A CSP supercritical steam power plant using a concentrating collector arrayfor DSG (refer to Figure 8.12) is operating under the following conditions: • Plant electric power output Pel = 28 MW • Intensity of beam solar radiation incident on the concentrator aperture Ibc = 798 W/m2 • Aperture area of a single concentrator module Aap = 420 m2 • Efficiency of the collector ηc = 0.7 • Power plant thermal efficiency ηth = 0.39 • Efficiency of the electric generator ηg = 0.97 • HTF is water/steam • Superheated steam condition at the absorber outlet/turbine inlet: ps = 250 bars, ts = 600°C • Feedwater temperature at the absorber inlet = tw = 280°C Calculate (i) the power plant overall (electrical) efficiency, (ii) the thermal capacity of the power plant, (iii) the rate of useful heat output of a DSG collector module, (iv) the number of concentrator modules, and (v) the steam generation rate of the solar collecto
A CSP supercritical steam power plant using a concentrating collector arrayfor DSG (refer to Figure 8.12) is operating under the following conditions:
• Plant electric power output Pel = 28 MW
• Intensity of beam solar radiation incident on the concentrator aperture
Ibc = 798 W/m2
• Aperture area of a single concentrator module Aap = 420 m2
• Efficiency of the collector ηc = 0.7
• Power plant thermal efficiency ηth = 0.39
• Efficiency of the electric generator ηg = 0.97
• HTF is water/steam
• Superheated steam condition at the absorber outlet/turbine inlet:
ps = 250 bars, ts = 600°C
• Feedwater temperature at the absorber inlet = tw = 280°C
Calculate (i) the power plant overall (electrical) efficiency, (ii) the thermal capacity of the power plant, (iii) the rate of useful heat output of a
DSG collector module, (iv) the number of concentrator modules, and (v) the steam generation rate of the solar collector.
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