Applications of the windowed FFT to electric power quality assessment

G. T. Heydt, P. S. Fjeld, C. C. Liu, D. Pierce, L. Tu, G. Hensley

Research output: Contribution to journalArticle

218 Citations (Scopus)

Abstract

This paper discusses the application of the windowed fast Fourier transform to electric power quality assessment. The windowed FFT is a time windowed version of the discrete time Fourier transform. The window width may be adjusted and shifted to scan through large volumes of power quality data. Narrow window widths are used for detailed analyses, and wide window widths are used to move rapidly across archived power quality data measurements. The mathematics of the method are discussed and applications are illustrated.

Original languageEnglish (US)
Pages (from-to)1411-1416
Number of pages6
JournalIEEE Transactions on Power Delivery
Volume14
Issue number4
DOIs
StatePublished - Oct 1999

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Power quality
Fast Fourier transforms
Fourier transforms

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Applications of the windowed FFT to electric power quality assessment. / Heydt, G. T.; Fjeld, P. S.; Liu, C. C.; Pierce, D.; Tu, L.; Hensley, G.

In: IEEE Transactions on Power Delivery, Vol. 14, No. 4, 10.1999, p. 1411-1416.

Research output: Contribution to journalArticle

Heydt, G. T. ; Fjeld, P. S. ; Liu, C. C. ; Pierce, D. ; Tu, L. ; Hensley, G. / Applications of the windowed FFT to electric power quality assessment. In: IEEE Transactions on Power Delivery. 1999 ; Vol. 14, No. 4. pp. 1411-1416.
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