Benefits of three-phase metering for load disaggregation

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With the ever increasing pace of introduction of energy intensive devices and services, such as electric vehicle (EV) charging and heat pumps, the transition to smart metering for three-phase electric installations for nationwide smart meter roll-outs is underway. In this paper, we explore how three-phase metering can benefit nonintrusive load monitoring (NILM), especially for those appliances that are difficult to disaggregate and not widely reported in the literature. Traditionally, the NILM literature tends to tackle three-phase metering by summing the three phases, without exploiting the potential benefits of load disaggregation per phase. Emphasis is placed on the disaggregation performance and loss that is introduced when using different levels of granularity of low-frequency data. Finally, we augment a public dataset with which phase the appliance is connected to, and release a three-phase electric vehicle dataset from three-phase aggregate measurements.
Original languageEnglish
Title of host publicationProceedings of the 9th ACM International Conference on Systems for Energy-Efficient Buildings, Cities, and Transportation
Place of PublicationNew York, NY, USA
PublisherAssociation for Computing Machinery (ACM)
Number of pages5
ISBN (Print)9781450398909
Publication statusPublished - 11 Nov 2022

Publication series

NameBuildSys '22
PublisherAssociation for Computing Machinery (ACM)


  • non-intrusive load monitoring (NILM)
  • energy disaggregation
  • deep NILM
  • 3-phase load


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