... whole test set consists of variable frequency power source, excitation transformer, 4 pieces of inductors, and high voltage detector(capacitive voltage divider). Serial & parallel connections ... Transformer, 60kVA/6kV/12kV/24KV, oil immersed,1 piece, about 350Kg√ Variable Frequency Power Supply, 60kW/380V,1 piece, about 150Kg√ High Voltage Inductor,320KVA ...