03/01742 Exergy analysis of a dual-level binary geothermal power plant

This study presents four analysis at unit 4 Kamojang geothermal power plant are exergy analysis at current condition, exergy efficiency optimization, economic optimization, and exergoeconomic optimization with wellhead valve pressure as a variable. Calculations are conducted by using the MATLAB. Thermodynamics characteristic of geothermal fluid assumed as water characteristic which get from REFPROP. Wellhead pressure operational condition 10 bar has exergy efficiency 31.91%. Exergy efficiency optimization has wellhead valve pressure 5.06 bar, exergy efficiency 47.3%, and system cost US$ 3,957,100. Economic optimization has well pressure 11 bar, exergy efficiency 22.13%, and system cost US$ 2,242,200. Exergoeconomic optimization has 15 optimum condition. Exergoeconomic optimization aims to analyze the optimum wellhead valve pressure for maximum exergy efficiency and minimum cost of power plant system.

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Performance optimization and improvement of a flash-binary geothermal power plant using zeotropic mixtures with PSO algorithm

Geothermics ◽

10.1016/j.geothermics.2018.02.004 ◽

2018 ◽

Vol 74 ◽

pp. 45-56 ◽

Cited By ~ 25

Author(s):

Mohammad-Reza Kolahi ◽

Arash Nemati ◽

Mortaza Yari

Keyword(s):

Power Plant ◽

Performance Optimization ◽

Pso Algorithm ◽

Geothermal Power Plant ◽

Binary Geothermal Power Plant ◽

Geothermal Power

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Exergetic Performance Assessment of a Binary Geothermal Power Plant

Progress in Exergy, Energy, and the Environment ◽

10.1007/978-3-319-04681-5_3 ◽

2014 ◽

pp. 23-32

Author(s):

Yildiz Kalinci ◽

Arif Hepbasli ◽

Ibrahim Dincer

Keyword(s):

Power Plant ◽

Performance Assessment ◽

Geothermal Power Plant ◽

Binary Geothermal Power Plant ◽

Geothermal Power

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Improvement potential of a real geothermal power plant using advanced exergy analysis

Energy ◽

10.1016/j.energy.2016.06.079 ◽

2016 ◽

Vol 112 ◽

pp. 254-263 ◽

Cited By ~ 30

Author(s):

Harun Gökgedik ◽

Muhammet Yürüsoy ◽

Ali Keçebaş

Keyword(s):

Power Plant ◽

Exergy Analysis ◽

Geothermal Power Plant ◽

Improvement Potential ◽

Geothermal Power

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A STUDY OF FIELD GEOTHERMAL POWER POTENTIAL & THERMODYNAMIC CONCEPTS OF PROSPECTIVE BINARY POWER CYCLE BASED GEOTHERMAL POWER PLANT FOR TATAPANI GEOTHERMAL FIELD.

June-2020 - International Journal of Engineering Sciences & Research Technology ◽

10.29121/ijesrt.v9.i12.2020.11 ◽

2020 ◽

Vol 9 (12) ◽

pp. 90-104

Keyword(s):

Power Plant ◽

Power Plants ◽

Exergy Analysis ◽

Geothermal Field ◽

Flow Diagram ◽

Exergy Destruction ◽

Geothermal Power Plant ◽

Power Cycle ◽

Geothermal Fields ◽

Geothermal Power

Tatapani Geothermal field is one of the most promising low-enthalpy geothermal fields in central India, located on Son-Narmada lineament in the state of Chhattisgarh, India. The Tatapani geothermal field geological, geo-chemical & reservoir data has been compiled and analysed for evaluating true power potential & better understanding of the field. The low enthalpy geothermal reservoirs can be utilized for power production using Organic Rankine Cycle (ORC) or binary power cycle. Based on previous research works done, the Tatapani geothermal field has been found to be very prospective and has got huge potential for power generation. The binary power cycle has been studied in detail along with thermodynamic concepts. In addition, similar low enthalpy geothermal power plants (conceptual & existing both) have been thoroughly studied in order to understand the concepts and methodology to perform technical feasibility based on thermodynamic and exergy analysis. The literature review covers the previous works done on Tatapani geothermal field including works on other geothermal fields in India along with previous research works for Thermodynamic & Exergy Analysis carried-out for binary geothermal power plants across the world for similar low enthalpy prospects. The methods of performing thermodynamic and exergy analysis for a potential geothermal power plant has been studied and compared. Exergy analysis highlights the areas of primary exergy destruction at various plant components and can be illustrated in the form of exergy flow diagram. The loss of exergy indicates the potential reasons for the inefficiencies within a process and exergic efficiency as conversion of input heat energy from the brine in to useful work output. The exergic efficiencies can be calculated for each component along with exergy destruction. The detailed study has been conducted in order to gather the knowledge regarding conducting the feasibility of setting up binary geothermal power plant at Tatapani from technical point of view using thermodynamic concepts.

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