基于谐波阻抗矩阵约束的系统侧谐波阻抗估计方法

TM711; 谐波阻抗是谐波治理和谐波责任划分的重要参数,针对背景谐波波动的随机性,考虑基于诺顿等效电路方程的固有特点,提出一种基于谐波阻抗矩阵约束的谐波阻抗估计方法.针对复值信号在复数独立分量分析法的求解过程中存在的相角偏移问题,将谐波阻抗矩阵的结构加入复数独立分量分析的迭代过程中对其分离矩阵进行约束.分别基于符号判别法和比例缩放法解决次序不确定和幅值不确定性问题.所提方法对背景谐波波动适应性强,对数据点需求量少.仿真和实测结果说明了所提方法的正确性和有效性....

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Published in电力自动化设备 Vol. 41; no. 4; pp. 170 - 176
Main Authors 郑仙, 肖先勇, 王杨
Format Journal Article
LanguageChinese
Published 四川大学 电气工程学院,四川 成都 610065 10.04.2021
Subjects
谐波阻抗
谐波分析
背景谐波波动
复数独立分量分析
谐波阻抗矩阵约束
Online AccessGet full text
ISSN1006-6047
DOI10.16081/j.epae.202101022

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Abstract TM711; 谐波阻抗是谐波治理和谐波责任划分的重要参数,针对背景谐波波动的随机性,考虑基于诺顿等效电路方程的固有特点,提出一种基于谐波阻抗矩阵约束的谐波阻抗估计方法.针对复值信号在复数独立分量分析法的求解过程中存在的相角偏移问题,将谐波阻抗矩阵的结构加入复数独立分量分析的迭代过程中对其分离矩阵进行约束.分别基于符号判别法和比例缩放法解决次序不确定和幅值不确定性问题.所提方法对背景谐波波动适应性强,对数据点需求量少.仿真和实测结果说明了所提方法的正确性和有效性.
AbstractList TM711; 谐波阻抗是谐波治理和谐波责任划分的重要参数,针对背景谐波波动的随机性,考虑基于诺顿等效电路方程的固有特点,提出一种基于谐波阻抗矩阵约束的谐波阻抗估计方法.针对复值信号在复数独立分量分析法的求解过程中存在的相角偏移问题,将谐波阻抗矩阵的结构加入复数独立分量分析的迭代过程中对其分离矩阵进行约束.分别基于符号判别法和比例缩放法解决次序不确定和幅值不确定性问题.所提方法对背景谐波波动适应性强,对数据点需求量少.仿真和实测结果说明了所提方法的正确性和有效性.
Author 郑仙
肖先勇
王杨
AuthorAffiliation 四川大学 电气工程学院,四川 成都 610065
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ZHENG Xian
WANG Yang
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Keywords 谐波阻抗
谐波分析
背景谐波波动
复数独立分量分析
谐波阻抗矩阵约束
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Snippet TM711; 谐波阻抗是谐波治理和谐波责任划分的重要参数,针对背景谐波波动的随机性,考虑基于诺顿等效电路方程的固有特点,提出一种基于谐波阻抗矩阵约束的谐波阻抗估计方法.针...
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Title 基于谐波阻抗矩阵约束的系统侧谐波阻抗估计方法
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