Studies on an AV/DC Combination Discharge Mode for NOx Treatment

カテゴリ: 全国大会

論文No: 1-067

グループ名: 【全国大会】平成14年電気学会全国大会論文集

発行日: 2002/03/26

タイトル(英語): Studies on an AV/DC Combination Discharge Mode for NOx Treatment

著者名: 関鵬輝 (佐賀大学),林 信哉(佐賀大学),猪原哲 (佐賀大学),佐藤三郎 (佐賀大学),山部 長兵衛(佐賀大学)

著者名(英語): Penghui Guan(Saga University),Nobuya Hayashi(Saga University),Satoshi Ihara(Saga University),Saburoh Satoh(Saga University),Chobei Yamabe(Saga University)

要約(日本語): A simplified AC/DC combination discharge mode for investigation of NOx treatment was carried out in this paper. The electrical characteristic of AC/DC combination discharge was studied. A barrier discharge was used under AC voltage supply (60Hz), and then the AC voltage was transferred into DC voltage by a diode bridge for a positive streamer corona discharge. The barrier discharge was expected to limit the total discharge current. In such system, the sample gas (NO [500ppm]/N2) would be treated by barrier and then streamer discharge. As a result, both the uniform barrier discharge and streamer discharge occurred. By electrical measurement, a DC voltage peaks with frequency of 3kHz whose dV/dt was 0.44kV/ns was observed. Such voltage peaks were regarded as effective to maintain a uniform streamer corona discharge. To solve the problem of voltage drop after barrier discharge, a two stages Deltatron-Greinacher circuit was used for voltage conversion instead of diode bridge in another experiment. By such circuit the DC output was increased up to two times of AC input voltage, when AC applied voltage was 8.82kV, a high DC output voltage of 16.5kV was applied on the streamer discharge reactor. The experimental result shows this AC/DC combination discharge mode carried a stable discharge mode with a very compact device.

原稿種別: 日本語

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