Advanced monitoring of geothermal Organic Rankine Cycles

Matthäus Irl, Christopher Schifflechner, Christoph Wieland and Hartmut Spliethoff

Renewable Energy, 2023, vol. 217, issue C

Abstract: Geothermal Organic Rankine Cycle (ORC) power plants have tremendous worldwide potential for the utilization of low- and medium-temperature geothermal resources. However, monitoring of such a system is associated with special challenges for plant operators since the generated electrical power fluctuates strongly, which is caused by mainly two reasons: Firstly, due to the changing condensation conditions caused by air-cooled condensers, and secondly, due to the formation of scaling and fouling. Therefore, the process parameters of a geothermal ORC plant are highly variable, both in terms of diurnal and seasonal fluctuations. Considering the currently applied control software in commercial ORC plants, these fluctuations result in challenges regarding a reliable identification of potential degradation processes within the ORC process.

Keywords: Advanced monitoring; Geothermal energy; Geothermal power plants; Maintenance optimization; Organic Rankine Cycle (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:217:y:2023:i:c:s0960148123010388

DOI: 10.1016/j.renene.2023.119124

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