Control Method of Three-level Neutral-point-clamped Inverter Based on Voltage Vector Diagram Partition

被引：0
|
作者：
宋文祥 [1 ]
姚钢 [1 ]
陈陈 [1 ]
陈国呈 [2 ]
机构：
[1] Department of Electrical Engineering,Shanghai Jiaotong University
[2] Department of Automation,Shanghai University
来源：
Journal of Shanghai Jiaotong University(Science) | 2008年 / 04期
关键词：
three-level inverter; variation mechanism of neutral-point potential; balancing control method;
D O I：
暂无
中图分类号：
TM464 [逆变器];
学科分类号：
080801 ;
摘要：
A new modulation approach was presented for the control of neutral-point (NP) voltage variation in the three-level NP-clamped voltage source inverter, and the average NP current model was established based on vector diagram partition. Thus, theory base was built for balancing control of NP potential. Theoretical analysis and experimental results indicate that the proposed method for NP balancing control vector synthe- sizing concept based can make the average NP current zero, and do not inffuence NP potential within every sample period. The effectiveness of proposed research approach was verified by simulative and experimental results.
引用
收藏
页码：457 / 461
页数：5
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