A Loss Minimization Control Strategy for Direct Torque Controlled Interior Permanent Magnet Synchronous Motors

Jafar Siahbalaee; Sadegh Vaez-Zadeh; Farzad Tahami

A Loss Minimization Control Strategy for Direct Torque Controlled Interior Permanent Magnet Synchronous Motors

Jafar Siahbalaee

Sadegh Vaez-Zadeh

Farzad Tahami

Vol. 9, No. 6, pp. 940-948, Nov. 2009

10.6113/JPE.2009.9.6.940

Direct torque control

Loss minimization

Permanent Magnet Synchronous Motors

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Abstract

The main objective of this a paper is to improve the efficiency of permanent magnet synchronous motors (PMSMs) by using an improved direct torque control (DTC) strategy. The basic idea behind the proposed strategy is to predict the impact of a small change in the stator flux amplitude at each sampling period to decrease electrical loss before the change is applied. Accordingly, at every sampling time, a voltage vector is predicted and applied to the machine to fulfill the flux change. The motor drive simulations confirm a significant improvement in efficiency as well as a very fast and smooth response under the proposed strategy.

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Cite this article

[IEEE Style]

J. Siahbalaee, S. Vaez-Zadeh, F. Tahami, "A Loss Minimization Control Strategy for Direct Torque Controlled Interior Permanent Magnet Synchronous Motors," Journal of Power Electronics, vol. 9, no. 6, pp. 940-948, 2009. DOI: 10.6113/JPE.2009.9.6.940.

[ACM Style]

Jafar Siahbalaee, Sadegh Vaez-Zadeh, and Farzad Tahami. 2009. A Loss Minimization Control Strategy for Direct Torque Controlled Interior Permanent Magnet Synchronous Motors. Journal of Power Electronics, 9, 6, (2009), 940-948. DOI: 10.6113/JPE.2009.9.6.940.