Study on impulse quenching based multichamber arc quenching structure

In order to reduce the lightning trip-out rate of grid power lines, a kind of impulse quenching based multichamber arc quenching structure (IQBMAS) is developed by the authors. This kind of MAS can attract the lightning impulse arc into its arc quenching channel and truncate the impulse arc into mul...

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Veröffentlicht in:AIP advances 2019-08, Vol.9 (8), p.085104-085104-7
Hauptverfasser: Li, Zijian, Wang, Jufeng, Zhou, Xin, Huang, Shangshi, Xia, Zhijian
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Sprache:eng
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Zusammenfassung:In order to reduce the lightning trip-out rate of grid power lines, a kind of impulse quenching based multichamber arc quenching structure (IQBMAS) is developed by the authors. This kind of MAS can attract the lightning impulse arc into its arc quenching channel and truncate the impulse arc into multiple parts rapidly. In this case, the impulse arc will not develop into steady power frequency current, so the lightning trip-out can be avoided. In this paper, simulations and experiments are conducted to verify the arc-quenching effect of IQBMAS on the basis of expounding the operating principle of IQBMAS, establishing the arc model in the channel as well as deriving the relevant numerical equations. The test result shows that IQBMAS can extinguish the power frequency arc of 10 kV lines within 1.5 ms with no reignition.
ISSN:2158-3226
2158-3226
DOI:10.1063/1.5113853