Contribution to conducted EMI reduction in multiconverter topology

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Document typeConference report
Defense date2009-11
Rights accessOpen Access
Abstract
This paper contributes to the conducted EMI
reduction generated by switched power converters operating in multiconverter arrangement. The EMI reduction is achieved by
means of the combination of two techniques: interleaving and
switching frequency modulation. The effectiveness of such methods in terms of EMI reduction is experimentally validated
in a four channel parallel buck converter. The technique that provides the best attenuation results is identified. Finally, special attention has been paid to possible undesired side-effects produced by these techniques. For this reason the converter
efficiency and output voltage ripple are evaluated.
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