An improved non-intrusive load monitoring method for recognition of Electric Vehicle Battery charging load

Peng Zhang*, Chengke Zhou, Brian G. Stewart, Donald M. Hepburn, Wenjun Zhou, Jianhui Yu

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    24 Citations (Scopus)
    24 Downloads (Pure)

    Abstract

    Non-intrusive load monitoring (NILM) is a convenient method to determine the electrical energy consumption and operation of individual appliances based on analysis of composite load measured at the entry of a building. It avoids installation of parallel sensors for monitoring individual appliances and could be applied in the smart metering system to obtain useful information for load management. This paper presents an improved NILM method that is capable of recognizing Electric Vehicle Battery (EVB) charging as a load type. Based on the proposed framework, a special pattern recognition algorithm is used to perform load disaggregation. A random switching simulator is developed to examine the performance of the improved NILM under various scenarios. The results demonstrate that the EVB charging load is recognized as well as other traditional appliances. The overall success rate of the disaggregation reaches 94.5% at typical circumstance. Through sensitivity analysis it is also shown that the EVB charging load makes a small impact on the overall performance.
    Original languageEnglish
    Title of host publicationThe Proceedings of International Conference on Smart Grid and Clean Energy Technologies: ICSGCE 2011
    EditorsQi Huang, Jason Z. Kang
    PublisherElsevier B.V.
    Pages104-112
    Number of pages9
    Volume12
    ISBN (Print)9781627484138
    DOIs
    Publication statusPublished - 2011
    Event1st International Conference on Smart Grid and Clean Energy Technologies - Chengdu, China
    Duration: 27 Sept 201130 Sept 2011

    Publication series

    NameEnergy Procedia
    PublisherElsevier B.V.
    ISSN (Print)1876-6102

    Conference

    Conference1st International Conference on Smart Grid and Clean Energy Technologies
    Abbreviated titleICSGCE 2011
    Country/TerritoryChina
    CityChengdu
    Period27/09/1130/09/11

    Keywords

    • Electric Vehicle Battery
    • Non-intrusive Load Monitoring
    • Pattern recognition
    • Smart metering

    ASJC Scopus subject areas

    • General Energy

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