Analysis of a Water-Cooled Condenser in Series with an Air-Cooled Condenser for a Proposed 1-MW Geothermal Power Plant

Eric Kozubal, Charles Kutscher

Research output: Contribution to conferencePaperpeer-review

6 Scopus Citations

Abstract

The original proposal for a new 1-MWe geothermal power plant at Empire, Nevada was to have an air-cooled condenser with some type of evaporative cooling enhancement in the summertime. Such enhancement is of significant value because the net electric power output of air-cooled plants can drop by 50% or more on hot summer afternoons, and this is a time when electricity is highly valued. NREL used the proposed Empire design as the initial basis for a spreadsheet analysis of various ways to evaporatively cool the air passing through air-cooled condensers. In this latest analysis, we have expanded the previous work by investigating the concept of using a conventional water-cooled condenser in series with, and downstream of, the air-cooled condensers. The results of this analysis have been included as an additional option in the spreadsheet.

Original languageAmerican English
Pages587-591
Number of pages5
StatePublished - 2003
EventInternational Collaboration for Geothermal Energy in the Americas - Geothermal Resources Counsil: 2003 Annual Meeting - Morelia, Michoacan, Mexico
Duration: 12 Oct 200315 Oct 2003

Conference

ConferenceInternational Collaboration for Geothermal Energy in the Americas - Geothermal Resources Counsil: 2003 Annual Meeting
Country/TerritoryMexico
CityMorelia, Michoacan
Period12/10/0315/10/03

NREL Publication Number

  • NREL/CP-550-34528

Keywords

  • Air-cooled condenser
  • Cooling tower
  • Evaporative cooling
  • Geothermal
  • Power plant

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