Detection of energy theft and defective smart meters in smart grids using linear regression

Yip, S.C. and Wong, K. and Hew, W.P. and Gan, M.T. and Phan, R.C.W. and Tan, S.W. (2017) Detection of energy theft and defective smart meters in smart grids using linear regression. International Journal of Electrical Power & Energy Systems, 91. pp. 230-240. ISSN 0142-0615

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Official URL: https://doi.org/10.1016/j.ijepes.2017.04.005

Abstract

The utility providers are estimated to lose billions of dollars annually due to energy theft. Although the implementation of smart grids offers technical and social advantages, the smart meters deployed in smart grids are susceptible to more attacks and network intrusions by energy thieves as compared to conventional mechanical meters. To mitigate non-technical losses due to electricity thefts and inaccurate smart meters readings, utility providers are leveraging on the energy consumption data collected from the advanced metering infrastructure implemented in smart grids to identify possible defective smart meters and abnormal consumers’ consumption patterns. In this paper, we design two linear regression-based algorithms to study consumers’ energy utilization behavior and evaluate their anomaly coefficients so as to combat energy theft caused by meter tampering and detect defective smart meters. Categorical variables and detection coefficients are also introduced in the model to identify the periods and locations of energy frauds as well as faulty smart meters. Simulations are conducted and the results show that the proposed algorithms can successfully detect all the fraudulent consumers and discover faulty smart meters in a neighborhood area network.

Item Type: Article
Uncontrolled Keywords: Energy theft detection; Defective meter detection; Smart Grid; Linear regression; Categorical variable
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 31 Jul 2017 06:07
Last Modified: 31 Jul 2017 06:07
URI: http://eprints.um.edu.my/id/eprint/17579

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