This paper presents a new mixed modulator
that combines interleaving and spread-spectrum techniques
in order to achieve the lowest level of conducted EMI generation. This modulator is addressed to power converters in parallel arrangement. The practical details of the hybrid modulator and controller implementation on a FPGA are explained. The charac teristics of such modulator in terms of EMI reduction and converter performance are theoretically explored and experimentally validated in a four channel parallel buck converter operating in closed
CitationMon, J. [et al.]. Hybrid modulator for power converters in parallel topology. A: International Power Electronics and Motion Control Conference. "EPE-PEMC 2012". Novi Sad: 2012, p. DS2c.1-1-DS2c.1-7.
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