A Comprehensive Study of Relationship of Two Simplified Space Vector Modulation Methods and the Application in Three-level Inverters

被引：0
|
作者：
Chen, Xi [1 ]
Huang, Shenghua [1 ]
Li, Bingzhang [1 ]
Yang, Chunquan [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Wuhan, Hubei, Peoples R China
来源：
2017 20TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS) | 2017年
关键词：
simplified SVPWM; unified voltage modulation; equivalent relationship; NPC three-level inverter;
D O I：
暂无
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：
In this paper, two modified space vector pulse width modulation (SVPWM) methods are presented. The relationship of them is comprehensively studied. A variable factor k(0) is introduced into the unified voltage modulation method. Due to factor k(0), the time duration of application of two zero state vectors is made changeable from 0 to 100% over the sampling period for their combined application, which makes the strategy is flexible and universal. Additionally, by introducing factor k(0) into the unified voltage modulation, it can prove that the two simplified SVPWM schemes are exactly identical. Owing to the variable factor, the two simplified SVPWM methods can be employed to balance the neutral-point potential in the neutral-point-clamped three-level inverter. The proposed modulation technique is verified by experiment.
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页数：5
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