Estimation of system damping parameters using analytic wavelet transforms

Kyoen Hur, Surya Santoso

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

This paper presents an efficient methodology for estimating the damping of a power system in which multiple resonant frequency components exist. The proposed method was developed using the analytic wavelet transforms and requires only the intrinsic transient portion of the voltage waveform (i.e., the free response due to capacitor bank energizing). The method can estimate the damping ratios of the selected modes and is free from the unimodal restriction of the Hilbert damping analysis. Thus, the method can provide more accurate system modal information.

Original languageEnglish
Pages (from-to)1302-1309
Number of pages8
JournalIEEE Transactions on Power Delivery
Volume24
Issue number3
DOIs
Publication statusPublished - 2009 Jul 23

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Wavelet transforms
Damping
Natural frequencies
Capacitors
Electric potential

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Energy Engineering and Power Technology

Cite this

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Estimation of system damping parameters using analytic wavelet transforms. / Hur, Kyoen; Santoso, Surya.

In: IEEE Transactions on Power Delivery, Vol. 24, No. 3, 23.07.2009, p. 1302-1309.

Research output: Contribution to journalArticle

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AB - This paper presents an efficient methodology for estimating the damping of a power system in which multiple resonant frequency components exist. The proposed method was developed using the analytic wavelet transforms and requires only the intrinsic transient portion of the voltage waveform (i.e., the free response due to capacitor bank energizing). The method can estimate the damping ratios of the selected modes and is free from the unimodal restriction of the Hilbert damping analysis. Thus, the method can provide more accurate system modal information.

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