Abstract:In order to make the VFTO simulation more accurate, the spark characteristic of disconnecting switch and modeling is studied. The experimental circuit of the 1100kV GIS is simulated, and according to various computing resistance formulas of spark channels, the spark generated by disconnecting switch operation is modeled. The simulated voltage waveforms of the load side are compared with the measurement results. The simulated VFTO is obtained when different disconnecting switch spark models are adopted, with lo… Show more
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