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Model order reduction applied to heat conduction in photovoltaic modules

Ojo, Saheed Olalekan and Grivet-Talocia, Stefano and Paggi, Marco Model order reduction applied to heat conduction in photovoltaic modules. Composite Structures, 119. pp. 477-486. ISSN 0263-8223 (2015)

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Modeling of physical systems may be a challenging task when it requires solving large sets of numerical equations. This is the case of photovoltaic (PV) systems which contain many PV modules, each module containing several silicon cells. The determination of the temperature field in the modules leads to large scale systems, which may be computationally expensive to solve. In this context, Model Order Reduction (MOR) techniques can be used to approximate the full system dynamics with a compact model, that is much faster to solve. Among the several available MOR approaches, in this work we consider the Discrete Empirical Interpolation Method (DEIM), which we apply with a suitably modified formulation that is specifically designed for handling the nonlinear terms that are present in the equations governing the thermal behavior of PV modules. The results show that the proposed DEIM technique is able to reduce significantly the system size, by retaining a full control on the accuracy of the solution.

Item Type: Article
Identification Number: 10.1016/j.compstruct.2014.09.008
Projects: ERC Starting Grant CA2PVM, FIRB RBFR107AKG
Funders: European Research Council, Italian Ministry of Education, University and Research
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Research Area: Computer Science and Applications
Depositing User: Prof Marco Paggi
Date Deposited: 28 Jan 2015 13:35
Last Modified: 04 Apr 2016 09:05
URI: http://eprints.imtlucca.it/id/eprint/2547

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