Solar cooling - comparative study between thermal and electrical use in industrial buildings

4th ModTech International Conference - Modern Technologies in Industrial Engineering

Badea, N.^1 ; Badea, G.V.^2 ; Epureanu, A.^3 ; Frumuanu, G.^3

Dunrea de Jos University, Automatic Control and Electrical Engineering Department, Stiinei Street 2, Galai

800210, Romania^1

BGV Energy Consultancy, 49-51 Aristide Pascal, Bucharest 3, Romania^2

Dunrea de Jose University, Manufacturing Engineering Department, Domneasc Street 111, Galai

800201, Romania^3

关键词: Comparative studies;    Dynamic performance;    Industrial buildings;    Mechanical compression;    Renewable energy source;    Solar cooling systems;    Solar energy technologies;    Thermal compressions;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/145/2/022027/pdf
DOI  :  10.1088/1757-899X/145/2/022027

来源: IOP

【 摘 要 】

The increase in the share of renewable energy sources together with the emphasis on the need for energy security bring to a spotlight the field of trigeneration autonomous microsystems, as a solution to cover the energy consumptions, not only for isolated industrial buildings, but also for industrial buildings located in urban areas. The use of solar energy for cooling has been taken into account to offer a cooling comfort in the building. Cooling and air- conditioned production are current applications promoting the use of solar energy technologies. Solar cooling systems can be classified, depending on the used energy, in electrical systems using mechanical compression chillers and systems using thermal compression by absorption or adsorption. This comparative study presents the main strengths and weaknesses of solar cooling obtained: i) through the transformation of heat resulted from thermal solar panels combined with adsorption chillers, and ii) through the multiple conversion of electricity - photovoltaic panels - battery - inverter - combined with mechanical compression chillers. Both solutions are analyzed from the standpoints of energy efficiency, dynamic performances (demand response), and costs sizes. At the end of the paper, experimental results obtained in the climatic condition of Galafi city, Romania, are presented.