Analysis of Arc Temperature as a Function of Opening Electrodes Timing

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  • Suzuki Yuki
    Electrical Engineering and Chemistry, Graduate School of Integrative Science and Engineering, Tokyo City University
  • Fuse Wataru
    Electrical Engineering and Chemistry, Graduate School of Integrative Science and Engineering, Tokyo City University
  • Morishita Honoka
    Electrical Engineering and Chemistry, Graduate School of Integrative Science and Engineering, Tokyo City University
  • Takagi Masahiro
    Electrical Engineering and Chemistry, Graduate School of Integrative Science and Engineering, Tokyo City University
  • Ren Zhenwei
    Electrical Engineering and Chemistry, Graduate School of Integrative Science and Engineering, Tokyo City University
  • Nemoto Yusuke
    Electrical Engineering and Chemistry, Graduate School of Integrative Science and Engineering, Tokyo City University
  • Iwao Toru
    Department of Electrical, Electronic and Communication Engineering, Faculty of Science and Engineering, Tokyo City University

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  • 開極タイミング変化時におけるアーク温度の解析

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<p>The gas circuit breakers have the problem of re-ignition after current zero. The instantaneous voltage drop causes enormous damage in the case of current interruption failure. Therefore, it is the responsibility of circuit breaker to interrupt the current quickly and reliably. Efficient cooling of the arc temperature is important in order to prevent the re-ignition caused by the transient recovery voltage. In this paper, the arc temperature as a function of opening electrodes timing was analyzed. As a result, the three-dimensional transition of arc temperature to current zero for each current interruption timing at each sine wave time was obtained. In addition, the opening electrodes timing that decreases the arc conductance at current zero was elucidated.</p>

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