Signal processing-based direction finder for transient capacitor switching disturbances

Yong June Shin, Edward J. Powers, Mack Grady, Ari Arapostathis

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

This paper develops a signal processing, time-frequency analysis-based analytic solution to locate transient capacitor switching disturbances. The flow of transient disturbance energy caused by the capacitor switching is determined by the time and frequency localized phase difference. Cross time-frequency analysis provides time- and frequency-localized phase difference between the transient voltage and current disturbance waveforms which determine the direction of transient disturbance energy flow. The time and frequency localization properties of the proposed scheme allows one to expand the application to complicated power distribution systems without knowledge of system parameters, capacitor size, and configuration. The proposed scheme has been verified by the Electromagnetic Transients Program simulation for all possible spatial locations of the capacitor switching.

Original languageEnglish
Pages (from-to)2555-2562
Number of pages8
JournalIEEE Transactions on Power Delivery
Volume23
Issue number4
DOIs
Publication statusPublished - 2008 Oct 22

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Signal processing
Capacitors
Electric potential

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

Shin, Yong June ; Powers, Edward J. ; Grady, Mack ; Arapostathis, Ari. / Signal processing-based direction finder for transient capacitor switching disturbances. In: IEEE Transactions on Power Delivery. 2008 ; Vol. 23, No. 4. pp. 2555-2562.
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Signal processing-based direction finder for transient capacitor switching disturbances. / Shin, Yong June; Powers, Edward J.; Grady, Mack; Arapostathis, Ari.

In: IEEE Transactions on Power Delivery, Vol. 23, No. 4, 22.10.2008, p. 2555-2562.

Research output: Contribution to journalArticle

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