Performance analysis of hybrid district heating system

Mikulandrić, Robert and Krajačić, Goran and Duić, Neven and Gennadii, Khavin and Lund, Henrik and Vad Mathiesen, Brian and Østergaard, Poul (2013) Performance analysis of hybrid district heating system. = Performance analysis of hybrid district heating system. In: 8th Conference on Sustainable Development of Energy, Water and Environment Systems, 22-27.09.2013, Dubrovnik, Hrvatska.

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District heating system could contribute to more efficient heat generation through cogeneration power plants or waste heat utilization facilities and to increase of renewable energy sources share in total energy consumption. In the most developed EU countries, renewable energy sources have been more extensively used in district heating systems either separately or as a supplement to traditional fossil fuels in order to achieve national energy policy objectives. However, they are still facing problems such as high intermittences, high energy production costs and low load factors as well as problems related to transportation, storage and environmental impacts of biomass and waste utilisation. Implementation of heat storages in district heating systems could contribute to integration of intermittent energy sources. Hybridisation of heat production facility combines two or more different energy sources that can complement each other on daily and yearly basis and reduce negative aspects of particular energy source utilisation. In district heating systems, hybridisation could be performed through utilisation of renewable and non-renewable energy sources. Potential of fuel and emission reduction could reach up to 20% with utilisation of solar energy as supplement energy source in traditional fossil fuel based district heating systems. In this work, the performance of hybrid district energy system for a particular location will be analysed. For performance analysis, mathematical model that combines different energy sources for heat production will be used. The work has been carried out in scope of 4th Generation District Heating Technologies and Systems project.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): District heating systems, hybrid systems, system optimisation
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 500 Department of Energy, Power Engineering and Environment > 510 Power Engineering and Energy Management Chair
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 06 Apr 2016 10:28
Last Modified: 18 Apr 2016 14:09

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