An investigation of a modified direct torque control strategy for flux and torque ripple reduction for induction machine drive system with fixed switching frequency

Author

Tang, L. ; Zhong, L. ; Rahman, M.F. ; Hu, Y.

Author_Institution

Sch. of Elec. Eng. & Tele, New South Wales Univ., Sydney, NSW, Australia

Volume

2

fYear

2002

fDate

13-18 Oct. 2002

Firstpage

837

Abstract

A novel direct torque control (DTC) control scheme for induction motor drives is proposed in this paper, which features low torque ripple, low flux ripple and almost fixed switching frequency. Simulation and preliminary experiment comparisons show the flux and torque ripples are greatly reduced if compared with the basic DTC scheme, while the switching frequency is fixed, all the advantages of the basic DTC are still retained with the new scheme.

Keywords

DC-AC power convertors; control system analysis; control system synthesis; induction motor drives; invertors; machine theory; machine vector control; switching circuits; torque control; control design; control simulation; fixed switching frequency; flux ripple reduction; induction motor drive system; modified direct torque control strategy; torque ripple reduction; Couplings; Induction machines; Inverters; Sampling methods; Sensor systems; Stators; Support vector machines; Switching frequency; Torque control; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Industry Applications Conference, 2002. 37th IAS Annual Meeting. Conference Record of the

Conference_Location

Pittsburgh, PA, USA

ISSN

0197-2618

Print_ISBN

0-7803-7420-7

Type

conf

DOI

10.1109/IAS.2002.1042656

Filename

1042656