Control of hybrid wind power generation system with dump load using advanced fuzzy-robust controller

TitleControl of hybrid wind power generation system with dump load using advanced fuzzy-robust controller
Publication TypeConference Paper
Year of Publication2007
AuthorsKo, H. - S., G. - G. Yoon, W. - P. Hong, and J. Jatskevich
Conference Name2007 INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS, VOLS 1-4
Pagination1449-1456
PublisherIEEE
Conference Location345 E 47TH ST, NEW YORK, NY 10017 USA
ISBN Number978-89-86510-08-9
Keywordsdump load, sliding mode control, Takagi-Sugeno fuzzy model, wind power generation
Abstract

This paper proposes a modeling and controller design approach for a hybrid wind power generation system that considers a fixed wind-turbine and a dump load. Since operating conditions are kept changing, it is challenge to design a control for reliable operation of the overall system. To consider variable operating conditions, Takagi-Sugeno (TS) fuzzy model is taken into account to represent time-varying system by expressing the local dynamics of a nonlinear system through sub-systems, partitioned by linguistic rules. Also, each fuzzy model has uncertainty. Thus, in this paper, a modern nonlinear control design technique, the sliding mode nonlinear control design, is utilized for robust control mechanism. In the simulation study, the proposed controller is compared with a proportional-integra (PI) controller. Simulation results show that the proposed controller is more effective against disturbances caused by wind speed and load variation than the PI controller, and thus it contributes to a better quality wind-hybrid power generation system.

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