Common-Mode EMI Study and Reduction Technique for the Interleaved Multichannel PFC Converter
作者： Pengju Kong , Shuo Wang , Fred C. Lee , Chuanyun Wang
DOI: 10.1109/TPEL.2008.2002090
关键词: Physics 、 Topology (electrical circuits) 、 Electromagnetic interference 、 Noise 、 Noise reduction 、 Electromagnetic compatibility 、 Power factor 、 Common-mode signal 、 Electronic engineering 、 Inductor
摘要: Interleaved multichannel power factor correction (PFC) converter is very popular today because of its ability to reduce input and output current ripples. In this paper, the common-mode (CM) electromagnetic interference noise emission model PFC studied. A balance technique introduced CM emission. To improve high-frequency balance, a novel topology with coupled-inductor structure proposed. Its derived condition for minimizing calculated. Effects phase shift channel shedding on solution are also The proposed has effectively reduced under any conditions. two-channel built verify technique. Experimental results show that can be up 20 dB between 150 kHz 7 MHz.
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