Abstract

The impulse voltage test for power equipment such as GIS is not performed in the field for the impulse voltage generator huge and difficult to operate. The oscillating impulse voltage that proposed by IEC60060-3 is a higher generation efficiency impulse waveform and suitable used in field. The oscillating lightning impulse voltage generator for a 110kV GIS field test is studied in this paper. The generator structure is described and the waveform parameter computer formula is derivate. Simulation and test shown the generator can produce impulse voltage that meet IEC60060-3 requirement.

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