Successfully developed tank capacitor voltage transformer

Independently designed and developed by the State Grid Electric Power Research Institute, the tank structure UHV capacitive voltage transformer used in the 1000kV Anhui-East Power Transmission Project successfully passed the type test.

　　The tank structure UHV capacitor voltage transformer developed by the State Grid Electric Power Research Institute. The short-time power frequency withstand voltage reaches 1100kV/5min, the lightning impulse withstand voltage reaches 2400kV, the operating impulse withstand voltage reaches 1800kV, and the secondary winding accuracy level reaches 0.2/0.5/0.5(3P)/3P.