| 基于纹波转移MMC子模块电容电压脉动抑制研究 |
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| 引用本文： | 陈永福,董纪清,毛行奎.基于纹波转移MMC子模块电容电压脉动抑制研究[J].电气开关,2021,59(2):16-20. |
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| 作者姓名： | 陈永福 董纪清 毛行奎 |
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| 作者单位： | 福州大学电气工程与自动化学院,福建 福州 350108 |
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| 基金项目： | 福建省自然科学基金项目(2018J01756);晋江市福大科教园区发展中心科研项目(No.2019-JJFDKY-45)。 |
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| 摘 要： | 模块化多电平变换器(MMC)是一种具有广阔应用前景的多电平拓扑。论文首先推导了MMC桥臂功率的数学模型,然后提出了一种适用于MMC子模块的有源功率解耦方案,并设计了适当的控制策略来抑制子模块的纹波功率。最后设计了一台额定功率为400W的实验样机,通过实验验证了该方案的可行性。
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| 关 键 词： | 模块化多电平变换器(MMC) 有源功率滤波技术(APF) 滞环电流控制 电压纹波抑制 |
Research on Active Power Decoupling for Modular Multilevel Converter Sub-module Capacitor Voltage Ripple Suppression |
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| CHEN Yong-fu,DONG Ji-qing,MAO Xing-kui.Research on Active Power Decoupling for Modular Multilevel Converter Sub-module Capacitor Voltage Ripple Suppression[J].Electric Switchgear,2021,59(2):16-20. |
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| Authors: | CHEN Yong-fu DONG Ji-qing MAO Xing-kui |
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| Affiliation: | (College of Electrical Engineering and Automation,Fuzhou University,Fuzhou 350108,China) |
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| Abstract: | The modular multilevel converter(MMC)is a promising multilevel topology.This paper firstly introduces the mathematical expression of MMC arm powers is derived,and then an active power decoupling scheme suitable for MMC submodule is proposed,and an appropriate control strategy is designed to suppress the ripple power of the submodule.Finally,an experimental prototype with rated power of 400W is designed.Experimental results was made to verify the feasibility of the control strategy. |
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| Keywords: | modular multilevel converter(MMC) active power decupling(APF) hysteretic current control voltage ripple suppression |
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