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In order to improve the efficiency of the sliding arc plasma exciter, we set up an experimental system to study the performance of the sliding arc exciter, analyzed the difference between the sliding arc breakdown accompanied by the sliding discharge mode and the stable sliding discharge mode, and designed the experimental conditions for the three variables of the exciter, namely, the electrode length, electrode clamping angle and electrode material, and determined the most important influencing factors of the exciter configuration through the spectral characteristics of the plasma of the sliding arc as well as the image characteristics. The main influencing factors in the exciter configuration were determined by sliding arc plasma spectroscopy and image characteristics. The results show that the sustaining voltage and the zero rest time in the breakdown-accompanied sliding discharge mode are lower than those in the stable sliding discharge mode; in the exciter structure, the electrode angle has the greatest influence on the electron temperature, followed by the electrode length, and the electrode material has a smaller influence; the plasma area is most affected by the electrode angle, followed by the electrode length, and the electrode material has a smaller influence.

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Study of the Effect of Exciter Structure on the Performance of Sliding Arc Plasma

  • 会议论文

  • 发表日期：

    2025年

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  • Yongjian Ning,
  • Tiantian Zhang,
  • Ruilei Yang,
  • Yue Lin,
  • Xueke Che

摘要

In order to improve the efficiency of the sliding arc plasma exciter, we set up an experimental system to study the performance of the sliding arc exciter, analyzed the difference between the sliding arc breakdown accompanied by the sliding discharge mode and the stable sliding discharge mode, and designed the experimental conditions for the three variables of the exciter, namely, the electrode length, electrode clamping angle and electrode material, and determined the most important influencing factors of the exciter configuration through the spectral characteristics of the plasma of the sliding arc as well as the image characteristics. The main influencing factors in the exciter configuration were determined by sliding arc plasma spectroscopy and image characteristics. The results show that the sustaining voltage and the zero rest time in the breakdown-accompanied sliding discharge mode are lower than those in the stable sliding discharge mode; in the exciter structure, the electrode angle has the greatest influence on the electron temperature, followed by the electrode length, and the electrode material has a smaller influence; the plasma area is most affected by the electrode angle, followed by the electrode length, and the electrode material has a smaller influence.