Three-Phase Four-Wire AC-DC-AC Converter with Shared Legs

被引：0
|
作者：
Felinto, Alan S. [1 ]
Jacobina, Cursino B. [1 ]
Fabricio, Edgard L. L. [2 ]
de Lacerda, Rodrigo P. [1 ]
机构：
[1] Fed Univ Campina Grande UFCG, Campina Grande, Paraiba, Brazil
[2] Fed Inst Paraiba IFPB, Joao Pessoa, Paraiba, Brazil
来源：
2019 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2019年
关键词：
TOPOLOGIES;
D O I：
10.1109/ecce.2019.8912798
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This work proposes a seven-leg three-phase fourwire AC-DC-AC converter. The converter has three legs shared between grid and load sides. This topology presents double voltage amplitude generation capability at grid side compared to load side. In this way, the converter develops its best performance when the amplitude of grid voltage is twice of the amplitude of load voltage, because this operation allows to reduce semiconductor losses, and harmonic distortion of the converter voltages and to use all voltage generation capability at both sides simultaneously. Converter model, control stategy and PWM technique are explained. Analysis are performed considering DC-link voltage and synchronization, harmonic distortion, semiconductor losses and average switching frequency. Finally, simulation and experimental results are shown to validate the analysis.
引用
收藏
页码：3593 / 3600
页数：8
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