Ripple Eliminator to Smooth DC-Bus Voltage and Reduce the Total Capacitance Required

Abstract

Bulky electrolytic capacitors, which are often needed in dc systems to filter out voltage ripples, considerably reduce power density and system reliability. In this paper, a ripple eliminator, which is a bidirectional buck-boost converter terminated with an auxiliary capacitor, is adopted to replace bulky capacitors in dc systems. The voltage ripples on the… (More)
DOI: 10.1109/TIE.2014.2353016

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