| 基于MMC的轻型高压直流输电系统的建模与控制 |
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| 引用本文： | 郭家虎,廖其艳.基于MMC的轻型高压直流输电系统的建模与控制[J].工矿自动化,2011,37(10):34-38. |
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| 作者姓名： | 郭家虎 廖其艳 |
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| 作者单位： | 1. 安徽理工大学电气与信息工程学院,安徽淮南232001;上海交通大学风力发电研究中心,上海200240
2. 安徽理工大学电气与信息工程学院,安徽淮南,232001 |
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| 基金项目： | 国家自然科学基金资助项目(50907001); 中国博士后基金资助项目(20090450692); 上海市科技支撑计划项目(09dz1201303); 上海市博士后基金资助项目(09R21414000) |
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| 摘 要： | 针对基于电压源变换器VSC的高压直流HVDC输电系统存在输出电压低次谐波含量多、需要体积庞大的滤波器和变压器、串联器件的动态均压等问题,提出了一种基于模块化多电平变换器MMC的轻型HVDC输电系统的设计方案;根据建立的MMC-HDVC输电系统的数学模型,详细介绍了该系统控制策略的实现。该控制策略从装置级和系统级两个方面控制MMC-HVDC输电系统,分别实现子模块电容电压的平衡控制及系统的功率解耦控制。仿真结果验证了该系统的可行性与有效性。
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| 关 键 词： | 高压直流输电 模块化多电平变换器 平衡控制 功率解耦控制 |
Modeling and Control of Light HVDC Transmission System Based on MMC |
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| GUO Jia-hu,LIAO Qi-yan.Modeling and Control of Light HVDC Transmission System Based on MMC[J].Industry and Automation,2011,37(10):34-38. |
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| Authors: | GUO Jia-hu LIAO Qi-yan |
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| Affiliation: | GUO Jia-hu1,2,LIAO Qi-yan1(1.School of Electrical and Information Engineering of Anhui University of Science and Technology,Huainan 232001,China.2.Wind Power Research Center of Shanghai Jiaotong University,Shanghai 200240,China) |
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| Abstract: | In view of problems of low-order harmonics in output voltage,needing filter and transformer with big volume and dynamic voltage balancing of series components of HVDC transmission system based on VSC,the paper proposed a design scheme of light HVDC transmission system based on MMC.It detailedly introduced implementation of control strategy according to built mathematic model of MMC-HDVC transmission system.The control strategy controls MMC-HDVC transmission system in term of device level and system level,wh... |
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| Keywords: | HVDC transmission MMC balance control power decoupling control |
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