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A simplified voltage vector selection strategy for the permanent magnet synchronous motor direct torque control drive with low torque ripple and fixed switching frequency

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3 Author(s)
Yaohua Li ; Institute for Electrical Drives and Actuators, University of Federal Defence Munich, Germany ; Dieter Gerling ; Weiguo Liu

In this paper the effect of the voltage vector on the amplitude of stator flux, torque angle and torque of the permanent magnet synchronous motor (PMSM) direct torque control (DTC) drive is studied. A simplified voltage vector selection strategy based on the technology of space vector modulation (SVM) is proposed. Simulation and experimental results show this control strategy can decrease stator current and torque ripples and fix the switching frequency.

Published in:

Electrical Machines and Systems (ICEMS), 2010 International Conference on

Date of Conference:

10-13 Oct. 2010