Modelling a Combined Heat and Power Plant based on Gasification, Micro Gas Turbine and Solid Oxide Fuel Cells

Christian Bang-Møller, Masoud Rokni

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    Abstract

    A system level modelling study on two combined heat and power (CHP) systems both based on biomass gasification. One system converts the product gas in a micro gas turbine (MGT) and the other in a combined solid oxide fuel cell (SOFC) and MGT arrangement. An electrochemical model of the SOFC has been developed and calibrated against published data from Topsoe Fuel Cells A/S (TOFC) and Risø National Laboratory, and the modelled gasifier is based on an up scaled version of the demonstrated low tar gasifier, Viking, situated at the Technical University of Denmark. The SOFC converts the syngas more efficient than the MGT reflected in the electrical efficiency of the gasifier and MGT system in opposition to the gasifier and SOFC-MGT configuration - η_el=28.1% versus η_el=50.3%.
    Original languageEnglish
    Title of host publicationProceedings of SIMS 50 - the 50th International Conference of Scandinavian Simulation Society : Modeling of Energy Technology
    EditorsBrian Elmegaard, Christian Veje, Mads Pagh Nielsen, Tommy Mølbak
    Number of pages358
    Publication date2009
    Pages189-196
    ISBN (Print)978-87-89502-88-5
    Publication statusPublished - 2009
    Event50th International Conference of Scandinavian Simulation Society - Fredericia, Denmark
    Duration: 7 Oct 20098 Oct 2009
    Conference number: 50

    Conference

    Conference50th International Conference of Scandinavian Simulation Society
    Number50
    Country/TerritoryDenmark
    CityFredericia
    Period07/10/200908/10/2009

    Keywords

    • biomass gasification
    • System modelling
    • micro gas turbine
    • SOFC

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