With the increase of the energy crisis and environmental pollution, the solar energy as a clean and renewable energy is paid more attention. The photovoltaic cells are being widely used, and many researchers are studying the light and heat integration of photovoltaic systems (PV/T). PV-water cooling system and PV-SAHP system are all the integration of solar photovoltaic systems and thermal utilization system, which use the solar energy to supply the electric power and space heating or daily hot water. Due to the difference of the equipment installations and application conditions, two systems are different from their system efficiencies. To analyze the system exergy is of great significance, as the energy loss and utilization deficiency can be identified through the exergy analysis, and based on the analyzed results the system efficiency can be improved. Furthermore the system can be optimized by the exergy efficiency calculation. In this paper the exergy values of two systems are analyzed, the energy loss and utilization deficiency are analyzed, and the exergy efficiencies are obtained. The work will be good references for the application and optimization of solar photovoltaic systems and thermal utilization system.
- Advanced Energy Systems Division and Solar Energy Division
Exergy Analysis of PV-Water Cooling System and PV-SAHP System
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Wei, B, & Ma, F. "Exergy Analysis of PV-Water Cooling System and PV-SAHP System." Proceedings of the ASME 2010 4th International Conference on Energy Sustainability. ASME 2010 4th International Conference on Energy Sustainability, Volume 2. Phoenix, Arizona, USA. May 17–22, 2010. pp. 463-466. ASME. https://doi.org/10.1115/ES2010-90386
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