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An efficient time-domain approach based on Prony's method for time-varying power system harmonics estimation

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2 Author(s)
C. I Chen ; Department of Electrical Engineering, National Chung Cheng University, Min-Hsiung, Chia-Yi 621 Taiwan, R.O.C ; G. W. Chang

In this paper an efficient time-domain technique based on Prony's method for the time-varying power system harmonics estimation is proposed. Though the high frequency resolution is the major advantage of Prony's method, the great computational burden with the high estimation order usually makes it only suitable for the off-line analysis. To achieve the fast harmonic measurement, a filter-bank structure is proposed to reduce the computational complexity. Finally, the measurement results are reported to verify the performance of the proposed technique.

Published in:

2009 IEEE Power & Energy Society General Meeting

Date of Conference:

26-30 July 2009