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上海电力大学学报:2009,25(2):157-160
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不对称级联型多电平变频器的分析及改进
(1.上海电力学院 计算机与信息工程学院, 上海 200090;2.四川省达州市电业局, 四川 达州 635000)
The Analysis and Improvement of Asymmetry Cascaded Multilevel Inverter
(1.School of Computer and Information Engineering, Shanghai Universityof Electric Power, Shanghai 200090, China;2.Sichuan Dazhou Power Bureau of Sichuan Province, Dazhou 635000, China)
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投稿时间:2008-06-17    
中文摘要: 不对称级联型多电平变频器拓扑结构各单元直流母线的电压不尽相同,采用混合控制策略,可以用较少的功率器件输出更多的电平数,达到更好的输出性能.引入最大延伸定理,为不对称级联型多电平变频器各单元选取电压比值提供理论依据,同时给出了一种改进型不对称级联型多电平变频器拓扑结构.
Abstract:The DC bus voltage value in different cells of asymmetry cascaded multilevel inverter is different.If the mixed control strategy is applied, the number of output levels are big and the output performance is better.The maximal distention principle is introduced as the theory reference of voltage value in different cells.At the same time, an improved topology is proposed
文章编号:20090214     中图分类号:    文献标志码:
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引用文本:
江友华,方劼,曹以龙.不对称级联型多电平变频器的分析及改进[J].上海电力大学学报,2009,25(2):157-160.
JIANG You-hua,FANG Jie,CAO Yi-long.The Analysis and Improvement of Asymmetry Cascaded Multilevel Inverter[J].Journal of Shanghai University of Electric Power,2009,25(2):157-160.