New dynamic filter based on least absolute value algorithm for on-line tracking of power system harmonics

Author

Soliman, S.A. ; Al-Kandari, A.M. ; El-Nagar, K. ; El-Hawary, M.E.

Author_Institution

Dept. of Electr. Eng., Fac. of Tech. Studies, Shuwaikh, Kuwait

Volume

142

Issue

1

fYear

1995

fDate

1/1/1995 12:00:00 AM

Firstpage

37

Lastpage

44

Abstract

The authors present the application of the technique of least absolute value (LAV) dynamic filtering to optimal tracking of power system harmonics. The proposed technique uses digitised samples of the voltage and current waveform at a power system bus, where a harmonics standard is contemplated. The proposed technique can easily handle time-varying harmonic parameters. Two models are developed and tested. In the first, the measurements matrix varies with time, with an identity transition matrix. In the second model, the state transition matrix is a function of the sampling rate and the number of harmonics chosen. The algorithm is tested using a simulated and actual recorded data set. A sample set of results is reported

Keywords

digital simulation; filtering theory; matrix algebra; power system analysis computing; power system harmonics; tracking filters; current waveform; dynamic filtering; harmonics standard; identity transition matrix; least absolute value algorithm; measurements matrix; on-line tracking; optimal tracking; power system bus; power system harmonics; recorded data set; sampling rate; simulated data set; software implementation; state transition matrix; time-varying harmonic parameters; voltage waveform;

fLanguage

English

Journal_Title

Generation, Transmission and Distribution, IEE Proceedings-

Publisher

iet

ISSN

1350-2360

Type

jour

DOI

10.1049/ip-gtd:19951587

Filename

342240