The simulation results indicate that wind turbine is operated at maximum power coefficient with variable-speed mode and the outputpowerofgenerator is kept around rated power with pitch control.
The paper analyzes the vector control theory for doubly fed induction generator, Maximal Power Point Track (MPPT) and control strategy for the unity power factor of stator output.
阐述了双馈发电机的矢量控制原理及其相应的最大功率点跟踪和发电机定子侧输出单位功率因数的控制策略。
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This power supply can automatically trace the resonant frequency of an ultrasonic generator, automatically adjust its poweroutput according to needs, and has an alarm display function.