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Author

Zheng-Bo Li

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2 papers indexed here

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Sep 2026

Effect of a magnetically blown arc on cumulative electrical erosion of contacts

Cumulative electrical erosion during repeated interruption is a key factor limiting the service lifetime of low-voltage direct current switching devices. In this work, the cumulative erosion behavior of air-switch contacts under magnetically blown arcs was investigated through experiments and numerical simulations. The...

Jing Li, Y. Wang, Wei Duan et al. · 0 citations
#diffusion models Open access Oct 2026

Effect of breaking speed on plasma distribution characteristics during the arc extinction process

During the tripping of a direct current (DC) vacuum circuit breaker, a plasma arc is generated between the contacts. Different tripping speeds alter the plasma diffusion space between the contacts, affecting the plasma’s longitudinal and axial diffusion rates. Under identical commutation gap conditions, tripping speed...

Chong-Yang Huang, Fei-Ran Zhang, S. Fu et al. · 0 citations

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