Open AccessImprovement to electricity generation systems by using a refrigeration machine and solar concentrator for air cooling
Author(s) -
К. В. Осинцев,
Y. A. Perekopnaya,
D. P. Korabelnikova
Publication year - 2020
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/579/1/012109
Subject(s) - refrigeration , air cooling , refrigerant , absorption refrigerator , cooling capacity , nuclear engineering , process engineering , water cooling , steam electric power station , active cooling , automotive engineering , mechanical engineering , turbine , engineering , environmental science , combined cycle , heat exchanger
A process scheme of using the absorption refrigeration machine in electricity generation systems in case of application of air cooling system of the steam turbine electric generators has been developed. The proposed scheme increases thermal power plant efficiency by 0.1-0.2% according to preliminary estimates, primarily by reducing power consumption on pumps and fans drive, as well as by reducing temperature of cooling heat carrier in the period with high ambient temperatures. A feature of the proposed technology is the combination of the most efficient air-cooling scheme and the absorption plant cycle in a single power technology complex. In this refrigeration machine, the working fluid is a binary mixture, one of the components of which is called a refrigerant, and the other one is an absorbent, where the liquid absorbent can absorb the refrigerant vapor. For the first time it is proposed to use an absorption refrigerating machine as the cooling system element of steam turbine electric generators. Currently, there are advanced air-cooling systems using multi-jet cooling for turbo-generators with a capacity of 3 to 180 MW. Finally, it can be used to increase the unit capacity of power units on the thermal power plants that use air-cooled power generators.