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Buildings 2018, 8(3), 37; https://doi.org/10.3390/buildings8030037

Energy and Economic Performance of Solar Cooling Systems in the Hot-Summer and Cold-Winter Zone

Faculty of Architecture, Civil Engineering College, Ningbo University, Ningbo 315211, China
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Received: 17 January 2018 / Revised: 16 February 2018 / Accepted: 26 February 2018 / Published: 2 March 2018
(This article belongs to the Special Issue Application of Renewable Energy Sources in Buildings)
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Abstract

Building energy consumption has distinctly increased in the hot-summer and cold-winter zone in China. Solar cooling technology has been developed to reduce the increasing electricity consumption for air conditioning and to shift the peak load during hot summer days. This paper presents a performance simulation and economic analysis for both photovoltaic (PV) and thermal solar cooling systems compared to a reference system, which is composed of two electric heat pumps. The results show that 30.7% and 30.2% of primary energy can be saved by using the PV and the thermal system, respectively. The payback time is 6–7 years for the PV system, but more than 20 years for the thermal system based on current conditions in China. Therefore, the PV system is more suitable for practical application in the hot-summer and cold-winter zone. The thermal system could be an alternative when middle- and high-temperature solar thermal collector technology has been further developed, as well as following mass production of small- and middle-sized chillers. View Full-Text
Keywords: PV solar cooling system; thermal solar cooling system; hot-summer and cold-winter zone in China; primary energy savings; payback time PV solar cooling system; thermal solar cooling system; hot-summer and cold-winter zone in China; primary energy savings; payback time
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Huang, L.; Zheng, R. Energy and Economic Performance of Solar Cooling Systems in the Hot-Summer and Cold-Winter Zone. Buildings 2018, 8, 37.

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