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Jurnal Teknika dan Informatika Abnus Publisher

Performance Analysis of the Direct Contact Unit 3 Spray Condenser at PT.X Geothermal Power Plant

2021-11-30
Published
104-118
Pages
OPEN
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ES
Edwin Syahrial
Fakultas Teknik dan Informatika, Program Studi Teknik Mesin, Universitas Dian Nusantara, Jakarta, Indonesia
AB
Anggananda Berlian
Fakultas Teknik dan Informatika, Program Studi Teknik Mesin, Universitas Dian Nusantara, Jakarta, Indonesia
Abstract

Purpose: The research conducted was an analysis of the condenser performance.

Research Methodology: Based on the specification data, the turbine’s heat rate was calculated, resulting in a value of 20,973.036 kJ/kWh, which was compared to the actual value of 20,088.783 kJ/kWh. kJ/kWh, If in deviates as much as 4.2%.

Results: The calculation efficiency of the condenser in the specification data is 89.75%, but for the actual data, it is 82.35%. The energy balance in the design condenser was 0.02721, whereas the actual energy balance was 0.02505.

Conclusions: From the results of this analysis, it can be concluded that the calculation of the Heat Rate exceeds the tolerance limit of ASME PTC 6 by 2%. The performance value in the condenser decreases because the pressure in the condenser has a pressure difference that is almost a lot, amounting to 0.08–0.09 bar, affecting the quality of the incoming steam.

Limitations: This study is limited by the specific conditions of the spray-type condenser analyzed, where only one unit was considered under controlled operational conditions. The study focuses on a single turbine unit at PT. X Geothermal Power Plant, which may not be applicable to other plants or geothermal systems.

Contributions: This study contributes to a better understanding of the performance of spray-type condensers in geothermal power plants, particularly in terms of heat rate, efficiency, and energy balance. The analysis presented in this study provides insights into the operational efficiency of geothermal power systems and highlights the impact of insulation leaks and temperature variations on condenser performance.

Condenser Geothermal Power Plant Spray Condenser
How to Cite
Syahrial, E., & Berlian, A. (2021). Performance Analysis of the Direct Contact Unit 3 Spray Condenser at PT.X Geothermal Power Plant. Jurnal Teknika Dan Informatika, 1(2), 104-118. https://doi.org/10.52909/jti.v1i1.13
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Syahrial, E., & Berlian, A. (2021). Performance Analysis of the Direct Contact Unit 3 Spray Condenser at PT.X Geothermal Power Plant. Jurnal Teknika Dan Informatika, 1(2), 104-118. https://doi.org/10.52909/jti.v1i1.13
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