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Title: DTC of opencircuit fault nonsinusoidal backEMF PM BLAC motor
Authors: Utaikaifa, Kasem 
Keywords: Direct torque control;Nonsinusoidal backEMF;Opencircuitfault;Permanent magnet brushless motor
Issue Date: 2011
Publisher: University of the Thai Chamber of Commerce
Source: Kasem Utaikaifa (2011) DTC of opencircuit fault nonsinusoidal backEMF PM BLAC motor., 205-209.
Conference: International Conference on Electric Power Systems, High voltages, Electric machines, International conference on Remote sensing 
Abstract: DTC of threephase nonsinusoidal backEMF permanent magnet brushless AC motor (PM BLAC) having one phase opencircuitfault is presented in this paper. The scheme employs an extra inverter leg in providing a current path for the two phase windings. Stator flux linkages and developed torque of the faulty motor are estimated using approximate model estimators. The models in αβ coordinates are obtained from the fundamental component of the rotor flux and measured stator currents. Voltagevectors and switching table of the DTC are described. Performances of the proposed strategy are evaluated by simulation and validated by comparing with the measured data.
Rights: This work is protected by copyright. Reproduction or distribution of the work in any format is prohibited without written permission of the copyright owner.
Appears in Collections:RSO: Conference Papers

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