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Jurnal Teknika dan Informatika Abnus Publisher

Performance Analysis of the Main Cooling Water Pump at PT.X Geothermal Power Plant

2021-11-30
Published
119-134
Pages
OPEN
Access
AP
Aditya Purbianto
Fakultas Teknik dan Informatika, Program Studi Teknik Mesin, Universitas Dian Nusantara, Jakarta,
BA
Bambang Setiyo Adji
Fakultas Teknik dan Informatika, Program Studi Teknik Mesin, Universitas Dian Nusantara, Jakarta, Indonesia
Abstract

Purpose: The purpose of this study is to analyze the performance of a spray-type condenser in a geothermal power plant, focusing on heat rate, efficiency, and energy balance.

Research Methodology: This study used daily data collection on the main cooling water pump, followed by a calculation analysis to determine motor power, pump power, and efficiency. The results were compared with the commissioning values to assess the performance of the system.

Results: The calculated turbine heat rate was 20,973.036 kJ/kWh, while the actual heat rate was 20,088.783 kJ/kWh, showing a deviation of 4.2%. The condenser efficiency from the specification data was 89.75%, whereas the actual efficiency was 82.35%. The energy balance in the design condenser was 0.02721, and the actual energy balance was 0.02505.

Conclusions: The study concluded that the actual heat rate exceeded the tolerance limit of ASME PTC 6 by 2%. The condenser’s performance was compromised due to a significant pressure difference, which affected the vacuum and overall efficiency of the equipment.

Limitations: This study is limited by the specific conditions of the spray-type condenser and focuses on a single unit at PT. X Geothermal Power Plant. The analysis did not fully account for real-world operational variations, and only one turbine unit was considered.

Contributions: This research contributes to understanding spray-type condenser performance, particularly in geothermal power plants. It provides valuable insights into improving the condenser’s efficiency and operational performance.

Condenser Efficiency Energy Balance Geothermal Energy Systems Power Plant Performance Turbine Heat Rate
How to Cite
Purbianto, A., & Adji, B. S. (2021). Performance Analysis of the Main Cooling Water Pump at PT.X Geothermal Power Plant. Jurnal Teknika Dan Informatika, 1(2), 119-134. https://doi.org/10.52909/jti.v1i1.14
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Purbianto, A., & Adji, B. S. (2021). Performance Analysis of the Main Cooling Water Pump at PT.X Geothermal Power Plant. Jurnal Teknika Dan Informatika, 1(2), 119-134. https://doi.org/10.52909/jti.v1i1.14
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