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A Design Fuzzy Logic Controller for a Permanent Magnet Wind Generator to Enhance the Dynamic Stability of Wind Farms
Kitami Institute of Technology, 165 Koen-Cho Kitami, Hokkaido 090-8507, Japan
The Petroleum Institute, P.O. Box 2533, Abu Dhabi, UAE
* Author to whom correspondence should be addressed.
Received: 21 August 2012; in revised form: 29 October 2012 / Accepted: 9 November 2012 / Published: 22 November 2012
Abstract: In this paper, a design fuzzy logic controller for a variable speed permanent magnet wind generator connected to a grid system through a LC-filter is proposed. A new current control method of grid side conversion is developed by integrating the fuzzy controller, in which both active and reactive power, delivered to a power grid system, is controlled effectively. The fuzzy logic controller is designed to adjust the gain parameters of the PI controllers under any operating conditions, so that the dynamic stability is enhanced. A new simple method, based on frequency response of the bode diagram, is proposed in the design of the fuzzy logic controller. To evaluate the controller system capabilities, simulation analyses are performed on a small wind farm model system including an induction wind generator connected to an infinite bus. The simulations have been performed using PSCAD/EMTDC. Simulation results show that the proposed control scheme is more effective for enhancing the stability of wind farms during temporary and permanent network disturbances and randomly fluctuating wind speed, compared with that of a conventional PI controller.
Keywords: wind farm; fuzzy logic control; permanent magnet synchronous generator; AC/DC/AC converter; LC filter; dynamic stability
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Cite This Article
MDPI and ACS Style
Rosyadi, M.; Muyeen, S.M.; Takahashi, R.; Tamura, J. A Design Fuzzy Logic Controller for a Permanent Magnet Wind Generator to Enhance the Dynamic Stability of Wind Farms. Appl. Sci. 2012, 2, 780-800.
Rosyadi M, Muyeen SM, Takahashi R, Tamura J. A Design Fuzzy Logic Controller for a Permanent Magnet Wind Generator to Enhance the Dynamic Stability of Wind Farms. Applied Sciences. 2012; 2(4):780-800.
Rosyadi, Marwan; Muyeen, S. M.; Takahashi, Rion; Tamura, Junji. 2012. "A Design Fuzzy Logic Controller for a Permanent Magnet Wind Generator to Enhance the Dynamic Stability of Wind Farms." Appl. Sci. 2, no. 4: 780-800.