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Carnot battery : introduction of a high-level, application based sizing model
The use of renewable energy sources in the energy mix is ever increasing. Most of these renewable sources are intermittent in nature. Therefore, large-scale energy storage systems are considered essential to ensure the security of supply in energy systems. Flexible, economic and efficient electrical energy storage systems are thus needed to shift large quantities of energy from peak-production to peak-demand. Carnot batteries are a novel grid-scale energy storage concept that could potentially fulfil these needs. This paper aims to introduce Carnot batteries to a wider audience. The different system topologies proposed in the literature are presented, with a special emphasis on the intended system sizes and working temperatures. In the literature, load-shifting of renewable energy is often mentioned as possible application. Until now, the system sizing for this application has not been studied. A high-level model is presented which can be used for a primary sizing of a Carnot battery. The use of this model is illustrated by a study of the needed storage duration for load-shifting of solar PV- and wind production. It has been found that a significantly higher storage duration is needed for load shifting of wind production compared to solar production to reach the same service levels. It is thus important to take the specific use case into consideration during the system sizing.
Carnot battery : introduction of a high-level, application based sizing model
The use of renewable energy sources in the energy mix is ever increasing. Most of these renewable sources are intermittent in nature. Therefore, large-scale energy storage systems are considered essential to ensure the security of supply in energy systems. Flexible, economic and efficient electrical energy storage systems are thus needed to shift large quantities of energy from peak-production to peak-demand. Carnot batteries are a novel grid-scale energy storage concept that could potentially fulfil these needs. This paper aims to introduce Carnot batteries to a wider audience. The different system topologies proposed in the literature are presented, with a special emphasis on the intended system sizes and working temperatures. In the literature, load-shifting of renewable energy is often mentioned as possible application. Until now, the system sizing for this application has not been studied. A high-level model is presented which can be used for a primary sizing of a Carnot battery. The use of this model is illustrated by a study of the needed storage duration for load-shifting of solar PV- and wind production. It has been found that a significantly higher storage duration is needed for load shifting of wind production compared to solar production to reach the same service levels. It is thus important to take the specific use case into consideration during the system sizing.
Carnot battery : introduction of a high-level, application based sizing model
Tassenoy, Robin (Autor:in) / Vieren, Elias (Autor:in) / De Paepe, Michel (Autor:in) / Lecompte, Steven (Autor:in) / Meyer, Josua
01.01.2021
Proceedings of the 15th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics (HEFAT2021) ; ISBN: 9781775922162
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
DDC:
690
Introduction of a high-level, application based sizing methodology for carnot batteries
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