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文章摘要
基于互近似熵数据筛选的谐波源责任划分方法
Determining the harmonic contribution based on Cross- Approximation Entropy data filteringZhang Guojiang 1, Shi Mingming2, Zhang Chenyu2, Sha Haoyuan3, Changjia She3 and Zheng Jianyong3
Received:September 11, 2019
Revised:September 11, 2019
DOI：
10.19753/j.issn1001-1390.2022.07.020
中文关键词
:
背景谐波
互近似熵
谐波阻抗
谐波责任
英文关键词
:
background harmonic
CAE
harmonic impedance
harmonic contribution
基金项目
:
Author Name
Affiliation
E-mail
fuhui
state Grid
,
Jiangsu Electric Power Co. Ltd
2113559206@qq.com
zhangguojiang
state Grid
,
Jiangsu Electric Power Co. Ltd
1807402584@qq.com
shimingming
State Grid
,
Jiangsu Electric Power Co. Ltd. Research Institute
419489941@qq.com
zhangchenyu
State Grid
,
Jiangsu Electric Power Co. Ltd. Research Institute
zcy530@sina.com
shahaoyuan
*
School of Electrical Engineering
,
Southeast University
230189232@seu.edu.cn
fanzhong
State Grid Jiangsu Electric Power CO.
,
LTD
15162121771@163.com
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中文摘要
:
针对背景谐波波动影响谐波责任划分准确性的问题,本文提出了基于互近似熵数据筛选的谐波源责任划分方法。首先计算谐波电压、电流数据段的互近似熵(Cross Approximation Entropy, CAE)值,利用阈值筛选的方法,保留波形模式相似的数据区段,以达到排除背景谐波干扰的目的。然后利用M估计稳健回归法对保留数据进行回归计算,规避异常值对系统谐波阻抗回归计算的干扰,从而实现准确的谐波责任划分。最后,仿真分析结果验证了该方法的准确性和优越性。
英文摘要
:
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