Compact power conversion device with continuous output regulating range

J. Delos Ayllon (Inventor), Toni Lopez (Inventor), M.A.M. Hendrix (Inventor), E. Alarcon-Cot (Inventor)

Research output: PatentPatent publication

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Abstract

The current invention relates to a power conversion device(10), for supplying a load (11) with a PWM signal through an inductive output filter (105),the power conversion device(10) being characterized in that it comprises: a power conversion module(101) supplied by a DC input voltage(Vin) and configured for providing a plurality of output signals(PWM1, ...,PWMn) having a level amplitude that is a fraction of the input voltage (Vin) level, each output signal being floating with a bias component equally split in a plurality of steps ranging from a determined lowest fraction level amplitude to a determined highest fraction level amplitude;; a multiplexer (103) receiving as a plurality of inputs said plurality of output signals(PWM1, ..., PWMn) and configured for outputting one output signal(PWMx) selected from said plurality of inputs,the output signal(PWMx) of the multiplexer(103) being connected to the output filter (105).
Original languageEnglish
Patent numberWO2015040517 (A2)
Priority date19/09/13
Publication statusPublished - 26 Mar 2015

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