By Ryszard Bartnik
Conversion of Coal-Fired energy Plant to Cogeneration and Combined-Cycle provides the technique, calculation systems and instruments used to aid firm making plans for adapting energy stations to cogeneration and combined-cycle forms.
The authors examine the optimal collection of the constitution of warmth exchangers in a 370 MW energy block, the constitution of warmth restoration steam turbines and fuel generators. Conversion of Coal-Fired energy Plant to Cogeneration and Combined-Cycle additionally addresses the issues of changing current strength crops to dual-fuel gas-steam combined-cycle applied sciences coupled with parallel platforms.
Conversion of Coal-Fired energy Plant to Cogeneration and Combined-Cycle is an informative monograph written for researchers, postgraduate scholars and coverage makers in strength engineering.
Read or Download Conversion of Coal-Fired Power Plants to Cogeneration and Combined-Cycle: Thermal and Economic Effectiveness PDF
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Additional resources for Conversion of Coal-Fired Power Plants to Cogeneration and Combined-Cycle: Thermal and Economic Effectiveness
Therefore, it is a priori impossible to determine its characteristics for an unfamiliar turbine output. It is only possible to account for it during the calculations performed with the purpose of verification of the results. In addition, the optimum power of the gas turbine for various price relations between energy carriers will be different. 77) and the characteristics in Figs. 21. e. zone III. It is based on the scheduled chart of temperature  in this zone. 5 Equations of Mass and Energy Balance Energy balance forms the basic tool necessary for solving thermodynamic issues.
3b). 24 2 Selection of Optimal Heating Structures Fig. 3 Diagrams of: a Alternative I: conventional coal-fired condensing power plant repowered by gas turbine and heat recovery steam generator in a parallel system; SR, HPR, LPR—in turn steam reheating, high pressure regeneration, low pressure regeneration. b Alternative II; conventional coal-fired condensing power plant repowered by gas turbine and heat recovery steam generator with closed feedwater heaters for production of high and intermediate pressure steam and a low-pressure regeneration in a parallel system The total energy efficiency of the power plant repowered with a gas turbine can be expressed with the equation grep Eel ¼ ST GT N ST el þ DN el þ N el ; _ _ ðPðNCVÞÞ coal þ ðPðNCVÞÞgas ð2:44Þ and is greater than the energy efficiency of the power plant priori to its repowering (Fig.
The demand for low-temperature energy; a decrease of t5 is accompanied by an increase of gHRSG). Concurrently, the temperatures of exhaust gases in the heat recovery steam generator have to be higher than the temperatures of interstage steam and feed water. An increase in the power of the gas turbine above N GT el min would increase the temperature of gases at the exhaust of the heat recovery steam generator. Thus, this solution would be a drawback from the thermodynamics perspective and, presumably, economic one as well.