Design of H Robust Control for Shunt Active Power Filter Based on the Mixed Sensitivity Method

Author:

Jia Chen Xi1,Wang Chong Lin1,Huang Qian1

Affiliation:

1. China University of Mining and Technology

Abstract

To aim at the characteristic of APF subject to external interference and at model uncertainty,a robust controller has been designed for the active power filter model based on the mixed sensitivity method, which is derived from control theory. We carried out several studies which have demonstrated that the controller is independent on the plant mode and the effect from the system uncertainty and disturbance can be greatly eliminated by the controller ,And thus can ensure both the internal stability and the robustness of the system. The digital simulation can prove the performance of the controller by MATLAB.

Publisher

Trans Tech Publications, Ltd.

Reference9 articles.

1. Akagi H, New trends in active filter for power conditioning, IEEE Trans. Industry Applications, vol. 32, pp.1312-1322, November. (1996).

2. Singh B, Al-Haddad K, Chandra A, A review of active filters for power quality improvement, IEEE Trans. Industry Applications, vol. 46, pp.960-971, October. (1996).

3. C. Dewez, New complex Frame to Model and Control an Active Filter, Proceedings of the 2005 American Control Conference, vol. 4, pp.733-738, June (2005).

4. Zeng Jiang, Jiao Lianwei, Ni Yixin, A New Current Control Method for Active Power Filters with Constant Switch Frequency, Power System Technology, vol. 24, pp.1-8, June. (2002).

5. Tong Mei, Xiang Ji, Variable Structure Control for a Hybrid Power Filter, Transactions of China Electrotechnical Society, vol. 17, pp.59-63, January. (2002).

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