Abstract
This paper analyzed the principle and performance characteristics of PR controller, and proposed a control strategy based on improved PR controller of direct-driven permanent magnet synchronous wind power generation system. Instead of the traditional PI controller, improved PR controller is used to saving a coordinate transformation, eliminating the cross-decoupling terms and feed-forward compensation items, and simplifying the control algorithm. The introduction of improved PR controllers has superior performance in permanent magnet synchronous motor control system, it can realize no static difference to the AC input signal. For validation, simulation model is built to experiments and analysis.
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