OVERVOLTAGE FROM GAS INSULATED SWITCHGEAR DISCONNECTOR

In this paper the bus charging current tests of GIS(Gas Insulated Switchgear) disconnector which specified by IEC61259 were introduced. A series of investigations and laboratory tests were performed. The Characteristics of the disconnector were get. The author has made a lot of simula-tions on the three test duties specified by IEC61259. At the end of the paper some useful results are summarized.