling at least 3h, total 60 heating cycles |
AC voltage withstand 1min |
104kV, No flashover, no breakdown |
DC voltage withstand 15min |
104kV, No flashover, no breakdown |
AC voltage withstand 5min |
117kV, No flashover, no breakdown |
Impluse voltage (peak) |
200kV，No flashover, no breakdown |