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Research on Direct Torque Control of Permanent Magnet Synchronous Motor Based on Svpwm
Current Issue
Volume 3, 2016
Issue 1 (December)
Pages: 7-11   |   Vol. 3, No. 1, December 2016   |   Follow on         
Paper in PDF Downloads: 57   Since Jan. 11, 2017 Views: 1658   Since Jan. 11, 2017
Authors
[1]
Liu Yong, School of Mathematics and Statistics, Yancheng Teachers University, Yancheng, China.
Abstract
The paper expounds the mathematical model of permanent magnet synchronous motor, which introduces the general principle of the direct torque control and the space vector pulse width modulation. In the matlab/simulink environment, the mathematical model of permanent magnet synchronous motor sets up a simulation model of the direct torque control which based on the theory of svpwm. Each step and process of the simulation model are introduced in detail and finally the simulation result is obtained. The simulation result shows that the direct torque control system which based on the theory of svpwm has a constant switch frequency, can reduce the torque ripple greatly, and improves the current waveforms and flux linkage waveforms. So it makes the system have a better dynamic and static performance and also verify the feasibility and effectiveness of the plan.
Keywords
Permanent Magnet Synchronous Motor, Direct Torque Control, SVPWM
Reference
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