A three-phase inverter with a neutral leg with space vector modulation

Author

Zhang, Richard ; Boroyevich, Dushan ; Prasad, V.H. ; Mao, Hengchun ; Lee, Fred C. ; Dubovsky, Stephen

Author_Institution

Bradley Dept. of Electr. Eng., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA

Volume

2

fYear

1997

fDate

23-27 Feb 1997

Firstpage

857

Abstract

A three-phase inverter with a neutral leg is presented in this paper, in comparison with a conventional neutral point clamped three-phase inverter with split DC link capacitors, to deal with load unbalance in a high-power rotary standalone power supply system. With the additional neutral leg, the space vector modulation control is much more complex, and there is no precedent literature addressing this issue. In this paper a general definition of space vector in a three-dimensional space is described. Space vector modulation control of this inverter is discussed, as well as design considerations

Keywords

invertors; modulation; power supplies to apparatus; high-power rotary standalone power supply; load unbalance; neutral leg; space vector modulation; space vector modulation control; three-phase inverter; Capacitors; Inverters; Leg; Medical control systems; Power electronics; Power generation; Power supplies; Reactive power; Satellite broadcasting; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Applied Power Electronics Conference and Exposition, 1997. APEC '97 Conference Proceedings 1997., Twelfth Annual

Conference_Location

Atlanta, GA

Print_ISBN

0-7803-3704-2

Type

conf

DOI

10.1109/APEC.1997.575746

Filename

575746