Abstract
The development and utilization of wind power systems and new energy research and development is the focus and hotspot of the world. DFIG (Double-fed Induction Generator) has become the main object of wind power research with its unique operating characteristics. Decoupling Control of Active Power and Reactive Power of Doubly-Fed Machines is a Key Problem in the Research and Development of Wind Power Generation Technology. In this paper, the dual-PWM converter controlled variable speed constant frequency power generation system, the use of wind energy under different wind speeds, combined with the maximum wind energy tracking to improve the traditional controller performance. So, a vector control strategy for stator flux DFIG generation with adaptive proportional resonance (PR) is proposed. Power decoupling is achieved by controlling the frequency, phase and amplitude of the rotor current. The modeling and simulations of the DFIG power generation operation control system are carried out by Matlab. The results verify the correctness and effectiveness of the strategy and control method.
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