... GIS. The whole test set consists of variable frequency power source, excitation transformer, 4 pieces of ... of inductor are serial24kV700kV596kV 2.Product Features:√ Variable frequency resonance type√ Test both cable and GIS ... , oil immersed,1 piece, about 350Kg√ Variable Frequency Power Supply, 60kW/380V,1 piece, about 150Kg ... than 600KV. XZF1600KVA/640kV Variable frequency resonance test system