Abstract
In this paper we describe the development and analysis of a hybrid heating system for space heating and domestic hot water that is designed to enable an energy-efficient supply of renovated residential buildings with an existing
radiator heating system, requiring high flow temperatures. The system consists of a dedicated air-to-water heat pump using the natural refrigerant R290 (Propane), a thermal energy storage, a photovoltaic system and an
advanced control. The development is done with the objective of a reduction of the system’s electrical energy consumption from the grid by 25 % compared to a defined reference system. Detailed system simulations in TRNSYS were performed to evaluate the effect of different measures concerning the heat pump cycle, the storage tank and the control for a renovated reference single family house. The results show that with a combination of all considered measures a reduction of the grid consumption by 32 % compared to the reference system is possible with a PV size of 10 kWp. With 5 kWp still a reduction of 25 % can be achieved.
radiator heating system, requiring high flow temperatures. The system consists of a dedicated air-to-water heat pump using the natural refrigerant R290 (Propane), a thermal energy storage, a photovoltaic system and an
advanced control. The development is done with the objective of a reduction of the system’s electrical energy consumption from the grid by 25 % compared to a defined reference system. Detailed system simulations in TRNSYS were performed to evaluate the effect of different measures concerning the heat pump cycle, the storage tank and the control for a renovated reference single family house. The results show that with a combination of all considered measures a reduction of the grid consumption by 32 % compared to the reference system is possible with a PV size of 10 kWp. With 5 kWp still a reduction of 25 % can be achieved.
Original language | English |
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Title of host publication | Proceedings of the ISES EuroSun 2020 Conference – 13th International Conference on Solar Energy for Buildings and Industry |
Editors | Alexandros Charalambides, Wolfgang Streicher, Daniel Mugnier |
Place of Publication | Freiburg |
Publisher | International Solar Energy Society |
Pages | 354-365 |
ISBN (Print) | 978-3-9820408-2-0 |
DOIs | |
Publication status | Published - 1 Sept 2020 |
Event | EuroSun 2020: 13th International Conference on Solar Energy for Buildings and Industry - Virtuell, Greece Duration: 1 Sept 2020 → 3 Sept 2020 https://pcoconvin.eventsair.com/eurosun20/ |
Conference
Conference | EuroSun 2020 |
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Country/Territory | Greece |
City | Virtuell |
Period | 1/09/20 → 3/09/20 |
Internet address |
Fields of Expertise
- Sustainable Systems