Combined financial and environmental optimization of a trigeneration system

Combined financial and environmental optimization of a trigeneration system

This paper firstly studies the influence of variations in fuel tariffs and GHG emissions of the grid electricity on the financial and environmental metrics, demonstrating divergences when considered alone. Secondly, a combined economic and environmental objective function is proposed, yielding a goo...

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Veröffentlicht in:Thermal science 2023, Vol.27 (1 Part A), p.321-334
Hauptverfasser: Silva, Heber, Hornsby, Eric, Melo, Filipi, Magnani, Fabio, Carvalho, Monica, Ochoa, Alvaro
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container_end_page 334
container_issue 1 Part A
container_start_page 321
container_title Thermal science
container_volume 27
creator Silva, Heber
Hornsby, Eric
Melo, Filipi
Magnani, Fabio
Carvalho, Monica
Ochoa, Alvaro
description This paper firstly studies the influence of variations in fuel tariffs and GHG emissions of the grid electricity on the financial and environmental metrics, demonstrating divergences when considered alone. Secondly, a combined economic and environmental objective function is proposed, yielding a good compromise between both concerns. Real data are available from a Brazilian Northeast building where electricity, heat (hot water), and cooling are important for comfort and well-being. When addressing the bicriteria optimization, consideration of 20% of one metric enormously improved the overall result, with only slightly worsening the other metric. This is possible because the optimization scheme can choose from a rich pool of physical and operational scenarios.
doi_str_mv 10.2298/TSCI220804167S
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title Combined financial and environmental optimization of a trigeneration system
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