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This paper presents a robust sensorless control system for variable-speed, fixed-pitch wind turbines with direct-drive permanent magnet synchronous generator. It covers both the partial-load and full-load operating regimes. In partial-load, the aim of the control action is to maximize the harvested energy form the wind while keeping the wind turbine stable. In full-load operation mode, a second controller...
For the purpose of achieving VSCF control system, this paper, stemming from the aerodynamics basic theory, analyzing the principle of pursuiting most wind energy. Through constructing the wind turbine stress model. Theory Wind energy utilization modulus is inferred in this paper. The paper focuses on VSCF control theory and operation mode. Firstly, the analysis of the relationship diagram of power...
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