Performance Analysis of Carrier-Based Discontinuous PWM Method for Vienna Rectifiers With Neutral-Point Voltage Balance

被引：92
作者：
Lee, June-Seok [1 ]
Lee, Kyo-Beum [2 ]
机构：
[1] Korea Railrd Res Inst, Railrd Safety Res Div, Uiwang 443734, South Korea
[2] Ajou Univ, Dept Elect & Comp Engn, Suwon 443749, South Korea
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2016年 / 31卷 / 06期
基金：
新加坡国家研究基金会;
关键词：
Carrier-based pulse-width modulation (CB-PWM); discontinuous PWM (DPWM); neutral-point voltage balancing method; three-level converter; Vienna rectifier; 3-LEVEL INVERTERS; MODULATION; STRATEGY; EQUIVALENCE; CONVERTERS;
D O I：
10.1109/TPEL.2015.2477828
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：
The nongenerative-boost type rectifier, which is called the Vienna rectifier, is advantageous in terms of efficiency and current total harmonic distortion. Therefore, the Vienna rectifier is used in grid-connected applications such as telecommunication systems and wind turbine systems. Owing to the structural characteristics of the Vienna rectifier, various switching methods exist. Among these methods, a carrier-based discontinuous pulse-width modulation (CB-DPWM) method guarantees high efficiency compared to continuous pulse-width modulation methods; moreover, it is simple compared to a DPWM method based on space vectors. In this paper, the performance of the CB-DPWM method, its applicable region depending on the power factor and modulation index (Ma), and its efficiency are analyzed in detail. Then, based on the analysis, a neutral-point voltage balancing method for the CB-DPWM method is proposed. The effectiveness and performance of the proposed neutral-point voltage balancing method are verified by simulation and experiment.
引用
收藏
页码：4075 / 4084
页数：10
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