A control method of superposition ratio in the improvement of voltage utilization factor in three-phase multilevel inverter considering the DC voltage fluctuation

Kenji Amei, Youhei Tanizaki, Takahisa Ohji, Masaaki Sakui

Research output: Contribution to conferencePaper

1 Scopus citations

Abstract

This paper describes a control method which combined feed back control of output voltage with the improvement on voltage utilization factor that the superposition ratio is controlled in the three-phase multilevel inverter. The purpose of this control method is to realize improvement on the controllability and absorption of the fluctuation of the DC voltage by superimposing the moderate third harmonic wave. If the instantaneous voltage ripple was absorbed, electrolytic capacitor-less will be realized. © 2007 IEEE.
Original languageEnglish
Pages137-142
Number of pages6
DOIs
StatePublished - 2007

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