水中ストリーマ状放電プラズマ生成のための高繰り返し小型磁気パルス圧縮回路開発

概要

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Pulsed power technology enables production of non-thermal plasmas with a large volume in gases by generating a high electric field at the tip of streamer discharge plasmas. Recently, all solid-state pulsed power generators which are operated with a high repetition rate, long lifetime and high reliability, have been developed aiming for industrial applications. Here, a new high-repetition-rate pulsed power generator for discharge plasmas in water is developed. The generator consists of semiconductor switches and saturable inductors. The semiconductor switches are thyristors in parallel and series circuits. An output peak voltage over 20kV is generated with a voltage rise time of 100ns, and streamer-like discharge plasmas in water are produced repetitively.
2010-06-01