Single-Phase AC-DC-AC Three-Level Three-Leg Converter

被引：38
|
作者：
de Freitas, Isaac Soares [1 ]
Jacobina, Cursino Brandao [2 ]
Cabral da Silva, Edison Roberto [2 ]
Oliveira, Talvanes Meneses [2 ]
机构：
[1] Univ Fed Paraiba, Dept Elect Engn, BR-58059900 Joao Pessoa, Paraiba, Brazil
[2] Univ Fed Campina Grande, Dept Elect Engn, BR-58429900 Campina Grande, Brazil
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2010年 / 57卷 / 12期
关键词：
DC-link voltage control; single-phase ac-dc-ac; three-level converter; PWM CONVERTERS; MACHINE DRIVE; INVERTER; MODULATION; STRATEGY; IMPLEMENTATION; RECTIFIERS; SVM;
D O I：
10.1109/TIE.2010.2043042
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a three-level three-leg ac-dc-ac converter for single-phase applications is investigated. The operating principles and control strategies for the topology are presented. It is shown that dc-link voltage balancing and its reduction are important objectives in the system design. The proposed pulsewidth modulation (PWM) strategy permits the dc-link capacitor voltage balance and also its reduction. The three-level converter is compared to the two-level converter in terms of rms switch currents, harmonic distortion, losses, and costs. Experimental and simulation results are presented to validate the theoretical studies.
引用
收藏
页码：4075 / 4084
页数：10
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