This paper studies the repowering of already operating steam or turbogas plants through the fitting of a turbogas unit as topper in the first case, and a steam unit as bottomer in the second, thus obtaining steam-gas combined plants. As to steam plants, a methodology has been defined which permits evaluation of both the overall efficiency and gas to steam power ratio of the derived combined plant obtained by superposing a turbogas unit on any assigned steam plant so as to permit integral utilization or minimum modification of the steam section.
CONVERSION OF STEAM AND GAS POWER PLANTS TO COMBINED CYCLES / G., Negri di Montenegro; R., Bettocchi; Cantore, Giuseppe; Borghi, Massimo; G., Naldi. - STAMPA. - 1:(1987), pp. 269-276. (Intervento presentato al convegno 1987 ASME COGEN-TURBO: International Symposium on Turbomachinery, Combined-Cycle Technologies and Cogeneration tenutosi a Montreaux, Switzerland nel September, 2-4).
CONVERSION OF STEAM AND GAS POWER PLANTS TO COMBINED CYCLES
CANTORE, Giuseppe;BORGHI, Massimo;
1987
Abstract
This paper studies the repowering of already operating steam or turbogas plants through the fitting of a turbogas unit as topper in the first case, and a steam unit as bottomer in the second, thus obtaining steam-gas combined plants. As to steam plants, a methodology has been defined which permits evaluation of both the overall efficiency and gas to steam power ratio of the derived combined plant obtained by superposing a turbogas unit on any assigned steam plant so as to permit integral utilization or minimum modification of the steam section.
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