User electricity stealing behavior identification method based on non-negative matrix factorization and density clustering
A non-negative matrix decomposition and density clustering technology, applied in the field of anti-theft electricity analysis, can solve the problems of difficult work, threats to safe electricity use, huge indirect losses, etc., to improve recognition accuracy, reduce recognition time, and improve development. The effect of efficiency
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[0047] See figure 1 , Which shows an implementation flowchart of the identification method provided by the embodiment of the present invention.
[0048] 1. In step S101, the user's electricity consumption data is prepared.
[0049] In the embodiment of the present invention, it is necessary to prepare user power consumption data first, including two steps of data source selection and data screening and cleaning.
[0050] When selecting the data source, the electricity consumption data of 2000 users in the Hebei Electric Power Company's electricity information collection system and marketing business application system were used as the research users, including the verified 300 stealing users. Using the electricity information collection system and the marketing business application system as the data source, extract the electricity load, event records and file information of the users who have been verified in the past three years.
[0051] User power load information includes user cu...
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