SPICE-Aided Modeling of Daily and Seasonal Changes in Properties of the Actual Photovoltaic Installation

Krzysztof Górecki, Jacek Dąbrowski and Ewa Krac
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Krzysztof Górecki: Department of Marine Electronics, Gdynia Maritime University, Morska 83, 81-225 Gdynia, Poland
Jacek Dąbrowski: Department of Marine Electronics, Gdynia Maritime University, Morska 83, 81-225 Gdynia, Poland
Ewa Krac: Department of Marine Electronics, Gdynia Maritime University, Morska 83, 81-225 Gdynia, Poland

Energies, 2021, vol. 14, issue 19, 1-14

Abstract: This article proposes a model of an actual photovoltaic installation situated in the Gdynia Maritime University, Poland. This model is formulated in the form of a SPICE network. In the presented model, the influence of selected weather parameters and thermal phenomena on the properties of the components of this installation are taken into account. The structure of the analyzed installation and the form of the formulated model are both presented. By means of this model, values of the power produced by the installation considered in different seasons and different times of the day are computed. The obtained computation results are compared to the measurement results. Good agreement between the results of measurements and computations is obtained. The obtained results of the investigations confirm the considerable influence of weather conditions, as well as daily and seasonal changes in solar irradiation and the ambient temperature, on the electrical energy produced. In the summer months, a decrease in the energy efficiency of the conversion of solar energy into electrical energy in comparison to the winter months is also visible and can even be twofold.

Keywords: photovoltaic installation; modeling; SPICE; thermal phenomena; weather parameters (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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