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- W2183674270 abstract "Patuha geothermal field in west Java, Indonesia has nine production wells and four non-commercial wells that are intended for power plant unit 1. The noncommercial wells can be used as injection wells. The production wells have enthalpies that range between 2400 and 2700 kJ/kg with non-condensable gas contents ranging between 1.10 and 1.77 %-weight of steam. The objective of this study was to determine the optimum output power to be generated using a singleflash system geothermal energy conversion model. The study is based on thermodynamic analyses and uses the Engineering Equation Solver software for its calculations. The results show that with the current supply from the existing nine wells, the turbine can produce 60,130 kW with a power output of 56,262 kW. This value is generated by a 6 bar separator pressure and a 0.08 bar-a condenser pressure. The steam ejector would consume 6.5 kg/s steam, equivalent to about 2,922 kW of electrical power. The auxiliary power needed for pumping, the cooling tower fan and other applications totals 3,868 kW. To obtain optimum output power and reduce equipment size, it is suggested that the power plant be designed using 6.5 bar separator pressure and a 0.1 bar-a condenser pressure. With these pressures, the design turbine-generator would generate 58,141 kW and the output power would be 55,417 kW. The steam ejector would consume 5.2 kg/s steam, equivalent to about 2,327 kW of electrical power. The auxiliary power for pumping, cooling tower fan and other applications would equal 2,724 kW. A double-flash system was also analysed to improve the single-flash plant. By adding a second flash on the separation water, the plant would generate an additional 1,251 kW output power. Also, combined with low-pressure steam from non-commercial wells, the plant could generate an additional 4,661 kW output power. The extra output power would add 8.4% to the single-flash plant output power." @default.
- W2183674270 created "2016-06-24" @default.
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- W2183674270 date "2006-01-01" @default.
- W2183674270 modified "2023-09-27" @default.
- W2183674270 title "Thermodynamic analysis of preliminary design of power plant unit I Patuha, West Java, Indonesia" @default.
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