High-speed permanent magnet synchronous motor current harmonics suppression based on voltage injection

被引：0
|
作者：
Liu G. [1 ,2 ,3 ]
Zhang Q. [1 ,2 ,3 ]
Mao K. [1 ,2 ,3 ]
机构：
[1] Science and Technology on Inertial Laboratory, Beihang University, Beijing
[2] Fundamental Science on Novel Inertial Instrument & Navigation System Technology Laboratory, Beihang University, Beijing
[3] Beijing Engineering Research Center of High-Speed Magnetically Suspended Motor Technology and Application, Beijing
来源：
Zhang, Qiang | 2016年 / Editorial Department of Electric Machines and Control卷 / 20期
关键词：
Harmonic current; Harmonic suppression; High-speed; Permanent magnet synchronous motor; Voltage injection;
D O I：
10.15938/j.emc.2016.07.002
中图分类号：
学科分类号：
摘要：
The phase currents of high-speed permanent magnet synchronous motor (high-speed PMSM) contain lots of harmonics. A novel harmonic suppression method for high-speed PMSM based on voltage injection was proposed. The model of high-speed PMSM was established considering the existence of current harmonics. The closed-loop current harmonic detecting method was used to extract the fifth and seventh current harmonics and voltage compensation was calculated according to the model of high-speed PMSM. A feedback loop of harmonic currents and a compensation loop of harmonic voltages were designed and added into the control system, and the harmonic currents were controlled through injecting harmonic voltages. The results verify that the method based on voltage injection can suppress the harmonic currents effectively. The method has the advantage of simple realization and strong adaptability. © 2016, Harbin University of Science and Technology Publication. All right reserved.
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页码：8 / 16
页数：8
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