Load Signature Formulation for Non-Intrusive Load Monitoring Based on Current Measurements
AbstractIn this paper we present a new methodology for the formulation of efficient load signatures towards the implementation of a near-real time Non-Intrusive Load Monitoring (NILM) approach. The purpose of this work relies on defining representative current values regarding the 1st, 3rd and 5th harmonic orders to be utilized in the load signatures formulation. A measurement setup has been developed and steady-state measurements have been performed in a Low Voltage residence. A data processing methodology is proposed aiming to depict representative current values for each harmonic order in order to keep the load signature short and simple. In addition, a simple disaggregation scheme is proposed under linear equations for the disaggregation mode in order to examine the near-real time application of the methodology. The analysis indicates that the developed load signatures could be efficient for a per second application rate of the NILM algorithm. The results show that the higher harmonic currents facilitate the identification performance. Finally, the analysis concludes that for combinations that include appliances with intense harmonic content, the phase angle of the higher for harmonic currents should also be considered to the load signatures formulation. View Full-Text
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Bouhouras, A.S.; Gkaidatzis, P.A.; Chatzisavvas, K.C.; Panagiotou, E.; Poulakis, N.; Christoforidis, G.C. Load Signature Formulation for Non-Intrusive Load Monitoring Based on Current Measurements. Energies 2017, 10, 538.
Bouhouras AS, Gkaidatzis PA, Chatzisavvas KC, Panagiotou E, Poulakis N, Christoforidis GC. Load Signature Formulation for Non-Intrusive Load Monitoring Based on Current Measurements. Energies. 2017; 10(4):538.Chicago/Turabian Style
Bouhouras, Aggelos S.; Gkaidatzis, Paschalis A.; Chatzisavvas, Konstantinos C.; Panagiotou, Evangelos; Poulakis, Nikolaos; Christoforidis, Georgios C. 2017. "Load Signature Formulation for Non-Intrusive Load Monitoring Based on Current Measurements." Energies 10, no. 4: 538.
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