| 不对称级联型多电平变频器的分析及改进 |
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| 引用本文： | 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].上海电力学院学报,2009,25(2):157-160. |
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| 作者姓名： | 江友华 方劼 曹以龙 |
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| 作者单位： | 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 |
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| 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．
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| 关 键 词： | 级联型多电平变频器 不对称拓扑 最大延伸定理 |
| 收稿时间： | 2008/6/17 0:00:00 |
The Analysis and Improvement of Asymmetry Cascaded Multilevel Inverter |
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| JIANG You-hu,FANG Jie and 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. |
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| Authors: | JIANG You-hu FANG Jie and CAO Yi-long |
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| Affiliation: | 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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| 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. |
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| Keywords: | cascaded multi-level inverter asymmetry topology maximal distention principle |
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