F. Lee, Shuo Wang, Ming Xu, B. Lu, Chuanyun Wang, P. Kong
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引用次数: 5
Abstract
This paper first discussed the EMI issues and solutions for boost PFC converters. The parasitic cancellation technique is then introduced to improve EMI filter's high frequency performance. A two-stage PFC topology is introduced to improve the power density of PFC. LLC topology is recommended for front-end DC/DC converters due to it high efficiency. For onboard DC/DC converters, one-stage approach is first proposed. A self-driven full-bridge resonant circuit and a current tripler are introduced to improve the current density and switching frequencies. The paper also discussed the two-stage approach and intermediate bus architecture
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