Study on Direct Torque Control of Brushless Doubly-Fed Machine Based on Discete Space Vector Modulation

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Abstract:

The paper introduces Working mode of brushless doubly-fed machine(BDFM) and mathematical model in the d-q coordinates for BDFM,a strategy of discrete space vector modulation in direct torque control for BDFM has been Proposed 。The paper uses Matlab / Simulink to model and simulate the system of the direct torque control for brush double-fed motor based on discrete Space Vector Modulation.Simulation results prove that the discrete space vector modulation technique can reduce the torque ripple of traditional direct torque control system for BDFM, and improve waveform of current and Flux of Control winding.

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402-408

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August 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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DOI: 10.1109/28.536871

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