Optimal Flash Pressure Calculation

Date and Time
October 20, 2020 03:45 PM (PDT)–04:45 PM (PDT)

Equations and solutions are presented for determining the flash pressure that will optimize the turbine output for a single flash geothermal power plant. An Excel steam properties add-in is used to calculate the optimal flash pressure for a single flash geothermal power plant. This add-in includes the partial derivatives of steam properties, in addition to the steam properties themselves. This allows for a real time solution for optimizing power plant output without depending upon curvefits or rules-of-thumb. The DCS (distributed control system) for geothermal power plants typically have the capability to have real-time interactions with a Microsoft Excel program. This paper describes such a solution.

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