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Maximum power tracking and power factor correction in PMSG driven wind energy system

机译:PMSG驱动的风能系统中的最大功率跟踪和功率因数校正

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This paper proposes an efficient maximum power point tracking method by using Vienna rectifier and hysteresis current controller for wind energy conversion system. It uses a permanent magnet synchronous generator without gear so as to increase the efficiency and reduce the cost of the system. From cut in speed to rated speed the maximum power point tracking is achieved by controlling the generator speed using optimal tip speed ratio and from rated speed to cut out speed a pitch angle controller is provided to make the power constant without affecting stability. By using MPPT the turbine is operated with maximum power coefficient and hence at maximum power output. The controller also ensures the unity power factor operation of generator. The wind turbine and generator, converter and controller are modeled using MATLAB Simulink and performance is verified for maximum power point tracking and power factor correction.
机译:提出了一种利用维也纳整流器和磁滞电流控制器对风能转换系统进行有效的最大功率点跟踪的方法。它使用不带齿轮的永磁同步发电机,以提高效率并降低系统成本。从切入速度到额定速度,最大功率点跟踪是通过使用最佳叶尖速度比来控制发电机速度来实现的,从额定速度到切出速度,可以使用桨距角控制器来使功率恒定而不影响稳定性。通过使用MPPT,涡轮以最大功率系数运行,因此以最大功率输出运行。控制器还确保发电机的统一功率因数运行。使用MATLAB Simulink对风力涡轮机,发电机,变流器和控制器进行建模,并针对最大功率点跟踪和功率因数校正对性能进行了验证。

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