Research on reducing the input current distortion based on PWM method for Vienna rectifier with LCL filter

被引：0
|
作者：
Hu, Wenbin [1 ]
Yu, Aijuan [1 ]
Lyu, Jianguo [1 ,2 ]
Ding, Huimin [1 ]
Lyu, Jianguo [1 ,2 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Automat, Nanjing, Jiangsu, Peoples R China
[2] Jiangsu Collaborat Innovat Ctr Smart Distribut Ne, Nanjing, Jiangsu, Peoples R China
来源：
2017 CHINESE AUTOMATION CONGRESS (CAC) | 2017年
关键词：
Vienna rectifier; current distortion; carrier-based; PWM; LCL filter; POWER-FACTOR; SYSTEMS;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The Vienna rectifier is a common used topology for three-phase PFC converters in many applications. However, apart from many apparent advantages which ensure reliability and efficiency, it has an inherent problem, current distortions at zero-crossing points, due to its own structure. The filter is necessary at the grid side, with conventional carrier-based PWM (CB-PWM) method implemented, the current distortion is inevitable. In this paper, with the consideration of LCL filter, the phenomenon is analyzed in detail and an improved CB-PWM method is proposed to solve the problem with explicit explanation and simulations are conducted to verify the efficacy of this approach.
引用
收藏
页码：6634 / 6639
页数：6
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