Improved impedance mathematical model of a solar cell

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dc.contributor.authorMartynyuk, V.
dc.contributor.authorRadelchuk, G.
dc.contributor.authorShpak, O.
dc.date.accessioned2019-12-22T12:22:02Z
dc.date.available2019-12-22T12:22:02Z
dc.date.issued2019
dc.description.abstractThe problem of finding alternative energy sources has become particularly important over the last few decades. The reasons for this are insufficient extraction of fossil fuels, primarily oil and gas, as well as environmental pollution caused by their use. On the other hand, solar energy is a free, almost everywhere available resource that allows generating environmentally friendly electricity without the least harm to the environment. In view of this, solar power is one of the most promising areas of rapidly developing alternative energy. Nowadays, semiconductor devices with p-n-junction, which are called solar cells or photocells, have become widely used in the field of solar power. In such devices, due to the internal photoelectric effect under the influence of solar radiation, there is a redistribution of charges that causes emergence of electromotive force, so that it becomes possible to directly convert solar energy into electric energy. The one-diode mathematical model of the solar cell is analyzed in the paper. The solar cell is characterized by impedance which depends of environmental conditions. The laboratory workbench is designed to measure the impedance of the solar cell. The improved impedance mathematical model of a solar cell is proposed. It consists of: the serial resistance, barrier capacitance, barrier resistance, diffusion resistance and fractional order diffusion capacitance. The experimental Nyquist plot was fitted by using of the improved expression for impedance of the solar cell.uk_UA
dc.identifier.citationMartynyuk V. Improved impedance mathematical model of a solar cell [Текст] / V. Martynyuk, G. Radelchuk, O. Shpak // Вимірювальна та обчислювальна техніка в технологічних процесах. – 2019. – № 1. – С. 5-9.uk_UA
dc.identifier.issn2219-9365
dc.identifier.otherDOI: 10.31891/2219-9365-2019-63-1-5-9
dc.identifier.urihttps://elar.khmnu.edu.ua/handle/123456789/8265
dc.language.isoenuk_UA
dc.publisherХмельницький національний університетuk_UA
dc.subjectsolar celluk_UA
dc.subjectone-diode mathematical modeluk_UA
dc.subjectimpedanceuk_UA
dc.subjectNyquist plotuk_UA
dc.subject.udc620.91uk_UA
dc.titleImproved impedance mathematical model of a solar celluk_UA
dc.typeСтаттяuk_UA
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