YANG Cun-xiang, LIU Shu-bo and ZHANG Zhi-yan. Research on the diagnosis method of demagnetization fault of permanent magnet synchronous motor based on vector control[J]. Journal of Light Industry, 2017, 32(4): 58-65. doi: 10.3969/j.issn.2096-1553.2017.4.009
Citation:
YANG Cun-xiang, LIU Shu-bo and ZHANG Zhi-yan. Research on the diagnosis method of demagnetization fault of permanent magnet synchronous motor based on vector control[J]. Journal of Light Industry, 2017, 32(4): 58-65.
doi:
10.3969/j.issn.2096-1553.2017.4.009
Research on the diagnosis method of demagnetization fault of permanent magnet synchronous motor based on vector control
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College of Electric and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China;
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Isotope Institute Co., Ltd., He'nan Academy of Sciences, Zhengzhou 450015, China
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Received Date:
2016-01-15
Accepted Date:
2016-09-15
Available Online:
2017-07-15
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Abstract
Based on the fact that the simulation model of permanent magnet synchronous motor (PMSM) vector control system of demagnetization fault was built based on Matlab/Simulink platform,the diagnosis method of demagnetization fault of PMSM was presented using the control mode of id=0.The ratio of the electromagnetic torque and the stator current was used as the magnetic failure factor,the ratio of the electromagnetic torque and the stator current in normal operation was used as the threshold.If the magnetic failure factor was less than the threshold, the magnetic field could be judged demagnetization fault.And according to the magnitude of the magnetic failare factor and the threshold value, the magnetic field could be judged the severity of the loss.The simulation results verified the validity of the method.
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Proportional views
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