基于线性滤波器的三相四线制谐波电流检测

TM714.3; 针对三相四线制电力系统的结构特点及现有谐波检测方法的不足,提出了一种基于二维线性滤波器和瞬时对称分量计算的不对称三相四线制谐波电流检测新算法.该算法的检测原理是利用二维线性滤波器分别检测出各相不对称基波电流,通过改进瞬时对称分量法得到各相电流基波正序分量,从而检测出各相谐波电流.理论推导和Simulink仿真结果表明,该方法能够准确快速地检测出三相四线制电力系统中的谐波电流及无功电流,具有较好的动静态性能....

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Published in电力系统保护与控制 Vol. 39; no. 9; pp. 44 - 58
Main Authors 邱晓初, 肖建, 吴昌东
Format Journal Article
LanguageChinese
Published 西华大学,四川成都610039%西南交通大学,四川成都,610031%西华大学,四川成都,610039 2011
西南交通大学,四川成都610031
Subjects
有源滤波器
二维线性滤波器
谐波检测
瞬时对称分量法
不对称三相四线制系统
Online AccessGet full text
ISSN1674-3415
DOI10.3969/j.issn.1674-3415.2011.09.009

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Abstract TM714.3; 针对三相四线制电力系统的结构特点及现有谐波检测方法的不足,提出了一种基于二维线性滤波器和瞬时对称分量计算的不对称三相四线制谐波电流检测新算法.该算法的检测原理是利用二维线性滤波器分别检测出各相不对称基波电流,通过改进瞬时对称分量法得到各相电流基波正序分量,从而检测出各相谐波电流.理论推导和Simulink仿真结果表明,该方法能够准确快速地检测出三相四线制电力系统中的谐波电流及无功电流,具有较好的动静态性能.
AbstractList TM714.3; 针对三相四线制电力系统的结构特点及现有谐波检测方法的不足,提出了一种基于二维线性滤波器和瞬时对称分量计算的不对称三相四线制谐波电流检测新算法.该算法的检测原理是利用二维线性滤波器分别检测出各相不对称基波电流,通过改进瞬时对称分量法得到各相电流基波正序分量,从而检测出各相谐波电流.理论推导和Simulink仿真结果表明,该方法能够准确快速地检测出三相四线制电力系统中的谐波电流及无功电流,具有较好的动静态性能.
Author 邱晓初
吴昌东
肖建
AuthorAffiliation 西南交通大学,四川成都610031;西华大学,四川成都610039%西南交通大学,四川成都,610031%西华大学,四川成都,610039
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Author_FL WU Chang-dong
XIAO Jian
QIU Xiao-chu
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Keywords 有源滤波器
二维线性滤波器
谐波检测
瞬时对称分量法
不对称三相四线制系统
Language Chinese
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Publisher 西华大学,四川成都610039%西南交通大学,四川成都,610031%西华大学,四川成都,610039
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Snippet TM714.3; 针对三相四线制电力系统的结构特点及现有谐波检测方法的不足,提出了一种基于二维线性滤波器和瞬时对称分量计算的不对称三相四线制谐波电流检测新算法.该算法的检...
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