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Comparison of Alternate Cooling Technologies for California Power Plants Economic, Environmental and Other Tradeoffs

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Comparison of Alternate Cooling Technologies for California Power Plants Economic, Environmental and Other Tradeoffs ( comparison-alternate-cooling-technologies-california-power-p )

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Power Requirements Figures 8-7 and 8-8 display the power requirements for both wet- and dry-mode operation, plotted against design approach to wet bulb in the former case and to dry bulb in the latter. Based on the same evaluated cost of power of $3625/kW as was used in the wet cooling tower analysis (see Section 5), the total evaluated costs for the unlimited water case are shown in Figure 8-9. The annual power use in the 50% case depends on the particular operating strategy throughout the year and is not addressed here. 3,300 3,100 2,900 2,700 2,500 2,300 2,100 1,900 1,700 1,500 Figure 8-7 Evaporative Condenser—Fan and Pump Power vs. Approach (for New 500-MWe Combined-Cycle Plants with 170-MWe Steam Cycle) 3,800 3,600 3,400 3,200 3,000 2,800 2,600 2,400 2,200 2,000 Figure 8-8 Evaporative Condenser Power Requirements in Dry-Mode Operation (for New 500-MWe Combined-Cycle Plants with 170-MWe Steam Cycle) 25303540455055 Tcond-Twet bulb Emerging Technologies Wet mode power BHP = -48.412(Tcond - Twb) + 4341.9 Dry mode power 50 55 60 65 70 75 80 85 90 Tcond-Tdry bulb 8-13 Fan Power, BHP Total Powebr,hp

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Comparison of Alternate Cooling Technologies for California Power Plants Economic, Environmental and Other Tradeoffs

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