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

Description

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