Improvement in Performance of Short Chorded Three-Phase Induction Motors with Variable in PWM Switching Frequency

Author

Deshmukh, R.R. ; Moses, A.J. ; Anayi, F.J.

Author_Institution

Wolfson Centre for Magnetics, Cardiff

fYear

2006

fDate

8-12 May 2006

Firstpage

966

Lastpage

966

Abstract

A new and simple method has been developed for dramatically improving the energy conversion efficiency of three-phase induction motors under a pulse width modulation (PWM) supply. This is important as three-phase induction motors are widely used in industry with PWM supplies for variable speed drives. This will have a substantial impact on the cost associated with compensating for losses. This paper shows the effect of chording on three-phase squirrel-cage induction motors fed from a three-phase PWM voltage source inverter at different switching frequencies.

Keywords

PWM invertors; squirrel cage motors; switching convertors; energy conversion efficiency; harmonic analysis; pulse width modulation switching frequency; three-phase PWM voltage source inverter; three-phase squirrel-cage induction motors; Coils; Harmonic analysis; Induction motors; Power engineering and energy; Power system harmonics; Pulse width modulation; Pulse width modulation inverters; Stator windings; Switching frequency; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Magnetics Conference, 2006. INTERMAG 2006. IEEE International

Conference_Location

San Diego, CA

Print_ISBN

1-4244-1479-2

Type

conf

DOI

10.1109/INTMAG.2006.374997

Filename

4262399