NDLI: A Novel Software Tool For Power Quality Diagnosis

Content Provider	IEEE Xplore Digital Library
Author	Hamzah, N. Zakaria, Z. Mohamed, A. Hussain, A.
Copyright Year	2008
Description	Author affiliation: Fac. of Electr. Eng., Univ. Teknol. MARA, Shah Alam (Hamzah, N.; Zakaria, Z.)
Abstract	This paper focuses on a novel automatic software tool to locate three major power quality disturbances, i.e. voltage sag, transient and harmonic. The software tool developed is to locate the source of these disturbances relative to a monitoring point. The methods employed in the software only require the current and voltage data. For locating the source of voltage sag, the product of the RMS current and the power factor angle at the monitoring point is employed and the complex wavelet-based energy is employed for locating the source of transients. A new method to determine the source of harmonic at the point of common coupling as to whether it is from the upstream or downstream is based on the harmonic Thevenin circuit. The proposed methods are written in MATLAB V. 7 and graphic user interface software is developed to automate the new methods. This new software has been tested using both real and simulation data and it is very fast, simple and accurate to locate the power quality disturbances.
Starting Page	625
Ending Page	630
File Size	1403165
Page Count	6
File Format	PDF
ISBN	9780769532424
DOI	10.1109/CIT.2008.Workshops.18
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-07-08
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Graphics Reactive power Voltage fluctuations Power quality Coupling circuits Power system harmonics User interfaces Software tools MATLAB Monitoring
Content Type	Text
Resource Type	Article

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