Arc images during small capacitive current interruption with HV air-break disconnectors

Y. Chai, P.A.A.F. Wouters, R.T.W.J. Hoppe, van, R.P.P. Smeets

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During small capacitive current interruption (up to 10A at a voltage up to 175kV) with an airbreak disconnector in a laboratory the arc is recorded using a high-speed camera. Based on recorded data, a general overview of the arc images in different situations and stages is presented. The arc image characteristics and its behaviour are studied. The results show: (i) the arc re-ignites each half cycle of current; (ii) its brightness strongly increases on re-ignition and (iii) is also influenced by the arc current. The residual ionization in the air gap after the arc extinction temporary affects the interruptions.
Original languageEnglish
Title of host publicationProceedings of the 18th International Conference on Gas Discharges and Their Applications, 5-9 September 2010, Greifswald Germany
Place of
Publication statusPublished - 2010


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