Optimal control of three-level PWM inverters

Author

Halász, Sándor ; Hassan, Ahmed Abdalla M ; Huu, Bui Tin

Author_Institution

Dept. of Electr. Machines & Drives, Tech. Univ. Budapest, Hungary

Volume

44

Issue

1

fYear

1997

fDate

2/1/1997 12:00:00 AM

Firstpage

96

Lastpage

106

Abstract

An harmonic loss-minimized optimal PWM strategy for three-level inverters is investigated. The different PWM methods for low-, middle-, and high-speed regions are presented. It is shown that, for three-level inverters, the optimized strategy in all speed regions differs from the optimal PWM strategy of two-level inverters. The developed optimal control ensures a minimum of harmonic losses for a predetermined number of commutations of three-level PWM inverters and for a given value of the fundamental harmonic voltage

Keywords

DC-AC power convertors; PWM invertors; commutation; control system analysis; control system synthesis; harmonic distortion; optimal control; power system harmonics; voltage control; commutations; control simulation; distortion; fundamental harmonic voltage; harmonic loss-minimisation; optimal control design; three-level PWM inverters; voltage spectra; Commutation; DC motors; Frequency; Optimal control; Optimization methods; Pulse width modulation; Pulse width modulation inverters; Stators; Torque; Voltage;

fLanguage

English

Journal_Title

Industrial Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0278-0046

Type

jour

DOI

10.1109/41.557504

Filename

557504