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Detection and Tracking of Time Varying Power System Frequencies and Harmonics using Subband Adaptive Filtering  

Sohn, Sang-Wook (충북대학 전기공학과)
Choi, Hun (동의대학 전자공학과)
Bae, Hyeon-Deok (충북대학교 전기전자컴퓨터 공학부)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.58, no.4, 2009 , pp. 679-687 More about this Journal
Abstract
In this paper, a subband filtering and adaptive prediction technique for analyzing harmonics in power systems is presented. In this method, the filter banks are designed to decompose odd and even order harmonics separately. The adaptive prediction has been employed reduce the transient and white noise effect in time varying harmonics detecting and tracking. The frequencies and amplitudes of the decomposed harmonics are estimated by recursive algorithm. To demonstrate the performances of the developed technique, computer simulations to the signal with the time-varying frequency and THD are carried out.
Keywords
Harmonic detection; Filter bank; Subband adaptive filtering;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 0
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