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

In this paper the arc modes transition of the AMF electrode with one-turn coil structure is investigated at gap distance 10mm and 40mm respectively. And the axial magnetic field distribution is computed at 10mm and 40mm. High-speed video recording was used as a major diagnostics to investigate the a...

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Published in2006 International Symposium on Discharges and Electrical Insulation in Vacuum Vol. 1; pp. 185 - 188
Main Authors Cheng Shaoyong, Xiu Shixin, Wang Jimei, Shen Zhengchao
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.2006
Subjects
Circuit testing
Coils
Dielectrics and electrical insulation
Electrodes
Frequency
Interrupters
Magnetic fields
Optical recording
Vacuum arcs
Voltage
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Summary:In this paper the arc modes transition of the AMF electrode with one-turn coil structure is investigated at gap distance 10mm and 40mm respectively. And the axial magnetic field distribution is computed at 10mm and 40mm. High-speed video recording was used as a major diagnostics to investigate the arc behavior. At gap distance 10mm, the vacuum arc maintains diffuse arc mode. With the gap distance increasing from 10mm to 40mm, the vacuum arc experience constricted arc modes only in short time at beginning. In most of time, the vacuum arc keeps in diffuse arc mode. The test results prove that the AMF electrode with one-turn coil structure is feasible to be applied in high voltage interrupter
ISBN:1424401917
9781424401918
ISSN:1093-2941
DOI:10.1109/DEIV.2006.357263