Research on Vacuum Arc Characteristics of a New Electrode Structure Applied in High Voltage Vacuum Interrupter

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  • CHENG Shaoyong
    Department of Electrical Engineering Xi'an Jiaotong University
  • XIU Shixin
    Department of Electrical Engineering Xi'an Jiaotong University
  • WANG Jimei
    Department of Electrical Engineering Xi'an Jiaotong University
  • SHEN Zhengchao
    Department of Electrical Engineering Xi'an Jiaotong University

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  • Research on vacuum arc characteristics of a new e1ectrode structure applied in high voltage vacuum interrupter

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Abstract

  In this paper the vacuum arc behaviors of the axial magnetic field (AMF) electrode with single coil structure were investigated at gap distance 10 mm and 40 mm respectively. And the axial magnetic field distribution was computed at 10 mm and 40 mm. A high-speed charge couple device (CCD) video camera was used as a major diagnostics to investigate the arc behaviors. At gap distance 10 mm, the vacuum arc maintained diffuse. With the gap distance increasing from 10 mm to 40 mm, the vacuum arc experienced constricted arc modes only in short time at beginning. In most of time, the vacuum arc kept diffuse. The test results proved that the AMF electrode with single coil structure was feasible to be applied in high voltage vacuum interrupter.<br>

Journal

  • Shinku

    Shinku 50 (5), 341-344, 2007

    The Vacuum Society of Japan

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