Power quality control of hybrid wind power generation with battery storage using fuzzy-LQR controller

TitlePower quality control of hybrid wind power generation with battery storage using fuzzy-LQR controller
Publication TypeConference Paper
Year of Publication2004
AuthorsKo, H. S., T. Niimura, J. Jatskevich, H. C. Kim, and K. Y. Lee
Conference NamePower Engineering Society General Meeting, 2004. IEEE
Pagination1721 -1727 Vol.2
Date Publishedjun.
Keywordsbattery storage, control design, converter, fuzzy control, hybrid power systems, linear quadratic control, linear quadratic regulator, load variation, nonlinear control systems, nonlinear dynamic system, PI control, PI controller, power convertors, power generation control, power supply quality, proportional-integral controller, secondary cells, Takagi-Sugeno fuzzy model, wind power plants, wind speed, wind-hybrid power system
Abstract

This work presents a modeling and control design for a wind-hybrid power system with a battery storage. The proposed control scheme is based on the Takagi-Sugeno fuzzy model and the linear quadratic regulator. The Takagi-Sugeno fuzzy model expresses the local dynamics of a nonlinear system through subsystems partitioned by linguistic rules. The controllers for each subsystem are designed by the linear quadratic regulator. In the simulation study, the proposed controller is compared with the proportional-integral (PI) controller. The simulation results show that the proposed controller is more effective than the PI controller against disturbances caused by wind speed and load variation. Thus, better quality of the wind-hybrid power system is achieved.

URLhttp://dx.doi.org/10.1109/PES.2004.1373171
DOI10.1109/PES.2004.1373171

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