کنترل مستقیم توان در ژنراتورهای القایی توربین بادی با تغذیه دوگانه با استفاده از کنترلگر فازی
محورهای موضوعی : مهندسی قدرت و مدیریت انرژی
1 - گروه مهندسی برق،واحد فسا،دانشگاه آزاد اسلامی،فسا،ایران
کلید واژه: سیستم¬های تبدیل انرژی باد, توربین¬های بادی با سرعت متغیر, ژنراتورهای القایی با تغذیه دوگانه, ردیابی نقطه حداکثر توان,
چکیده مقاله :
باد یک منبع مناسب و قدرتمند انرژی است. تولید توان در یک توربین بادی با سرعت متغیر، موضوعی جالب توجه است چراکه در سیستم¬های مبدل انرژی باد، حداکثر بهره¬برداری در هر سرعتی قابل دستیابی است. اما این سیستم برای محاسبه سرعت بهینه توربین نیاز به پارامترهای آن دارد. در این مقاله، یک روش کنترلی برای ردگیری نقطه توان بیشینه در سیستم مبدل انرژی باد ارائه می¬شود که به منظور شبیه¬سازی و طراحی از این روش و کنترل فازی به روش ممدانی استفاده شده است. در این مقاله، سیستم مبدل انرژی باد، مولد القایی دوسو تغذیه که با روتور و استاتور به شبکه متصل می¬شود، می¬باشد. ورودی سیستم کنترل، تفاضل سرعت مطلوب ژنراتور و سرعت واقعی آن است. سرعت مطلوب همان سرعت دورانی است که در آن ژنراتور توان بیشینه را از توربین بادی دریافت می¬کند. پس از انجام شبیه¬سازی ها و طراحی کنترل¬کننده فازی مناسب برای سیستم، مشخص شد که انتخاب نادرست یک پارامتر تأثیر نامطلوبی بر روند کنترل یک سیستم دارد.
Wind is a convenient and powerful source of energy. Power generation in a variable speed wind turbine is an interesting topic; since in wind energy converter systems, maximum utilization can be achieved at any speed. But this system needs its parameters to calculate the optimal speed of the turbine. In this article, a control method for tracking the maximum power point in the wind energy converter system is presented, which has been used for simulation and design along with fuzzy control by Mamdani method. In this article, the wind energy converter system is a two-fed induction generator, which is connected to the grid with a rotor and a stator. The input of the control system is the difference between the desired speed of the generator and its actual speed. The optimal speed is the rotational speed at which the generator receives the maximum power from the wind turbine. After conducting simulations and designing a suitable fuzzy controller for the system, it was found that the incorrect selection of a parameter has an adverse effect on the control process of a system.
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