Simulation Research of Direct Torque Control for Marine Permanent Magnet Synchronous Motor

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Abstract:

The permanent magnet synchronous motors are more and more popular in marine electric propulsion field. Aiming to solve the problem of large torque ripple in traditional DTC system, this paper introduces the principle of space vector modulation and builds the electric propulsion system models based on direct torque control for permanent magnet synchronous motor in Simulink. Typical working condition experiments are designed to contrast the performances between traditional DTC and SVM-DTC. Simulation result proves that SVM-DTC can reduce ripples of both electromagnetic torque and stator flux effectively with the same dynamic response character as traditional DTC system.

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Periodical:

Advanced Materials Research (Volumes 1044-1045)

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858-862

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October 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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