| 模块组合多电平变换器的环流模型 |
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| 引用本文： | 杨晓峰,王晓鹏,范文宝,郑琼林.模块组合多电平变换器的环流模型[J].电工技术学报,2011(5):21-27. |
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| 作者姓名： | 杨晓峰 王晓鹏 范文宝 郑琼林 |
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| 作者单位： | 北京交通大学电气工程学院; |
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| 基金项目： | 北京交通大学优秀博士生科技创新基金资助项目(141091522) |
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| 摘 要： | 模块组合多电平变换器是应用于高压大功率电能变换领域的优秀拓扑之一,具有高度模块化、输出波形谐波含量少、无需工频变压器等优点.然而环流的存在使得模块组合多电平变换器的桥臂电流发生畸变,提高了器件的额定电流容量,进一步增加了系统成本.本文提出了模块组合多电平变换器的环流模型,将环流的作用等效为两个电流控制的电压源(CCVS...
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| 关 键 词： | 模块组合多电平变换器 环流 桥臂电流 电流控制电压源 负序 |
Circulating Current Model of Modular Multilevel Converters |
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| Yang Xiaofeng Wang Xiaopeng Fan Wenbao Zheng Qionglin.Circulating Current Model of Modular Multilevel Converters[J].Transactions of China Electrotechnical Society,2011(5):21-27. |
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| Authors: | Yang Xiaofeng Wang Xiaopeng Fan Wenbao Zheng Qionglin |
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| Affiliation: | Yang Xiaofeng Wang Xiaopeng Fan Wenbao Zheng Qionglin(Beijing Jiaotong University Beijing 100044 China) |
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| Abstract: | Modular multilevel converter(MMC) is one of the excellent selections for high voltage and high power conversion applications without transformers.It provides the advantages such as high modularity,availability,low generation of harmonics,etc.However,the circulating current distorts the leg currents and increases the rated current of power devices,which further increases system cost.By controlling the circulating current as CCVS(current controlled voltage sources),this paper derived the circulating current m... |
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| Keywords: | Modular multilevel converter circulating current leg current current controlled voltage source negative sequence |
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