1AC withstand voltage / 117 kV, 5 min, no breakdown, no flashover; 104 kV, 1 min, under rain, no breakdown, no flashover.
2Partial discharge / discharge magnitude not greater than 10 pC at 45 kV.
3Impulse voltage test (at conductor temperature 95-100°C) / 200 kV, 10 times each of positive and negative polarity, no breakdown, no flashover.
4Constant voltage load cycle test (in air) / 65 kV, conductor heated to (95-100)°C, each cycle is 8 h, with 5 h heating and 3 h cooling, 60 cycles in total.
5Partial discharge (at conductor temperature 95-100°C and ambient temperature) / discharge magnitude not greater than 10 pC at 45 kV.
6Short-circuit thermal stability (screen) / short-circuited twice under Isc of the cable screen, no visible damage.
7Short-circuit thermal stability (conductor) / short-circuited twice at the conductor θsc to which it is raised, no visible damage.
8Short-circuit dynamic stability / short-circuited once under Id, no visible damage.
9Impulse voltage test / 200 kV, 10 times each of positive and negative polarity, no breakdown, no flashover.
10AC withstand voltage / 65 kV, 15 min, no breakdown, no flashover.