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1.智能电网运行与控制湖南省重点实验室(长沙理工大学),湖南省长沙市 410004
2.中国电力科学研究院有限公司,北京市 100085
金晟(1996—),男,硕士研究生,主要研究方向:电力系统大数据应用分析。E-mail:1467445457@qq.com
苏盛(1975—),男,通信作者,教授,博士生导师,主要研究方向:电力系统网络安全防护与反窃电。E-mail:eessheng@163.com
曹一家(1969—),男,教授,博士生导师,主要研究方向:电力信息集成与网络化控制。E-mail:yjcao@csust.edu.cn
收稿日期:2020-03-02,
修回日期:2020-07-11,
网络出版日期:2020-09-28,
纸质出版日期:2020-12-10
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金晟,苏盛,曹一家等.基于格兰杰归因分析的高损台区窃电检测[J].电力系统自动化,2020,44(23):82-89.
JIN Sheng,SU Sheng,CAO Yijia,et al.Electricity-theft Detection for High-loss Distribution Area Based on Granger Causality Analysis[J].Automation of Electric Power Systems,2020,44(23):82-89.
金晟,苏盛,曹一家等.基于格兰杰归因分析的高损台区窃电检测[J].电力系统自动化,2020,44(23):82-89. DOI: 10.7500/AEPS20200302011.
JIN Sheng,SU Sheng,CAO Yijia,et al.Electricity-theft Detection for High-loss Distribution Area Based on Granger Causality Analysis[J].Automation of Electric Power Systems,2020,44(23):82-89. DOI: 10.7500/AEPS20200302011.
配电台区中,用户窃电将增大台区线损电量,窃电电量直接对应非技术线损,并与台区线损电量间存在因果关系。分析指出,常见窃电手法中窃电用户的窃电量多与电表计量电量呈正相关关系,这将使得线损电量与窃电用户的计量电量之间存在隐含的因果关系。以此为基础,提出基于格兰杰归因分析的高损台区窃电检测方法。通过协整检验及格兰杰检验分析用户用电量与台区线损时间序列间的长期趋势及格兰杰因果关系,将对台区线损影响突出的用户识别为窃电用户。基于实际高损台区和高损线路用户数据的测试算例和现场稽查验证了所提方法的有效性。
In the distribution area
the line loss power increases with user electricity-theft. Electricity-theft power directly corresponds to the non-technical line loss
and has a causal relationship with the line loss of the distribution area. It is pointed out that there is a positive correlation between electricity-theft quantity of users and electricity quantity of electric meters
which leads to the implicit causal relationship between the line loss and electricity quantity of electricity-theft users. On this basis
a method for detecting electricity-theft in high-loss distribution area based on Granger causality analysis is proposed. The long-term trend and Granger causality relationship between electricity consumption quantity and line loss time series in the distribution area are analyzed through co-integration test and Granger causality test
and users who have significant impact on line loss are identified as electricity-theft users. The validity of the proposed method is proven by test experiments and field inspection based on the actual high-loss distribution area and high-loss line data.
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