パーフルオロカーボン液中インパルス沿面放電の進展特性

書誌事項

タイトル別名
  • Propagation Characteristics of Impulse Creepage Discharge in Perfluorocarbon Liquid
  • パーフルオロカーボンエキ チュウ インパルスエンメン ホウデン ノ シンテン

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In this paper, the propagation characteristics of a creepage discharge on the surface of a solid insulator with a back electrode in perfluorocarbon liquid under an impulse voltage application are investigated. The propagation process is observed in detail by using a high-speed schlieren optical technique, and simultaneously waveforms of a current and a charge are also measured. Consequently, the polarity effect of the streamer propagation and the positive streamer which propagates stepwise can be seen. The latter is concurrent with the sparse current pulse which corresponds to the charge step-variation. These results are compared with ones obtained in transformer oil.

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