... &500KV GIS. The whole test set consists of variable frequency power source, excitation transformer, 4 pieces of inductors, and ... pieces of inductor are serial24kV700kV596kV 2.Product Features:√ Variable frequency resonance type√ Test both cable and GIS with different inductor ... Rated Voltage:160KV,320KV,640KV√ Rated Current:10A, 5A,2.5A√ Test Frequency: 30~300Hz√ Output Wave:Sine Wave√ Wave Aberration ...