A four level rectifier-inverter system for drive applications

Author

Sinha, Gautam ; Lip, Thomas A.

Author_Institution

Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA

Volume

2

fYear

1996

fDate

6-10 Oct 1996

Firstpage

980

Abstract

Multilevel converter technology has been receiving increased attention, especially for high power applications. In particular, three level drive systems have been extensively reported. In this paper, a four level rectifier-inverter system is investigated for drive applications. A dynamic control algorithm is described which balances the voltages on a 4 level rectifier-inverter drive system primarily from the rectifier. The proposed control method can also generate unity power factor currents at the utility interface. The inverter modulation is relatively unconstrained and modified to implement a zero sequence compensation for added voltage balancing. Simulation results are used to verify the efficacy of the control algorithm

Keywords

AC motor drives; invertors; machine control; power factor; rectifying circuits; added voltage balancing; control algorithm efficacy; drive applications; dynamic control algorithm; four level rectifier-inverter system; inverter modulation; unity power factor currents; utility interface; zero sequence compensation; Capacitors; Diodes; Drives; Inverters; Reactive power; Rectifiers; Switches; Switching converters; Topology; Voltage control;

fLanguage

English

Publisher

ieee

Conference_Titel

Industry Applications Conference, 1996. Thirty-First IAS Annual Meeting, IAS '96., Conference Record of the 1996 IEEE

Conference_Location

San Diego, CA

ISSN

0197-2618

Print_ISBN

0-7803-3544-9

Type

conf

DOI

10.1109/IAS.1996.560201

Filename

560201