Application of Meteorological Variables for the Estimation of Static Load Model Parameters

Aleksandar S. Jović, Lidija M. Korunović and Sasa Z. Djokic
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Aleksandar S. Jović: Elektrodistribucija Srbije, Branch Elektrodistribucija Leskovac, 16000 Leskovac, Serbia
Lidija M. Korunović: Faculty of Electronic Engineering, University of Niš, A. Medvedeva 14, 18000 Niš, Serbia
Sasa Z. Djokic: School of Engineering, The University of Edinburgh, Room 112, Faraday Building, Colin MacLaurin Road, Edinburgh EH9 3DW, UK

Energies, 2021, vol. 14, issue 16, 1-17

Abstract: This paper presents a novel approach for estimating the parameters of the most frequently used static load model, which is based on the use of meteorological variables and is an alternative to the commonly used but time-consuming measurement-based approach. The presented model employs five frequently reported meteorological variables (ambient temperature, relative humidity, atmospheric pressure, wind speed, and wind direction) and the load model parameters as the independent and dependent variables, respectively. The analysis compared the load model parameters obtained by using all five meteorological variables and also when the meteorological variables with the lowest influence are omitted successively (one by one) from the model. It is recommended based on these results to use the model with the maximum accuracy, i.e., with five meteorological variables. The model was validated on a validation set of measurements, demonstrating its applicability for the estimation of load model parameters when the measurements of electrical variables for parameter identification are not available. Finally, load model parameters of the analyzed demand were estimated on the basis of only ambient temperature, and it was found that such a linear model can be used with a similar accuracy as the models with up to four meteorological variables.

Keywords: load model; low voltage network; meteorological variables; static load characteristics (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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