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多电平逆变器分析与仿真
引用本文:姚海瑞,李俊,薄翠梅,张广明. 多电平逆变器分析与仿真[J]. 电源技术, 2012, 36(6): 839-841. DOI: 10.3969/j.issn.1002-087X.2012.06.024
作者姓名:姚海瑞  李俊  薄翠梅  张广明
作者单位:1.南京工业大学自动化与电气工程学院,江苏南京,211816;2.南京工业大学自动化与电气工程学院,江苏南京,211816;3.南京工业大学自动化与电气工程学院,江苏南京,211816;4.南京工业大学自动化与电气工程学院,江苏南京,211816
基金项目:国家自然科学基金资助项目,江苏省科技支撑(工业)计划项目
摘    要:目前,多电平逆变器常采用电力电子开关器件串联的逆变器,或者功率单元串联叠加的级联式逆变器.两者不仅直流供电电源不同,电路的结构形式也不同.新型级联多电平逆变器不仅结构简单,而且在输出电平数相同时,所需开关管较少,具有良好的工业应用前景.通过分析典型逆变器结构,阐述其结构特点与联系,并通过软件仿真,比较冬自的抗缺点,为高电压大容量多电平逆变器的选择提供有益的参考.

关 键 词:多电平逆变器  二极管钳位  级联  SPWM控制

Analysis and simulation of multilevel inverters
YAO Hai-rui , LI Jun , BO Cui-mei , ZHANG Guang-ming. Analysis and simulation of multilevel inverters[J]. Chinese Journal of Power Sources, 2012, 36(6): 839-841. DOI: 10.3969/j.issn.1002-087X.2012.06.024
Authors:YAO Hai-rui    LI Jun    BO Cui-mei    ZHANG Guang-ming
Affiliation:(School of Automation & Electrical Engineering,Nanjing University of Technology,Nanjing Jiangsu 211816,China)
Abstract:Currently,multilevel inverters are commonly the inverters with power electronic switching devices in series or the cascade multilevel inverters with power units in series.Both of them not only have different DC power supplies,but also different circuit structure.The new cascade multilevel inverter is not only simple in structure,but also requiring less switching devices when the output level is the same,with a good prospect for industrial applications.The structure of typical inverters was analyzed to explain their structural features and links.At last,their advantages and disadvantages were compared by software simulation,which provided a useful reference for choosing of high-voltage large-capacity multilevel inverters.
Keywords:multilevel inverters  diode clamp  cascade  SPWM control
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