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All Journal Greenation International Journal of Engineering Science Greenation International Journal of Engineering Science
Faiz, Faizin
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Aerospace Engineering Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Energy Efficiency Analysis of a Hydraulic Power Unit (HPU) System on a Winch during Tensile Load Testing Faiz, Faizin; Komarudin, Komarudin
Greenation International Journal of Engineering Science Vol. 3 No. 4 (2025): (GIJES) Greenation International Journal of Engineering Science (December 2025
Publisher : Greenation Research & Yayasan Global Resarch National

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/gijes.v3i4.722

Abstract

This study aims to analyze the energy efficiency of a Hydraulic Power Unit (HPU) system in driving a winch during tensile load testing. Experiments were conducted on a hydraulic winch with a maximum capacity of 10 tons by applying tensile loads gradually from 2 to 10 tons. The measured parameters include hydraulic pressure, flow rate, pulling force, and rope winding speed. Hydraulic input power and mechanical output power were calculated to evaluate system efficiency. The results indicate that the HPU system is capable of operating the winch stably under all tested load conditions. System efficiency tends to increase from low to medium load levels and then becomes relatively constant or slightly decreases at higher loads due to increasing energy losses caused by mechanical friction, internal leakage, and pressure drops in the hydraulic system. These findings suggest that proper selection of operating parameters and regular maintenance of hydraulic components are essential to improve the overall energy efficiency and reliability of HPU-driven winch systems.
Energy Efficiency Analysis of a Hydraulic Power Unit (HPU) System on a Winch during Tensile Load Testing Faiz, Faizin; Komarudin, Komarudin
Greenation International Journal of Engineering Science Vol. 3 No. 4 (2025): (GIJES) Greenation International Journal of Engineering Science (December 2025
Publisher : Greenation Research & Yayasan Global Resarch National

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/gijes.v3i4.722

Abstract

This study aims to analyze the energy efficiency of a Hydraulic Power Unit (HPU) system in driving a winch during tensile load testing. Experiments were conducted on a hydraulic winch with a maximum capacity of 10 tons by applying tensile loads gradually from 2 to 10 tons. The measured parameters include hydraulic pressure, flow rate, pulling force, and rope winding speed. Hydraulic input power and mechanical output power were calculated to evaluate system efficiency. The results indicate that the HPU system is capable of operating the winch stably under all tested load conditions. System efficiency tends to increase from low to medium load levels and then becomes relatively constant or slightly decreases at higher loads due to increasing energy losses caused by mechanical friction, internal leakage, and pressure drops in the hydraulic system. These findings suggest that proper selection of operating parameters and regular maintenance of hydraulic components are essential to improve the overall energy efficiency and reliability of HPU-driven winch systems.
Co-Authors Komarudin Komarudin