An accurate solution procedure for calculation of voltage flicker components

Cheng I. Chen, Yeong Chin Chen, Yung Ruei Chang, Yih Der Lee

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

Voltage flicker is one of many serious power quality disturbances, which would deteriorate the stability and operation efficiency of a power system. Effective evaluation of flicker severity plays an important role in the monitoring and control of developing advanced metering infrastructure. Since the evaluation process for voltage flicker is complicated, some inaccurate intermediate results may give rise to the propagation of estimation errors. Therefore, an accurate solution procedure for the calculation of voltage flicker components is proposed in this paper. With the extraction technique for envelope signal and high-frequency resolution mechanism for flicker spectral analysis, the superior performance to achieve the instantaneous flicker severity evaluation can be obtained.

Original languageEnglish
Article number6544671
Pages (from-to)2370-2377
Number of pages8
JournalIEEE Transactions on Industrial Electronics
Volume61
Issue number5
DOIs
StatePublished - 2014

Keywords

  • Downsampling technique
  • extraction of voltage envelope
  • fundamental frequency deviation
  • harmonics and interharmonics
  • voltage flickers

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