| 基于三次谐波注入的级联多电平逆变器 |
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| 引用本文： | 谢峰,关振宏,吴桢生,王洪峰,唐顺,程新伟.基于三次谐波注入的级联多电平逆变器[J].电气开关,2009,47(4):43-44,47. |
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| 作者姓名： | 谢峰 关振宏 吴桢生 王洪峰 唐顺 程新伟 |
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| 作者单位： | 西南交通大学电气工程学磁浮技术与磁浮列车教育部重点实验室,成都,610031 |
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| 摘 要： | 详细分析了调制波变换技术和三次谐波注入多电平逆变器的原理。以及三次谐波注入后逆变器的调制信号与输入直流电压的关系。并且，分析了在级联多电平逆变器开环PWM控制下，一般SPWM与三次谐波注入的不同。提出三次谐波注入法能够在不影响负载电流电压的情况下实现载波调制的优化控制，提高电压利用率。在Matlab／Simulink环境下通过仿真，证实了理论的正确性。
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| 关 键 词： | 三次谐波注入 级联多电平逆变器 电压利用率 |
Cascaded Multilevel Inverter Based on Three Harmonic Injection Method |
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| XIE Feng,GUAN Zhen-hong,WU Zhen-sheng,WANG Hong-feng,TANG Shun,CHENG Xin-wei.Cascaded Multilevel Inverter Based on Three Harmonic Injection Method[J].Electric Switchgear,2009,47(4):43-44,47. |
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| Authors: | XIE Feng GUAN Zhen-hong WU Zhen-sheng WANG Hong-feng TANG Shun CHENG Xin-wei |
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| Affiliation: | Department of Electrical Engineering Key Laboratory of Magnetic Suspension Technology and Maglev Vehicle;Southwest Jiaotong University;Chengdu 610031;China |
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| Abstract: | In this paper,analyses the wave modulation technology and transform into multi-harmonic three-level inverter principle,as well as the injection after the third harmonic modulation of the inverter and the input DC voltage signal.In addition,an analysis of the cascade multi-level open-loop PWM inverter under the control of the general SPWM with three different harmonic injection.Proposed third harmonic injection method can not affect the load current of the voltage to achieve optimal control of the carrier mo... |
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| Keywords: | three harmonic injection cascaded multilevel inverter voltage availability |
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