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http://dx.doi.org/10.7836/kses.2012.32.5.001

Power Quality Control of Wind/Diesel Hybrid Power Systems Using Fuzzy PI Controller  

Yang, Su-Hyung (Multidisciplinary Graduate School Program for Wind Energy, Jeju National University)
Ko, Jung-Min (Multidisciplinary Graduate School Program for Wind Energy, Jeju National University)
Boo, Chang-Jin (Department of Electrical Engineering, Juju National University)
Kang, Min-Jae (Department of Electronic Engineering, Jeju National University)
Kim, Jeong-Uk (Department of Energy Grid, Sangmyung University)
Kim, Ho-Chan (Department of Electrical Engineering, Juju National University)
Publication Information
Journal of the Korean Solar Energy Society / v.32, no.5, 2012 , pp. 1-10 More about this Journal
Abstract
This paper proposes a modeling and controller design approach for a wind-diesel hybrid system including dump load. Wind turbine depends on nature such as wind speed. It causes power fluctuations of wind turbine. Excessive power fluctuation at stand-alone power grid is even worse than large-scale power grid. The proposed control scheme for power quality is fuzzy PI controller. This controller has advantages of PI and fuzzy controller. The proposed model is carried out by using Matlab/Simulink simulation program. In the simulation study, the proposed controller is compared with a conventional 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-diesel hybrid power system.
Keywords
Wind-diesel hybrid system; Fuzzy controller; PI controller; power quality;
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Times Cited By KSCI : 3  (Citation Analysis)
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