Referenced Items are not available for this document.
A wavelet transform approach using a Morlet basis function is proposed to supervise power system disturbances in this paper. With the time-frequency localization characteristics embedded in wavelets, the time and frequency information of a waveform can be presented as a visualized scheme. Different from the fast Fourier transform, the wavelet transform approach is more efficient in monitoring various disturbances as time varies. The method has been tested on the detection of various simulated disturbances including voltage sag, voltage swell, momentary interruption and oscillatory transients and on the harmonic analysis of the arc furnace from the field test data. Testing results demonstrated the practicality and advantages of the proposed method for the applications
Published in:
Power Delivery, IEEE Transactions on
(Volume:14
,
Issue:
1
)
Date of Publication: Jan 1999
- Page(s):
- 235 - 243
- ISSN :
- 0885-8977
- INSPEC Accession Number:
- 6132517
- Digital Object Identifier :
- 10.1109/61.736728
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Jan 1999
- Sponsored by :
- IEEE Power & Energy Society
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