Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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Load Profile Disaggregation Method for Home Appliances Using Active Power Consumption

  • Park, Herie (Dept. of electrical engineering and industrial computer science, University of Cergy-Pontoise, France/Dept. of electrical engineering, Yeungnam University)
  • Received : 2011.11.09
  • Accepted : 2013.01.14
  • Published : 2013.05.01
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Abstract

Power metering and monitoring system is a basic element of Smart Grid technology. This paper proposes a new Non-Intrusive Load Monitoring (NILM) method for a residential buildings sector using the measured total active power consumption. Home electrical appliances are classified by ON/OFF state models, Multi-state models, and Composite models according to their operational characteristics observed by experiments. In order to disaggregate the operation and the power consumption of each model, an algorithm which includes a switching function, a truth table matrix, and a matching process is presented. Typical profiles of each appliances and disaggregation results are shown and classified. To improve the accuracy, a Time Lagging (TL) algorithm and a Permanent-On model (PO) algorithm are additionally proposed. The method is validated as comparing the simulation results to the experimental ones with high accuracy.

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References

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