1Type / 0.6/1kVWLT
2Nominal voltage (kV) / 0.6/1
3Maximum permissible continuous operating voltage (kV) / 1.2
4Normal operating temperature (°C) / 90
5Short-circuit temperature (°C) / 250
6Transmission capacity / Same as cable
7Short-circuit capacity / Same as cable
No.Item / Parameter
5 min power-frequency withstand voltage test117 kV, no flashover, no breakdown
Partial discharge test at room temperatureat 15 kV, discharge magnitude not greater than 10 pC
Constant-voltage load-cycle voltage test (in air)65 kV, conductor heated to (95-100) °C, each cycle is 8 h (heating 5 h, cooling 3 h), total 60 cycles
Partial discharge test at high temperatureconductor heated to 95-100 °C, at 15 kV, discharge magnitude not greater than 10 pC
Constant-voltage load-cycle voltage test (in water)23 kV, conductor heated to (95-100) °C, each cycle is 8 h (heating 5 h, cooling 3 h), total 30 cycles.
Lightning impulse voltage test200 kV, 10 times each for positive and negative polarity, no flashover, no breakdown
15 min AC withstand voltage test65 kV, no flashover, no breakdown
Test itemStandard requirements
1 min wet power-frequency voltage test on outdoor termination104 kV, no flashover, no breakdown
Partial discharge testdischarge magnitude at 45 kV not greater than 10 pC