首页|期刊导航|电力建设|多端柔直换流站高频谐振及传播机理分析与抑制

多端柔直换流站高频谐振及传播机理分析与抑制OACSTPCD

Analysis and Suppression of High-Frequency Resonance and Propagation Mechanism in Multiterminal Flexible Direct Converter Station

中文摘要英文摘要

针对空载线路投入引起的多端柔性直流(modular multilevel converter multi-terminal direct current,MMC-MTDC)输电系统高频谐振的问题,首先建立了 MMC高频简化阻抗模型,基于阻抗分析法分析了空载线路投入引发单个MMC发生高频谐振的电气机理,分析发现由于空载线路投入使得MMC交流侧等效阻抗在高频段呈现负阻尼,继而引发高频谐振.而后针对不同控制方式下的受端换流站进行联合建模,通过对高频谐振…查看全部>>

To address the issue of high-frequency resonance in multiterminal flexible direct current(DC)transmission systems caused by unloaded line input,a simplified impedance model is established for MMC in the high-frequency range.Based on the impedance analysis,the electrical mechanism of high-frequency resonance in a single MMC caused by an unloaded line input was analyzed.The analysis shows that owing to the unloaded line input,the MMC AC-side equivalent impedan…查看全部>>

陈继开;孙崇博;李阳;张嘉扬

现代电力系统仿真控制与绿色电能新技术教育部重点实验室(东北电力大学),吉林省吉林市 132012现代电力系统仿真控制与绿色电能新技术教育部重点实验室(东北电力大学),吉林省吉林市 132012现代电力系统仿真控制与绿色电能新技术教育部重点实验室(东北电力大学),吉林省吉林市 132012现代电力系统仿真控制与绿色电能新技术教育部重点实验室(东北电力大学),吉林省吉林市 132012

动力与电气工程

多端柔性直流(MMC-MTDC)高频谐振阻抗分析法能量传播路径

modular multilevel converter multiterminal direct current(MMC-MTDC)high-frequency resonanceimpedance analysisenergy propagation path

《电力建设》 2024 (2)

多元异构变流器密集并网耦合失稳机理分析与自主防御方法研究

26-36,11

This work is supported by National Natural Science Foundation of China(No.52077030).国家自然科学基金项目(52077030)

10.12204/j.issn.1000-7229.2024.02.003

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