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Power quality indices for transient disturbances
- Source :
- IEEE Transactions on Power Delivery. Jan, 2006, Vol. 21 Issue 1, p253, 9 p.
- Publication Year :
- 2006
-
Abstract
- For reasonable power quality assessment of transient disturbances in electric power systems, new transient power quality indices are developed based on a signal processing technique, time-frequency analysis. Based on the time-frequency distribution of a transient disturbance, a set of time-frequency based power quality indices are developed. In this paper, the instantaneous disturbance energy ratio, normalized instantaneous disturbance energy ratio, instantaneous frequency, and instantaneous K-factor are suggested for transient power quality assessment. Time-frequency based power quality indices allow one to quantify the effects of transient disturbances with high-resolution and accuracy. Index Terms--Instantaneous disturbance energy ratio, instantaneous frequency, instantaneous K-factor, normalized instantaneous disturbance energy ratio, power quality, power quality index, time-frequency analysis, transient disturbance.
Details
- Language :
- English
- ISSN :
- 08858977
- Volume :
- 21
- Issue :
- 1
- Database :
- Gale General OneFile
- Journal :
- IEEE Transactions on Power Delivery
- Publication Type :
- Academic Journal
- Accession number :
- edsgcl.140790091