دانلود رایگان اصل مقاله انگلیسی سال انتشار:2012 تعداد صفحات انگلیسی:10 تعداد صفحات فارسی به فرمت ورد:33 Abstract Three new bridgeless single-phase ac-dc power factor correction (PFC) rectifiers based on Cuk topology are proposed. The absence of an input diode bridge and the presence of only two semiconductor switches in the current flowing path during each interval of the switching cycle result in less conduction losses and an improved thermal management compared to the conventional Cuk ...