Variable speed DFIG wind energy system for power generation and harmonic current mitigation

A. Gaillard, P. Poure, S. Saadate and M. Machmoum

Renewable Energy, 2009, vol. 34, issue 6, 1545-1553

Abstract: This paper presents a novel approach for simultaneous power generation and harmonic current mitigation using variable speed WECS with DFIG. A new control strategy is proposed to upgrade the DFIG control to achieve simultaneously a green active and reactive power source with active filtering capability. To ensure high filtering performance, we studied an improved harmonic isolator in the time-domain, based on a new high selectivity filter developed in our laboratory. We examined two solutions for harmonic current mitigation: first, by compensating the whole harmonic component of the grid currents or second, by selective isolation of the predominant harmonic currents to ensure active filtering of the 5th and 7th harmonics. Simulation results for a 3MW WECS with DFIG confirm the effectiveness and the performance of the two proposed approaches.

Keywords: Active filter; Harmonics; Doubly fed induction generator; Wind energy conversion system; Wind power generation; Power quality (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (12)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:34:y:2009:i:6:p:1545-1553

DOI: 10.1016/j.renene.2008.11.002

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