Generalized Space-Vector-Modulation Method for Soft-Switching Three-Phase Inverters

被引：18

作者：

Wu, Yuying ^{[1
]}

He, Ning ^{[1
]}

Chen, Min ^{[1
]}

Xu, Dehong ^{[1
]}

机构：

[1] Zhejiang Univ, Inst Power Elect, Coll Elect Engn, Hangzhou 310027, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2021年 / 36卷 / 05期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

Switches; Inverters; Zero voltage switching; Legged locomotion; Reactive power; Switching frequency; RLC circuits; Space vector modulation (SVM); three-phase inverter; zero-voltage-switching (ZVS);

D O I：

10.1109/TPEL.2020.3026824

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Three-phase inverters are usually required to output reactive power in electric machine drives, renewable energy generation, static var generators, and other power electronic systems. Therefore, the inverter may operate within wide power factor angle range. However, the traditional zero-voltage-switching space vector modulation (ZVS-SVM) method for three-phase inverters is only applicable when power factor angle is between -pi/6 and +pi/6. In this article, a general ZVS-SVM method for three-phase inverter with arbitrary output is proposed. The principles for vector selection and vector sequence arrangement are discussed in detail. With only one switching operation of the auxiliary switch in each switching cycle, ZVS of all switches can be achieved. Operation stage analyses and ZVS condition of the inverter with the proposed method are introduced. In addition, the resonant parameters design considerations and loss analyses are investigated. Finally, the proposed ZVS-SVM method is verified by the experiment.

引用

页码：6030 / 6045

页数：16

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