Two-degree-of-freedom H∞ control design for harmonic current control of shunt active filters

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Publication Details

Author list: Boonto S., Lenwari W.

Publication year: 2012

Start page: 887

End page: 891

Number of pages: 5

ISBN: 9781467319430

ISSN: 1540-6008

eISSN: 1540-6008

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84873417659&doi=10.1109%2fICHQP.2012.6381220&partnerID=40&md5=263ccc03d090bfc21a3f983cfea5c0e7

Languages: English-Great Britain (EN-GB)

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Abstract

This paper presents a precise harmonic current control for shunt active filters (SAF) based on the robust control design. To ensure robust stability causing by system uncertainties and tracking performance, the robust control employing a two-degree-of-freedom H∞ control method is designed to accurately track harmonics generated by nonlinear loads in power system. The controller is synthesized by using mixed sensitivity loop shaping. The principle of the proposed control method and the design procedure are described. Robustness to parameter uncertainties can be achieved. The excellent control performance has been carried out by simulations. © 2012 IEEE.

Keywords

H∞, Harmonics, Shunt active filter