On-line fault locating method for wide area back-up protection

Xinfeng Zhang, Feipeng Lü, Yunyong Zhang, Fengqiang Deng, Xiangliang Zhang

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Based on voltage distribution and discriminant analysis, a novel algorithm is proposed in this paper. The fault voltage is used for the first location at the first. Then the real-time information of current and voltage provided by the wide area measurement system could be used for the second precise location according to the algorithm of Mahalanobis distance analysis. Through a case analysis, the speediness and validity is illustrated and it is suitable for on-line locating. © 2012 IEEE.
Original languageEnglish (US)
Title of host publicationAsia-Pacific Power and Energy Engineering Conference, APPEEC
StatePublished - Dec 10 2012
Externally publishedYes

Bibliographical note

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