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http://dx.doi.org/10.5370/JEET.2013.8.3.572

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)
Publication Information
Journal of Electrical Engineering and Technology / v.8, no.3, 2013 , pp. 572-580 More about this Journal
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.
Keywords
Non-Intrusive Load Monitoring; Home electrical appliance; Signature Identification;
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