Performance Analysis of a Hybrid District Heating System: a Case Study of a Small Town in Croatia

Hybridisation of district heating systems can contribute to more efficient heat generation through cogeneration power plants or through the share increase of renewable energy sources in total energy consumption while reducing negative aspects of particular energy source utilisation. In this work, th...

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Main Authors: Robert Mikulandric, Goran Krajačić, Neven Duić, Gennadii Khavin, Henrik Lund, Brian Vad Mathiesen
Format: Article
Language:English
Published: SDEWES Centre 2015-09-01
Series:Journal of Sustainable Development of Energy, Water and Environment Systems
Subjects:
Online Access: http://www.sdewes.org/jsdewes/pi2015.03.0022
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author Robert Mikulandric
Goran Krajačić
Neven Duić
Gennadii Khavin
Henrik Lund
Brian Vad Mathiesen
author_facet Robert Mikulandric
Goran Krajačić
Neven Duić
Gennadii Khavin
Henrik Lund
Brian Vad Mathiesen
author_sort Robert Mikulandric
collection DOAJ
description Hybridisation of district heating systems can contribute to more efficient heat generation through cogeneration power plants or through the share increase of renewable energy sources in total energy consumption while reducing negative aspects of particular energy source utilisation. In this work, the performance of a hybrid district energy system for a small town in Croatia has been analysed. Mathematical model for process analysis and optimisation algorithm for optimal system configuration has been developed and described. The main goal of the system optimisation is to reduce heat production costs. Several energy sources for heat production have been considered in 8 different simulation cases. Simulation results show that the heat production costs could be reduced with introduction of different energy systems into an existing district heating system. Renewable energy based district heating systems could contribute to heat production costs decrease in district heating systems up to 30% in comparison with highly efficient heat production technologies based on conventional fuels.
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spelling doaj.art-63b09de9a2f04dd8a94e13c69bdd3a922022-12-22T02:32:21ZengSDEWES CentreJournal of Sustainable Development of Energy, Water and Environment Systems1848-92572015-09-013328230210.13044/j.sdewes.2015.03.002200084Performance Analysis of a Hybrid District Heating System: a Case Study of a Small Town in CroatiaRobert Mikulandric0Goran Krajačić1Neven Duić2Gennadii Khavin3Henrik Lund4Brian Vad Mathiesen5 University of Zagreb, Croatia University of Zagreb, Croatia University of Zagreb, Croatia National Technical University "KhPI", Ukraine Aalborg University, Denmark Aalborg University, Denmark Hybridisation of district heating systems can contribute to more efficient heat generation through cogeneration power plants or through the share increase of renewable energy sources in total energy consumption while reducing negative aspects of particular energy source utilisation. In this work, the performance of a hybrid district energy system for a small town in Croatia has been analysed. Mathematical model for process analysis and optimisation algorithm for optimal system configuration has been developed and described. The main goal of the system optimisation is to reduce heat production costs. Several energy sources for heat production have been considered in 8 different simulation cases. Simulation results show that the heat production costs could be reduced with introduction of different energy systems into an existing district heating system. Renewable energy based district heating systems could contribute to heat production costs decrease in district heating systems up to 30% in comparison with highly efficient heat production technologies based on conventional fuels. http://www.sdewes.org/jsdewes/pi2015.03.0022 District heating system hybridisationrenewable energy systemsdistrict heating system analysissystem optimisation
spellingShingle Robert Mikulandric
Goran Krajačić
Neven Duić
Gennadii Khavin
Henrik Lund
Brian Vad Mathiesen
Performance Analysis of a Hybrid District Heating System: a Case Study of a Small Town in Croatia
Journal of Sustainable Development of Energy, Water and Environment Systems
District heating system hybridisation
renewable energy systems
district heating system analysis
system optimisation
title Performance Analysis of a Hybrid District Heating System: a Case Study of a Small Town in Croatia
title_full Performance Analysis of a Hybrid District Heating System: a Case Study of a Small Town in Croatia
title_fullStr Performance Analysis of a Hybrid District Heating System: a Case Study of a Small Town in Croatia
title_full_unstemmed Performance Analysis of a Hybrid District Heating System: a Case Study of a Small Town in Croatia
title_short Performance Analysis of a Hybrid District Heating System: a Case Study of a Small Town in Croatia
title_sort performance analysis of a hybrid district heating system a case study of a small town in croatia
topic District heating system hybridisation
renewable energy systems
district heating system analysis
system optimisation
url http://www.sdewes.org/jsdewes/pi2015.03.0022
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