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Recovery Algorithm of Power Metering Data Based on Collaborative Fitting

Author

Listed:
  • Yukun Xu

    (Electric Power Research Institute, State Grid Shanghai Municipal Electric Power Company, Shanghai 200051, China)

  • Xiangyong Kong

    (School of Electrical Engineering & Automation, Jiangsu Normal University, Xuzhou 221116, China)

  • Zheng Zhu

    (Electric Power Research Institute, State Grid Shanghai Municipal Electric Power Company, Shanghai 200051, China)

  • Chao Jiang

    (Electric Power Research Institute, State Grid Shanghai Municipal Electric Power Company, Shanghai 200051, China)

  • Shuang Xiao

    (Electric Power Research Institute, State Grid Shanghai Municipal Electric Power Company, Shanghai 200051, China)

Abstract

Electric energy metering plays a crucial role in ensuring fair and equitable transactions between grid companies and power users. With the implementation of the State Grid Corporation’s energy Internet strategy, higher requirements have been put forward for power grid companies to reduce costs and increase efficiency and user service capabilities. Meanwhile, the accuracy and real-time requirements for electric energy measurements have also increased. Electricity information collection systems are mainly used to collect the user-side energy metering data for the power users. Attributed to communication errors, communication delays, equipment failures and other reasons, some of the collected data is missed or confused, which seriously affects the refined management and service quality of power grid companies. How to deal with such data has been one of the important issues in the fields of machine learning and data mining. This paper proposes a collaborative fitting algorithm to solve the problem of missing collected data based on latent semantics. Firstly, a tree structure of user history data is established, and then the user groups adjacent to the user with missing data are obtained from this. Finally, the missing data are recovered using the alternating least-squares matrix factorization algorithm. Through numerical verification, this method has high reliability and accuracy in recoverying the missing data.

Suggested Citation

  • Yukun Xu & Xiangyong Kong & Zheng Zhu & Chao Jiang & Shuang Xiao, 2022. "Recovery Algorithm of Power Metering Data Based on Collaborative Fitting," Energies, MDPI, vol. 15(4), pages 1-19, February.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:4:p:1570-:d:754316
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    References listed on IDEAS

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