This paper explores ways, including the use of SiC diodes, to increase the efficiency and switching frequency of continuous mode Boost PFC Converters. The dependence of electrical and thermal performances of these PFC circuits on the characteristics of the power switching devices is studied. By making measurements on a practical 1000 W PFC circuit prototype, this paper shows as to how every specific application would need an unique design solution to optimize the cost and performance of a PFC circuit.
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