• 대한전기학회
Mobile QR Code QR CODE : The Transactions of the Korean Institute of Electrical Engineers
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Title Estimation of Harmonic Sources in a Power System using Recursive Least-Squares Technique
Authors 한종훈(Han, Jong-Hoon) ; 이계병(Lee, Key-Byung) ; 박창현(Park, Chang-Hyun) ; 장길수(Jang, Gil-Soo)
DOI https://doi.org/10.5370/KIEE.2011.60.9.1639
Page pp.1639-1645
ISSN 1975-8359
Keywords Harmonics ; Harmonic distortion ; Harmonic source ; Power quality
Abstract A technique to allocate responsibilities among the interested parties in electric power system with harmonic voltage distortion at the point of common coupling (PCC) has been presented. The recursive least-squares technique has been used to estimate the parameters of the Thevenin equivalent load model. The validity of the technique has been verified using a simulation which considered the voltage waveform distortion at the PCC between the utility and two industrial consumers. With the estimated data from the measured voltage and current waveform at the PCC, the individual contributions to the distortion of voltage waveform at an interested harmonic frequency have been calculated and could provide a flexible solution to identify the source of harmonic pollution in distribution systems.