EVASOLK: Chances and perspectives of solar cooling in comparison to reference technologies

published Aug 01, 2013 - 24 pages

This presentation by Fraunhofer ISE compares standard solar thermal-driven cooling systems with a conventional cooling reference case and PV-integrated cooling. The presentation displays findings of the respective comparative study based on a system modelling in TRNSYS.

The three types of cooling systems analysed display different performance capacities and financial consequences in accordance with different climate regions and the goals of ap

This presentation by Fraunhofer ISE compares standard solar thermal-driven cooling systems with a conventional cooling reference case and PV-integrated cooling. The presentation displays findings of the respective comparative study based on a system modelling in TRNSYS.

The three types of cooling systems analysed display different performance capacities and financial consequences in accordance with different climate regions and the goals of application. The standard solar thermal cooling systems generate high solar yields during the peak hours and are the most environmentally-friendly, but also generate more costs in comparison with the other two. The integrated systems of the conventional cooling and PV have high capacity, but increase voltage load on the grids and require cold backup.

The presentation concludes that application of the solar thermal cooling systems has clear comparative benefits of low environmental impact, high CO2 emissions savings and guarantee high full load hours. The presentation at the same time identifies remaining challenges, such as the system operating costs, and outlines several recommendations for a more cost-efficient use of the all three system types.


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