مبدل دو مرحله ای بر پایه ترکیبی از مبدل dc-dc بهره بالا و اینورتر پنج سطحی برای تبدیل انرژی در سیستم فتو ولتاییک -باطری

نوع مقاله : مقاله پژوهشی

نویسندگان

چکیده

این مقاله یک اینورتر دو مرحله ای بر مبنای مبدل dc-dc با ضریب بهره بالا و بدون ترانسفورماتور برای تبدیل انرژی سیستم فتوولتائیک پیشنهاد می کند. سیستم طراحی شده شامل مبدل dc-dc با ضریب بهره بالا سری شده با یک اینورتر سه فاز است. مبدل dc-dc پیشنهادی دارای ساختاری ساده است و تنها یک کلید در ساختار آن وجود دارد. ولتاژ خروجی مبدل dc-dc منابع dc را برای بخش اینورتری، اینورتر چند مرحله ای فراهم می کند. یک نمونه ساخته شده و شبیه سازی شده قابلیت ساختار ارائه شده را نشان می دهند. در انتها MATLAB/SIMULINK برای شبیه سازی سیستم PV-battery استفاده شده است. نتایج به دست آمده نشان می دهند که سیستم تبدیل انرژی بار را تغذیه کرده و همچنین به طور مناسبیبه توان سیتم باطری-فتوولتائیک در دسترس می باشد.

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