2022
DOI: 10.3390/en15093325
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Application of the Time-Domain Signal Analysis for Electrical Appliances Identification in the Non-Intrusive Load Monitoring

Abstract: The paper presents a novel method for non-intrusive appliances identification. It can be used for energy load disaggregation in a smart grid. The approach identifies changes in the state of the particular appliance by measuring and processing the common supply current signal. Analysis of the instantaneous changes in the aggregated current on the output of the analyzed circuit in the power network is exploited here. The signal is processed using the time alignment of the current and voltage signals samples repr… Show more

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Cited by 10 publications
(7 citation statements)
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“…1. The measuring system was adapted from [6]. Only Medium Frequency (MF) Unit with Advantech PCIE 1816 data acquisition card (DAQ) was used.…”
Section: A Experimental Setup and Datasetmentioning
confidence: 99%
See 3 more Smart Citations
“…1. The measuring system was adapted from [6]. Only Medium Frequency (MF) Unit with Advantech PCIE 1816 data acquisition card (DAQ) was used.…”
Section: A Experimental Setup and Datasetmentioning
confidence: 99%
“…Signals 𝑢 𝑡𝑜𝑡𝑎𝑙 , 𝑖 𝑡𝑜𝑡𝑎𝑙 and 𝑖 𝑗 from each registered sequence were transformed, as described in [6] to arrays 𝑈 𝐼 and 𝐼 𝑎𝑟𝑐 , respectively. Each column in the array represents samples from the single 50 Hz period 𝑘 = 1, … , 𝐾 .…”
Section: B Data Processing and Feature Extractionmentioning
confidence: 99%
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“…Earlier, the steady state characteristics of active power P and reactive power Q were often used for identification [ 6 ]. References [ 7 , 8 ] added features such as current waveform, harmonics, transient power waveform, and switching transient waveform for load identification based on the use of active and reactive power. In [ 9 ], the voltage and current signals were converted into two-dimensional images in combination with the V-I trajectory for load identification.…”
Section: Introductionmentioning
confidence: 99%