The Research of Three-phase Boost/Buck-boost DC-AC Inverter

Xiangli Li, Zhaoyang Yan, Yanni Gao, Hanhong Qi

Key Lab of Power Electronics for Energy Conservation and Motor Drive of Hebei Province, Yanshan University, Qinhuangdao, China.

DOI: 10.4236/epe.2013.54B174                

Abstract

This paper presents a new inverter based on three-phase Boost/Buck-boost single-stage inverter. The basic configuration of the new topology and their fundamental principle are firstly introduced, the method of design double-loop controller and sliding mode controller are clarified, analyzed and compared in the following. Finally the validity and feasibility of the new topology are tested by simulation. The results indicate that regulation of the voltage transfer ratio and output frequency can be realized optionally by the new converter, furthermore the harmonic distortion of waveform is low. So the inherent drawback of low voltage transfer ratio of traditional converter is effectively settled. This study may provide inspiration for further engineering application.

Keywords

Three-phase Boost Single-stage Inverter; Three-phase Buck-boost Single-stage inverter; Double-loop Controller; Sliding Mode Controller

Conflicts of Interest

The authors declare no conflicts of interest.

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