{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,3,4]],"date-time":"2025-03-04T05:13:27Z","timestamp":1741065207497,"version":"3.38.0"},"reference-count":26,"publisher":"SAGE Publications","issue":"11","license":[{"start":{"date-parts":[[2014,10,1]],"date-time":"2014-10-01T00:00:00Z","timestamp":1412121600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["SIMULATION"],"published-print":{"date-parts":[[2014,11]]},"abstract":" Starting with the experience that the output voltage and the output current of a photovoltaic panel are not pure direct current constants due to the inevitable connection to a converter (or inverter) that is working as a switching system, we came to the conclusion that interest exists for the behavior of the solar cell at the frequencies of the harmonics of the converter\u2019s switching frequency, which is subject to change according to the maximum power-point tracking. In other words, a need exists for frequency domain characterization of the solar cell, for which a linear small-signal model is necessary. To enable simulation for small signals, development of a linear reactive model was considered. Since a one-diode large-signal model already exists, it was used as a basis for the extraction of the parameters of the small-signal model. The new model was represented in the form of a parallel RC two-terminal circuit, the R and C being functions of the photocurrent (acting as a map of the illumination) and the diode voltage. Since the R and C of the model are quiescent-point dependent, their values as a function of the illumination and the diode voltages were approximated by artificial neural networks (ANNs). Separate ANNs were created for modeling R and C. To verify the model, two small-signal simulations were performed. The first one was done with the existing nonlinear model, while the second was done with the new linear model (running the ANNs). Excellent agreement was obtained. <\/jats:p>","DOI":"10.1177\/0037549714551290","type":"journal-article","created":{"date-parts":[[2014,10,2]],"date-time":"2014-10-02T06:24:27Z","timestamp":1412231067000},"page":"1231-1243","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["A small-signal model of a solar cell"],"prefix":"10.1177","volume":"90","author":[{"given":"Miona","family":"Andrejevi\u0107 Sto\u0161ovi\u0107","sequence":"first","affiliation":[{"name":"Faculty of Electronic Engineering, University of Ni\u0161, Serbia"}]},{"given":"Ivan","family":"Litovski","sequence":"additional","affiliation":[{"name":"Accenture plc, UK"}]},{"given":"Du\u0161ko","family":"Luka\u010d","sequence":"additional","affiliation":[{"name":"Rheinische Fachhochschule, Deutschland"}]},{"given":"Marko","family":"Dimitrijevi\u0107","sequence":"additional","affiliation":[{"name":"Faculty of Electronic Engineering, University of Ni\u0161, Serbia"}]},{"given":"Van\u010do","family":"Litovski","sequence":"additional","affiliation":[{"name":"Faculty of Electronic Engineering, University of Ni\u0161, Serbia"}]}],"member":"179","published-online":{"date-parts":[[2014,10,1]]},"reference":[{"key":"bibr1-0037549714551290","unstructured":"Padmanabhan B. Modeling of solar cells. Master\u2019s Thesis, Arizona State University, http:\/\/nanohub.org\/resources\/9120\/download\/%EE%80%80Solar_Cells%EE%80%81_Numerical_Solution.pdf (2008)."},{"key":"bibr2-0037549714551290","doi-asserted-by":"publisher","DOI":"10.1109\/JLT.2008.922148"},{"first-page":"83","volume-title":"7th international symposium Nikola Tesla","author":"Andrejevi\u0107 Sto\u0161ovi\u0107 M","key":"bibr3-0037549714551290"},{"key":"bibr4-0037549714551290","doi-asserted-by":"publisher","DOI":"10.1109\/PTC.2011.6019232"},{"first-page":"1","volume-title":"Nordic workshop on power and industrial electronics (NORPIE\/2008)","author":"Leban K","key":"bibr5-0037549714551290"},{"volume-title":"international conference on power systems transients (IPST2009)","author":"Cho HI","key":"bibr6-0037549714551290"},{"first-page":"846","volume-title":"proceedings of the world congress on engineering and computer science","author":"Tsai HL","key":"bibr7-0037549714551290"},{"key":"bibr8-0037549714551290","first-page":"185","volume":"2","author":"Azab M","year":"2009","journal-title":"Int J Electr Power Energ Syst Eng"},{"key":"bibr9-0037549714551290","doi-asserted-by":"publisher","DOI":"10.1016\/j.renene.2011.01.012"},{"key":"bibr10-0037549714551290","doi-asserted-by":"publisher","DOI":"10.1109\/TEC.2002.1009482"},{"first-page":"28","volume-title":"proceedings of the 4th small systems simulation symposium (SSSS2012)","author":"Andrejevi\u0107 Sto\u0161ovi\u0107 M","key":"bibr11-0037549714551290"},{"volume-title":"proceedings on disc of the 56th conference of ETRAN","author":"Dimitrijevi\u0107 M","key":"bibr12-0037549714551290"},{"volume-title":"proceedings on disc of the 56th conference of ETRAN","author":"Andrejevi\u0107 Sto\u0161ovi\u0107 M","key":"bibr13-0037549714551290"},{"first-page":"259","volume-title":"proceedings of the 11th symposium on neural network application in electronic engineering (NEUREL 2012)","author":"Andrejevi\u0107 Sto\u0161ovi\u0107 M","key":"bibr14-0037549714551290"},{"key":"bibr15-0037549714551290","doi-asserted-by":"publisher","DOI":"10.1016\/0927-0248(95)00016-X"},{"volume-title":"SPICE (Simulation Program with Integrated Circuit Emphasis)","year":"1973","author":"Nagel LW","key":"bibr16-0037549714551290"},{"volume-title":"VLSI circuit simulation and optimization","year":"1997","author":"Litovski V","key":"bibr17-0037549714551290"},{"key":"bibr18-0037549714551290","doi-asserted-by":"publisher","DOI":"10.1002\/pip.880"},{"key":"bibr19-0037549714551290","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.94.126602"},{"key":"bibr20-0037549714551290","doi-asserted-by":"publisher","DOI":"10.1186\/1556-276X-6-350"},{"key":"bibr21-0037549714551290","first-page":"17","volume":"2","author":"Chegaar M","year":"2003","journal-title":"J Electron Dev"},{"first-page":"73","volume-title":"proceedings of the IEEE power electronics specialists conference","author":"\u0106uk S","key":"bibr22-0037549714551290"},{"key":"bibr23-0037549714551290","doi-asserted-by":"publisher","DOI":"10.1109\/TEC.2006.874230"},{"key":"bibr24-0037549714551290","unstructured":"Esram T, Chapman PL. 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