·Introduction:
Light high-voltage test transformer series are testing the insulating ability of various high-voltage electric equipments, electrial units and insulating materials in the enviroment of power-frequency or DC high voltage.
·Technical parameter:
Power supply: 380V±10% biphase 50HZ;
220V±10% single-phase 50HZ;
Rated capacity: 2~500KVA;
Single rated output voltage: (AC) 50, 100, 150, 200, 300KV;
(DC) 70, 140, 210 KV;
Transformation ratio: 500/1, 1000/1, 1500/1, 2000/1, 3000/1;
Transformation ratio error: ≤1%;
Inpedance voltage: ≤12%;
Evironment condition: Temperature: -5℃~40℃;
Humidity: ≤90%RH;
Altitude: ≤1000m;
Partial discharge of PD-free test transformer: <3PC. |