The available capacity of gas-turbine units (GTU) and combined-cycle gas-turbine (CCGT) units varies significantly with the outside air temperature. Its changes also affect the operating load range of the GTU-the minimum safe load increases with decrease in the outside temperature. Experimental data are analyzed that indicate the possibility to substantially reduce the minimum safe load of CCGT units by bypassing some of the compressed air to the compressor inlet during frost periods that are not uncommon in our country.
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References
ISO/DIS 2314:2009. Gas Turbines — Acceptance Test.
G. G. Olkhovski, Thermal Tests of High-Power GTUs [in Russian], ID Folium, Moscow (2015).
S. N. Lenev, Yu. A. Radin, I. S. Belyankin, E. S. Kutyrev, and V. I. Konovalov, “Increasing the power of CCGT by vaporization cooling of the air sucked by GTU compressor,” Élektr. Stantsii, No. 4, 11 – 14 (2021).
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Translated from Élektricheskie Stantsii, No. 6, June 2021, pp. 43 – 48. DOI: 10.34831/EP.2021.1079.6.006
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Olkhovski, G.G., Ageev, A.V. & Rozhkov, A.D. Variable Modes of Operation of Combined-Cycle Gas-Turbine Units. Power Technol Eng 55, 607–612 (2021). https://doi.org/10.1007/s10749-021-01405-0
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DOI: https://doi.org/10.1007/s10749-021-01405-0