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A New Control Approach to Improve the Overall Performance of DFIG-based WECS

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Authors
Khamaira, Mahmoud Yousef
Abu-Siada, Ahmed
Islam, Syed
Masoum, Mohammad Sherkat
Date
2014
Type
Conference Paper

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Khamaira, M.Y. and Abu-Siada, A. and Islam, S. and Masoum, M.S. 2014. A New Control Approach to Improve the Overall Performance of DFIG-based WECS, in Australasian Universities Power Engineering Conference 2014, Sep 28 2014. Perth, Western Australia: IEEE.
Source Title
Australasian Universities Power Engineering Conference
Source Conference
Australasian Universities Power Engineering Conference 2014
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Department of Electrical and Computer Engineering
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Abstract

Doubly Fed Induction Generators (DFIGs) are currently extensively used in variable speed wind power plants due to their superior advantages that include reduced converter rating, low cost, reduced losses, easy implementation of power factor correction schemes, variable speed operation and four quadrants active and reactive power control capabilities. On the other hand, DFIG sensitivity to grid disturbances, especially for voltage sags represents the main disadvantage of the equipment. In this paper, a coil is proposed to be integrated within the DFIG converters to improve the overall performance of a DFIG-based wind energy conversion system (WECS). A proportional integral (PI) controller to control the charging and discharging of the coil is introduced. Simulation results reveal the effectiveness of the proposed topology in improving the overall performance of the WECS under study.