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Criteria for the decomposition of energy systems in local/global optimizations
Department of Mechanical Engineering, University of Padova.
Department of Mechanical Engineering, University of Padova.
Center for Energy Systems Research, Department of Mechanical Engineering, Virginia Polytechnic Institute, Blacksburg.
2010 (English)In: Energy, ISSN 0360-5442, E-ISSN 1873-6785, Vol. 35, no 2, p. 1157-1163Article in journal (Refereed) Published
Abstract [en]

The decomposition of an energy system into subsystems of reduced complexity, to be optimized separately, but in a way compatible with the optimum of the global system, has been recognized as a viable solution to the problem of the design optimization of highly integrated, complex energy systems. Iterative Local/Global Optimization (ILGO) and its dynamic extension (DILGO) permit the decomposition of the global problem into smaller subproblems to be optimized separately, guaranteeing in the process that the subproblem optima eventually converge after a small number of iterations to or near to the optimum of the original global problem. The aim of this paper is to analyze the criteria for energy system decomposition, in particular with regard to the formulation of the separate subproblems and to the imposition of the constraints that affect the coupling of two or more subsystems. Three general decomposition criteria are identified and discussed with simple examples to let the mathematical formulation be analyzed critically

Place, publisher, year, edition, pages
2010. Vol. 35, no 2, p. 1157-1163
Identifiers
URN: urn:nbn:se:ltu:diva-3690DOI: 10.1016/j.energy.2009.06.009Local ID: 185b1fbb-4be2-4983-9f0e-1c92ec21733aOAI: oai:DiVA.org:ltu-3690DiVA: diva2:976550
Note
Upprättat; 2012; 20120416 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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