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文章摘要
500kV线路阻抗参数数据分析及可信度研究
Data Analysis and Credibility Study of Impedance Parameters of 500kV Transmission Line
Received:May 22, 2019  Revised:May 22, 2019
DOI：10.19753/j.issn1001-1390.2019.015.011
中文关键词: 数据分析  数据挖掘模型  参数辨识  参数预测
英文关键词: data analysis  data mining model  parameter identification  parameter prediction
基金项目:
Author NameAffiliationE-mail
qiuzhiyong* East China Branch of State Grid Corporation lzw977@sina.com 
倪腊琴   
cuishuai East China Branch of State Grid Corporation lwl20120724@126.com 
龚仁敏   
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中文摘要:
      针对继电保护整定计算中现有线路参数可能存在的缺陷，本文提出基于数据分析方法辨识线路阻抗参数。通过500kV线路阻抗参数的数据挖掘实践，总结了数据分析的思路与方法；基于Tableau建立了线路参数数据挖掘模型，通过数据的可视化展现，发现阻抗参数数据特征；从理论计算与阻抗参数实测法出发，论证分析了影响数据特征背后的机理；基于统计学的中心极限定理，提出了一种结合线路阻抗参数各指标数据特征的单位阻抗实测参数的预测方法，为整定计算线路阻抗参数的辨识及获取提出了新的方法。其研究方法对其他数据分析的研究应用有借鉴作用。
英文摘要:
      
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