Discharge characteristic of nanosecond-pulse DBD in atmospheric air using magnetic compression pulsed power generator |
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Authors: | Tao Shao Cheng ZhangYang Yu Zheng NiuHui Jiang Jiayu XuWenfeng Li Ping Yan Yuanxiang Zhou |
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Affiliation: | a Institute of Electrical Engineering, Chinese Academy of Sciences, PO Box 2703, Beijing 100190, China b Key Laboratory of Power Electronics and Electric Drive, Chinese Academy of Sciences, Beijing 100190, China c State Key Laboratory of Control and Simulation of Power Systems and Generating Equipment, Electrical Engineering Department, Tsinghua University, Beijing 100084, China |
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Abstract: | Dielectric barrier discharge driven by repetitive nanosecond pulses can offer highly efficient non-thermal plasma at atmospheric pressure and is widely used for plasma applications. In this paper, the discharge is generated using a compact pulsed power generator based on one-stage magnetic compression. The output pulse can be up to 30 kV with a rise time of about 40 ns and a full width at half maximum of 70 ns. The electrical characteristics of the discharge parameters are studied by the measurement of voltage and current waveforms. The effects of applied voltage amplitude, voltage polarity, pulse repetition frequency, and barrier dielectric on discharge characteristics are investigated, respectively. The experimental results show that the discharge current, discharge power and electron density increase with the increase of the applied voltage, and the pulse repetition frequency has a slight effect on the electrical parameters. Moreover, the discharge current is influenced by the dielectric barrier, but it is not varied with the polarity of applied pulses. |
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Keywords: | Non-thermal plasma Dielectric barrier discharge Pulsed power Magnetic compression Nanosecond pulse Pulse repetition frequency Atmospheric pressure air Discharge current |
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