 A graph-based model framework for steady-state load flow problems of general multi-carrier energy systemsA.S. Markensteijn, J.E. Romate and C. Vuik Applied Energy, 2020, vol. 280, issue C, No S0306261920307984 Abstract: Coupling single-carrier networks into multi-carrier energy systems (MESs) has recently become more important. Conventional load flow models for the separate single-carrier networks are not able to capture the full extend of the coupling. Recently, different models for multi-carrier energy networks have been proposed, either using the energy hub (EH) concept, or using a case specific approach. Although the EH concept can be applied to a general MES, it is unclear how the EH should be represented in the graph of the MES. On the other hand, the case specific approaches are not easily applicable to general MESs. This paper presents a graph-based framework for steady-state load flow analysis of general MESs. Furthermore, the effect of coupling on the resulting integrated system of equations is investigated. The proposed framework is validated using a small MES. This example shows that our framework is applicable to a general MES, and that it generalizes both the EH concept and the case specific approach. Keywords: Gas networks; Heat networks; Integrated energy systems; Load flow analysis; Multi-carrier energy networks; Power grids (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:280:y:2020:i:c:s0306261920307984 Ordering information: This journal article can be ordered from DOI: 10.1016/j.apenergy.2020.115286 Access Statistics for this article Applied Energy is currently edited by J. Yan More articles in Applied Energy from Elsevier |
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