Yan Zhou, Yongfa Zhu, Qingliang Song, Zhaoguo Jin, Dan Yang, Xuequan Yu
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Prediction and reduction of electromagnetic conducted emission in active clamp forward converter
Now, the main way to solve the conducted electromagnetic interference of power converter is “testing ->; modifying ->; testing”. This causes delivery delays and cost increases. This paper presents a flow for solving these problems. The whole-link circuit models of active clamp forward (ACF) converter are constructed based on the CE noise sources and paths. The conducted emission (CE) noise can be predicted by the whole-link circuit models which have been verified by experiment. A set of CE noise reduction techniques for ACF converter are proposed which have been confirmed by experiment.
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