DTC of Three-Phase PM BLAC Motor Having One Phase Open-Circuit Fault with Current Model Flux Estimator

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Abstract:

Direct torque control (DTC) of three-phase permanent magnet brushless AC (PM BLAC) motor having one phase open-circuit fault (OPOF) is presented. Torque and flux linkages of the faulty motor are estimated by proposed estimators. Control topology, voltage vectors and design procedure are described. Simulated results show that the proposed topology can be operated under fault situation at rated torque and speed operation. Performances of the system are validated by the measured data.

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Advanced Materials Research (Volumes 433-440)

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2556-2560

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January 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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