一种新型非对称多电平逆变器的多载波PWM控制方法

2010 Third International Conference on Intelligent Networks and Intelligent Systems Pub Date : 2010-11-01 DOI:10.1109/ICINIS.2010.17

Xing-tao Sun, Zhang Yun

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引用次数: 4

摘要

提出了一种新的非对称多电平逆变器拓扑结构。该拓扑结构采用双向辅助开关，大大提高了输出电压电平的数量，简化了拓扑结构。针对新的拓扑结构，提出了一种混合PWM方法，使不同单元的开关工作在不同的开关频率，以降低开关损耗。最后，搭建了一个11电平电压源逆变器实验系统，验证了拓扑结构和PWM控制方法。实验结果与仿真结果吻合较好。

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Multi-carrier PWM Control Method of a Novel Asymmetrical Multilevel Inverter

This paper presents a new asymmetrical multilevel inverter topology. The new topology can improve the number of output voltage levels greatly and simply topology structure using a bidirectional auxiliary switch. A hybrid PWM method is proposed for the new topology that switches in different cells works in different switching frequency to low switching losses. Lastly, an experimental 11-level voltage-source inverter system is built to verify the topology and PWM control method. It is demonstrated that the experimental results agree well with simulations.

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来源期刊

2010 Third International Conference on Intelligent Networks and Intelligent Systems

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