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Development of a linearized photovoltaic generator model for simulation studies with electromagnetic transient programs
Delft Univ Technol, Dept Elect Sustainable Energy, Intelligent Elect Power Grids, Mekelweg 4, NL-2628 CD Delft, Netherland.ORCID iD: 0000-0001-9750-9863
Univ Patras, Dept Elect & Comp Engn, Power Syst Sect, GR-26500 Patras, Rio, Greece.
2015 (English)In: International Transactions on Electrical Energy Systems, E-ISSN 2050-7038, Vol. 25, no 3, p. 454-470Article in journal (Refereed) Published
Abstract [en]

In this paper, a linearized equivalent electrical circuit of a photovoltaic generator is developed. The proposed model is based on nonlinear and well-tested current-voltage equations which are however used in an alternative mathematical manner. The application of a linearization process, which differs from the well-known piecewise linear scheme and is based on Taylor’s series approximation, leads to uncoupling of the current and voltage quantities in each time step of a digital simulation. Using the proposed equivalent photovoltaic generator circuit, the application of nodal analysis on equivalent resistive circuits derives a photovoltaic system model of linear algebraic equations. This remarkably simplifies photovoltaic systems modeling because one can develop a photovoltaic generator element in electromagnetic transient programs for power systems analysis, of great value to power engineers who are involved in photovoltaic systems modeling. Copyright © 2014 John Wiley & Sons, Ltd.

Place, publisher, year, edition, pages
Wiley-Blackwell, 2015. Vol. 25, no 3, p. 454-470
Keywords [en]
Equivalent circuits; Linear algebra; Linear equations; Linearization; Nonlinear equations; Photovoltaic cells; Piecewise linear techniques; Solar cells; Systems analysis; Transients, Current-voltage equations; Electromagnetic transient program; Electromagnetic transients program (EMTP); Equivalent electrical circuits; Linear algebraic equation; Nonlinear circuit; Photovoltaic power systems; Taylor’s series approximation, Electric network analysis
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kau:diva-63767DOI: 10.1002/etep.1853ISI: 000351455400005Scopus ID: 2-s2.0-84925011987OAI: oai:DiVA.org:kau-63767DiVA, id: diva2:1142061
Available from: 2017-09-18 Created: 2017-09-18 Last updated: 2017-11-29Bibliographically approved

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