Novel fault isolation scheme under protection failure in MVDC distribution networks without DC circuit breakers

Wenxuan Lv,Tao Zheng,Yi Yang,Rui Li,Shiqi Sun

International Journal of Electrical Power & Energy Systems（2023）

引用 2|浏览2

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摘要

•Fault control is proposed for fault location and small current disconnection.•Trapezoidal wave current is injected for fault isolation without communication.•Backup function is realized by counting the number of injecting current.

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关键词

Active control of fault currents,Isolation scheme,Protection failure,Medium voltage DC (MVDC) distribution networks,DC switches (DCSs)

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