AC/AC Single-Phase Three-Leg Dc-Link Converters Based on Three-Level and Two-Level Legs

Author

Jacobina, C.B. ; de Freitas, I.S. ; Oliveira, T.M. ; da Silva, E.R.C.

Author_Institution

Electr. Eng. Dept., Fed. Univ. of Campina Grande, Campina Grande

fYear

2009

fDate

15-19 Feb. 2009

Firstpage

1842

Lastpage

1848

Abstract

This paper investigates six three-leg single-phase to single-phase dc-link converters employing three-level and two-level legs. The pulse-width modulation techniques and a control technique that aims at maximizing the utilization of the DC-link voltage are presented. In addition, several relevant characteristics of the converter are addressed, such as voltage capability, harmonic distortion, shared-leg and capacitor currents, and power rating. The features of such converters are compared to the ones of the three-level three-leg converter. Experimental results are presented.

Keywords

AC-AC power convertors; PWM power convertors; AC-AC single-phase three-leg DC link converters; capacitor currents; control technique; harmonic distortion; power rating; pulse width modulation techniques; three-level legs; two-level legs; voltage capability; Capacitors; Harmonic distortion; Jacobian matrices; Leg; Pulse modulation; Space vector pulse width modulation; Switches; Switching converters; Topology; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Applied Power Electronics Conference and Exposition, 2009. APEC 2009. Twenty-Fourth Annual IEEE

Conference_Location

Washington, DC

ISSN

1048-2334

Print_ISBN

978-1-4244-2811-3

Electronic_ISBN

1048-2334

Type

conf

DOI

10.1109/APEC.2009.4802921

Filename

4802921