2026-04-13T22:47:56Zhttps://recercat.cat/oai/requestoai:recercat.cat:10459.1/712132024-12-05T21:33:27Zcom_2072_3622col_2072_479130
RECERCAT
author
Palomba, Valeria
author
Bonanno, Antonino
author
Brunaccini, Giovanni
author
Aloisio, Davide
author
Sergi, Francesco
author
Dino, Giuseppe E.
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Varvagiannis, Efstratios
author
Karellas, Sotirios
author
Nitsch, Birgo
author
Strehlow, Andreas
author
Groβe, André
author
Herrmann, Ralph
author
Barmparitsas, Nikolaos
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Koch, Nelson
author
Vérez, David
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Cabeza, Luisa F.
author
Zsembinszki, Gabriel
author
Frazzica, Andrea
2024-12-05T21:33:27Z
2024-12-05T21:33:27Z
2021-05-03T07:45:50Z2021-05-03T07:45:50Z20212021-05-03T07:45:50Z
http://hdl.handle.net/10459.1/71213
The need for innovative heating and cooling systems to decarbonize the building sector is widely recognized. It is especially important to increase the share of renewables at building level by maximizing self-consumption and reducing the primary energy demand. Accordingly, in the present paper, the results on a wide experimental campaign on a hybrid system are discussed. The system included a sorption module working as the topping cycle in a cascade configuration with a DC-driven vapor compression heat pump. A three-fluids heat exchanger with a phase change material (PCM), i.e., RT4 with nominal melting temperature of 4 °C, was installed on the evaporator side of the heat pump, for simultaneous operation as thermal storage and heat pumping purposes. The heat pump was connected to a DC-bus that included PV connection and electricity storage (batteries). Results showed that the energy efficiency of the heat pump in cascade operation was double compared to compression-only configuration and that, when simultaneously charging and discharging the latent storage in cascade configuration, no penalization in terms of efficiency compared to the compression-only configuration was measured. The self-sufficiency of the system was evaluated for three reference weeks in summer conditions of Athens climate and it was found that up to 100% of the electricity needed to drive the system could be self-produced for a modest cooling demand and up to 67% for the warmer conditions with high cooling demand.This project has received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No. 768824 (HYBUILD). This work was partially funded by the Ministerio de Ciencia, Innovación y Universidades de España (RTI2018-093849-B-C31) and by the Ministerio de Ciencia, Innovación y Universidades—Agencia Estatal de Investi-gación (AEI) (RED2018-102431-T). GREiA is certified agent TECNIO in the category of technology developers from the Government of Catalonia. This work is partially supported by ICREA under the ICREA Academia program.
cc-by (c) Palomba, Valeria et al., 2021 info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/3.0/es
Heat pump
Thermal energy storage
Electricity storage
PCM
Cooling
Buildings
Hybrid cascade heat pump and thermal-electric energy storage system for residential buildings: experimental testing and performance analysis
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion