... . The whole test set consists of variable frequency power source, excitation transformer, 4 pieces of inductors, and high voltage detector(capacitive voltage divider ... , oil immersed,1 piece, about 350Kg√ Variable Frequency Power Supply, 60kW/380V,1 piece, about 150Kg√ High Voltage Inductor,320KVA/160KV,4 PCS ...