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Vector control of the Brushless Doubly-Fed Machine for wind power generation

The brushless Doubly-Fed Machine (BDFM) shows commercial benefits in the wind power generation. This paper presents a vector control scheme for the BDFM operating as a variable speed generator (VSG). The proposed vector controller is developed on the power winding stator flux frame, and can be used to control both speed and reactive power. The machine model and the control system are developed in MATLAB. Simulation and experimental results show that the proposed controller can stabilize the BDFM when changes in speed and reactive power are applied.