一种双电源四输入端三电平逆变器

提出了一种由双直流电源构成的四输入端三电平逆变器拓扑结构,并采用三次谐波注入PWM作为调制方法.该逆变器通过前级两个电源和两个Buck变换器为后级电路提供四路电平,不同状态下后级电路工作于不同的三个电平状态;前级Buck变换器可以实现对直流母线电压的调节,有较宽的工作电压范围;采用三次谐波注入PWM调制方法能实现较宽的调制范围、低开关损耗及输出电压电流较少的谐波含量.分析了不同状态下双电源四输入端三电平逆变器工作原理、控制方法,并通过Simulink仿真验证了该结构的正确性和可行性....

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Published in:	电子技术应用 Vol. 41; no. 5; pp. 130 - 133
Main Author:	李文鹏张宇翔张晓荣曹文燕郭敏张海超
Format:	Journal Article
Language:	Chinese
Published:	郑州大学物理工程学院,河南郑州,450001 2015
Subjects:	Buck变换器三次谐波注入三电平逆变器双电源四输入端四输入端三电平逆变器 Buck converter four-input terminal 三次谐波注入 three-level inverter double-power third harmonic injection 双电源 Buck变换器
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Abstract	提出了一种由双直流电源构成的四输入端三电平逆变器拓扑结构,并采用三次谐波注入PWM作为调制方法.该逆变器通过前级两个电源和两个Buck变换器为后级电路提供四路电平,不同状态下后级电路工作于不同的三个电平状态;前级Buck变换器可以实现对直流母线电压的调节,有较宽的工作电压范围;采用三次谐波注入PWM调制方法能实现较宽的调制范围、低开关损耗及输出电压电流较少的谐波含量.分析了不同状态下双电源四输入端三电平逆变器工作原理、控制方法,并通过Simulink仿真验证了该结构的正确性和可行性.
AbstractList	提出了一种由双直流电源构成的四输入端三电平逆变器拓扑结构,并采用三次谐波注入PWM作为调制方法.该逆变器通过前级两个电源和两个Buck变换器为后级电路提供四路电平,不同状态下后级电路工作于不同的三个电平状态;前级Buck变换器可以实现对直流母线电压的调节,有较宽的工作电压范围;采用三次谐波注入PWM调制方法能实现较宽的调制范围、低开关损耗及输出电压电流较少的谐波含量.分析了不同状态下双电源四输入端三电平逆变器工作原理、控制方法,并通过Simulink仿真验证了该结构的正确性和可行性. TM464; 提出了一种由双直流电源构成的四输入端三电平逆变器拓扑结构,并采用三次谐波注入PWM作为调制方法.该逆变器通过前级两个电源和两个Buck变换器为后级电路提供四路电平,不同状态下后级电路工作于不同的三个电平状态;前级Buck变换器可以实现对直流母线电压的调节,有较宽的工作电压范围;采用三次谐波注入PWM调制方法能实现较宽的调制范围、低开关损耗及输出电压电流较少的谐波含量.分析了不同状态下双电源四输入端三电平逆变器工作原理、控制方法,并通过Simulink仿真验证了该结构的正确性和可行性.
Author	李文鹏张宇翔张晓荣曹文燕郭敏张海超
AuthorAffiliation	郑州大学物理工程学院,河南郑州450001
AuthorAffiliation_xml	– name: 郑州大学物理工程学院,河南郑州,450001
Author_FL	Zhang Haichao Zhang Yuxiang Cao Wenyan Li Wenpeng Zhang Xiaorong Guo Min
Author_FL_xml	– sequence: 1 fullname: Li Wenpeng – sequence: 2 fullname: Zhang Yuxiang – sequence: 3 fullname: Zhang Xiaorong – sequence: 4 fullname: Cao Wenyan – sequence: 5 fullname: Guo Min – sequence: 6 fullname: Zhang Haichao
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DocumentTitleAlternate	A double-power four-input terminals three-level three-phase invertor
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Keywords	四输入端三电平逆变器 Buck converter four-input terminal 三次谐波注入 three-level inverter double-power third harmonic injection 双电源 Buck变换器
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Notes	double-power ; Buck converter ; four-input terminal ; three-level inverter ; third harmonic injection This paper presents a double-power four-input terminals three-level inverter topology with Pre-Buck converter and us- es the modulation of the third harmonic injection. The circuit of double power Vs and Pre-Buck converters supplys four levels voltage, and the inventer circuit works on different voltage by various situation. Buck circuit can regulage the DC side voltage,and the inventer has a wide range working voltage. The third harmonic injection modulation can achieve lower switching loss and less harmonic content of the output voltage and current. The working principle and controlling means of the inverter during different models is analyzed. Final- ly the simulation shows the feasibility and valid of the double-power four-input terminal three-level inverter topology. Li Wenpeng, Zhang Yuxiang, Zhang Xiaorong, Cao Wenyan, Guo Min, Zhang Haichao （ School of Physical Engineering, Zhengzhou University, Zhengzh
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SubjectTerms	Buck变换器三次谐波注入三电平逆变器双电源四输入端
Title	一种双电源四输入端三电平逆变器
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