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Dynamic Performance of a Single Machine Brushless DFIG during Wind Speed Variation

Journal: International Journal of Engineering Research (IJER) (Vol.4, No. 7)

Publication Date:

Authors : ; ; ;

Page : 378-383

Keywords : Single Machine Brushless Doubly-Fed Induction Generator "SM-BDFIG"; 3-phase bridge rectifier; super-synchronous operation; Battery charge; and DC link.;

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In this paper, the dynamic performance of the specially-designed Single Machine Brushless Doubly-Fed Induction Generator "SM-BDFIG" coupled to variable speed wind turbine is investigated. The rotor voltage of the SM-BDFIG during super-synchronous operation is used to charge a number of batteries, connected to the rotor via a 3- phase bridge rectifier. The number of charged battery cells are changed, by parallel and series connections, according to the wind speed variation, and consequently, the rotor voltage variation. The response of the stator, rotor, and DC link voltages and currents due to wind speed variations is presented. The electromagnetic torque, the stator active power, and the rotor active power during wind speed variations are also presented.

Last modified: 2015-07-02 23:24:48