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A Linearized Model for the Optimization of the Coupled Electricity and Natural Gas System

  • In the following paper a combined optimization of a coupled electricity and gas system is presented. For the electricity network a unit commitment problem with optimization of energy and reserves under a power pool, considering all system operational and unit technical constraints is solved. The gas network subproblem is a medium-scale mixed-integer nonconvex and nonlinear programming problem. The coupling constraints between the two networks are nonlinear as well. The resulting mixed-integer nonlinear program is linearized with the extended incremental method and an outer approximation technique. The resulting model is evaluated using the Greek power and gas system comprising fourteen gas-fired units under four different approximation accuracy levels. The results indicate the efficiency of the proposed MIP model and the interplay between computational requirements and accuracy.

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Metadaten
Author:Mathias Sirvent, Nikolaos Kanelakis, Björn Geißler, Pandelis Biskas
DOI:https://doi.org/10.1007/s40565-017-0275-2
Parent Title (English):Journal of Modern Power Systems and Clean Energy
Document Type:Article
Language:English
Date of Publication (online):2017/04/25
Date of first Publication:2017/01/09
Release Date:2016/07/26
Tag:Electricity System; Extended Incremental Method; Mixed-Integer (Non)Linear Programming; Natural Gas System; Outer Approximation
Volume:5
Issue:3
First Page:364
Last Page:374
Institutes:Friedrich-Alexander-Universität Erlangen-Nürnberg
Aristotle University of Thessaloniki
Subprojects:A05
Z01