Organic Rankine Cycle (ORC) in geothermal power plants

Hijriawan, M and Pambudi, N A and Biddinika, M K and Wijayanto, D S and Kuncoro, I W and Rudiyanto, B and Wibowo, K M (2019) Organic Rankine Cycle (ORC) in geothermal power plants. Journal of Physics: Conference Series, 1402. ISSN 1742-6588

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Abstract

Organic Rankine Cycle is a technology that convert low-temperature heat sources intoa mechanical energy, and it can be used to produce electrical energy in a closed system. The heatsources can be received from renewable energy such as geothermal, solar, and biomass.Furthermore, the ORC system can also be used to increase energy efficiency in the industry byutilizing the waste heat produced. Therefore, there are two classification of the ORC system,namely a heat recovery system and binary power plant. Recently, the ORC system has made athrive in the geothermal power plant. The ORC system can be applied to resources with low tomedium temperature characteristics (<90°C - 150°C). This paper will present an overview of theimplementation, model, and innovation of ORC system technology in geothermal resources.

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