Improved space vector modulation strategy with 50% common-mode voltage reduction for indirect matrix converter

被引：0

作者：

Li S.-H. ^{[1
,2
]}

Cao S.-P. ^{[1
,2
]}

Jin Z.-Y. ^{[1
,2
]}

Han X. ^{[1
]}

机构：

[1] State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin

[2] Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability of Hebei Province, Hebei University of Technology, Tianjin

来源：

Dianji yu Kongzhi Xuebao/Electric Machines and Control | 2022年 / 26卷 / 01期

关键词：

Common-mode voltage; Deadtime effect; Indirect matrix converter; Space vector modulation; Zero current vector; Zero voltage switch;

D O I：

10.15938/j.emc.2022.01.009

中图分类号：

学科分类号：

摘要：

Compared with the all existing indirect matrix converter(IMC) modulation method that only suppress the common-mode voltage(CMV) peak by 42.3%, a novel space vector modulation method was presented to suppress the CMV peak by 50%. Firstly, the CMV characteristic of all vectors in IMC was analyzed. And then, the novel space vector modulation method selects the optimal zero vector and the active vector to reduce the CMV according to the sector where the input voltage was located. The CMV peak value of active vectors was reduced to 0.29Vin and the CMV peak value of zero vectors was reduced to 0.5Vin. The CMV spike problem caused by the dead-zone effect was solved by using the characteristic of the CMV under zero current vector which has nothing to do with the inverter stage. The zero voltage switch(ZVS) was implemented in the inverter stage with the characteristic that the DC bus voltage is 0 under the action of the zero current vector. Experimental results are shown to verify effectiveness of the proposed modulation method. © 2022, Harbin University of Science and Technology Publication. All right reserved.

引用

页码：77 / 85

页数：8

共 24 条

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