A novel current amplitude differential protection for active distribution network considering the source-effect of IM-type unmeasurable load branches

Xiangning Lin,Xiao Ma,Zixuan Wang,Quan Sui,Zhengtian Li,Yuqing Ye,Yuqi Wu,Shankang Cao,Guangyuan Wang

International Journal of Electrical Power & Energy Systems（2021）

引用 8|浏览5

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摘要

•Establish the positive-sequence equivalent model of IM during fault occurrence.•Reveal the variation law of current amplitude difference between both terminals.•Design the adaptive operation characteristic curve.

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关键词

Active distribution network,Unmeasurable load branch,Induction motor,Current amplitude differential protection,Active operation characteristic curve

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