多通道HVDC附加频率最优控制器设计
TM762; 为提高HVDC(高压直流输电)的输电能力,提出一种多通道的控制方法.控制信号通过But-terworth带通滤波器在各通道中定位运行,减小了不同频率信号间的相互耦合影响;运用改进的TLS-ESPRIT(最小二乘旋转不变辨识)算法,辨识出系统在不同频率段的开环传递函数;利用最优控制算法并结合平衡截断法降阶,得出不同频段下阶数相对较低的最优控制器,兼顾最优性以及鲁棒性,并与传统的PI(比例-积分)控制器进行对比.在PSCAD/EMTDC中搭建模型进行仿真实验,结果表明多通道最优控制器可以很好地抑制多模态下的频率振荡,具有较好的鲁棒性能,其采用输出反馈更有利于工程实践....
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Published in | 浙江电力 Vol. 40; no. 3; pp. 8 - 15 |
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Main Authors | , , , , , , |
Format | Journal Article |
Language | Chinese |
Published |
国网浙江省电力有限公司舟山供电公司,浙江 舟山 316021
2021
|
Subjects | |
Online Access | Get full text |
ISSN | 1007-1881 |
DOI | 10.19585/j.zjdl.202103002 |
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Abstract | TM762; 为提高HVDC(高压直流输电)的输电能力,提出一种多通道的控制方法.控制信号通过But-terworth带通滤波器在各通道中定位运行,减小了不同频率信号间的相互耦合影响;运用改进的TLS-ESPRIT(最小二乘旋转不变辨识)算法,辨识出系统在不同频率段的开环传递函数;利用最优控制算法并结合平衡截断法降阶,得出不同频段下阶数相对较低的最优控制器,兼顾最优性以及鲁棒性,并与传统的PI(比例-积分)控制器进行对比.在PSCAD/EMTDC中搭建模型进行仿真实验,结果表明多通道最优控制器可以很好地抑制多模态下的频率振荡,具有较好的鲁棒性能,其采用输出反馈更有利于工程实践. |
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AbstractList | TM762; 为提高HVDC(高压直流输电)的输电能力,提出一种多通道的控制方法.控制信号通过But-terworth带通滤波器在各通道中定位运行,减小了不同频率信号间的相互耦合影响;运用改进的TLS-ESPRIT(最小二乘旋转不变辨识)算法,辨识出系统在不同频率段的开环传递函数;利用最优控制算法并结合平衡截断法降阶,得出不同频段下阶数相对较低的最优控制器,兼顾最优性以及鲁棒性,并与传统的PI(比例-积分)控制器进行对比.在PSCAD/EMTDC中搭建模型进行仿真实验,结果表明多通道最优控制器可以很好地抑制多模态下的频率振荡,具有较好的鲁棒性能,其采用输出反馈更有利于工程实践. |
Author | 朱显亮 李程 徐恩 王海浩 顾文涛 俞兴伟 刘震天 |
AuthorAffiliation | 国网浙江省电力有限公司舟山供电公司,浙江 舟山 316021 |
AuthorAffiliation_xml | – name: 国网浙江省电力有限公司舟山供电公司,浙江 舟山 316021 |
Author_FL | XU En LIU Zhentian GU Wentao LI Cheng YU Xingwei WANG Haihao ZHU Xianliang |
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Author_xml | – sequence: 1 fullname: 朱显亮 – sequence: 2 fullname: 俞兴伟 – sequence: 3 fullname: 顾文涛 – sequence: 4 fullname: 徐恩 – sequence: 5 fullname: 刘震天 – sequence: 6 fullname: 王海浩 – sequence: 7 fullname: 李程 |
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DocumentTitle_FL | Design of Multi-Channel Additional Frequency Optimal Controller for HVDC Transmission System |
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Keywords | 最优控制 带通滤波器 多通道 鲁棒性 |
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Title | 多通道HVDC附加频率最优控制器设计 |
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