NDLI: A harmonic measurement mode based on partial least-squares regression method

Content Provider	IEEE Xplore Digital Library
Author	Zhang Yunyan Cai Wei Deng Chun Xu Yonghai Gao Lin
Copyright Year	2008
Description	Author affiliation: North China Electr. Power Res. Inst., Beijing (Cai Wei; Deng Chun) \|\| Sch. of Electr. & Electron. Eng., North China Electr. Power Univ., Beijing (Zhang Yunyan; Xu Yonghai; Gao Lin)
Abstract	Due to the harmonic caused by the nonlinear load, the error of electric power measurement still exist in power system at present. To settle the problem, a new kind of measurement mode based on partial least-squares regression method is presented in this paper. The model of electric system and the model of harmonic meter have been completed by MATLAB. Utilizing the signals of harmonic voltage and harmonic current measured synchronously at PCC, regression coefficients are worked out through partial least-squares algorithm. After that, the supply harmonic impedance is gained, consequently the harmonic voltage source of system and the harmonic current source of the load can be calculated correctly. So the harmonic meter can measure the direction and amplitude exactly. The new model can distinguish harmonic power which comes from the linear load, nonlinear load and system. The irrational problem of measurement model has been solved. The simulation analysis and the analytic result of practical engineering road-testing data indicate that the proposed method is valid and feasible.
Starting Page	1
Ending Page	5
File Size	869362
Page Count	5
File Format	PDF
ISBN	9781424428946
DOI	10.1109/EPC.2008.4763384
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-06
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power system harmonics Power system modeling MATLAB harmonic impedance electric energy measurement Power system measurements Power measurement Current measurement Electric variables measurement Voltage Mathematical model Impedance PLSR (partial least-squares regression)
Content Type	Text
Resource Type	Article

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