Voltage sag source location based on instantaneous energy detection

Zhe Chen, Dong Xinzhou, Kong Wei

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

8 Citations (Scopus)
156 Downloads (Pure)


Voltage sag is the major power quality problem, which could disrupt the operation of sensitive equipment. This paper presents the applications of instantaneous energy direction for voltage sag source detection. Simulations have been performed to provide the analysis for system with distributed generation units. The studies show that the presented method can effectively detect the location of the voltage sag source.
Original languageEnglish
Title of host publicationProceedings of International Power Engineering Conference 2007
Number of pages5
PublisherElectrical Engineering/Electronics, Computer, Communications and Information Technology Association
Publication date2007
Publication statusPublished - 2007
EventInternational Power Engineering Conference - IPEC 2007 - Meritus Mandarin Singapore, Singapore
Duration: 3 Dec 20076 Dec 2007
Conference number: 8


ConferenceInternational Power Engineering Conference - IPEC 2007
CityMeritus Mandarin Singapore


  • Voltage sag
  • Instantaneous energy direction
  • Hilbert transform
  • Voltage sag source detection
  • Distributed generation units

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