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All Journal International Journal of Mechanical, Electrical and Civil Engineering
Muhammaad Yusan Naim
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Engineering

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Mobile Solar Power Plant (PLTS Mobile) for BASARNAS Operational Area Muhammaad Yusan Naim; Syamsir Syamsir; Muh. Fauzan Suardi
International Journal of Mechanical, Electrical and Civil Engineering Vol. 2 No. 2 (2025): April : International Journal of Mechanical, Electrical and Civil Engineering
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/ijmecie.v2i2.268

Abstract

Indonesia is a developing country located at the convergence of four tectonic plates, making it highly prone to natural disasters such as earthquakes, tsunamis, landslides, and volcanic eruptions. These frequent disasters highlight the critical need for reliable electricity during emergencies. However, disaster-affected areas often struggle to restore power due to accessibility issues. To address this, alternative energy sources are needed, and Solar Power Plants (PLTS) offer a practical solution. PLTS are easy to implement, depend only on sunlight, and provide clean energy with low carbon emissions. Under clear skies, solar radiation can reach 1,000 Watts per square meter, making it a powerful energy source. Additionally, PLTS systems are adaptable and can be deployed in various formats, including mobile units. This study focuses on designing a Mobile PLTS to support BASARNAS operations in disaster zones. Data collection was conducted using resources from BNPB, BMKG, BASARNAS, and NASA. The analysis includes the geographical characteristics of the site, solar radiation intensity, and the operational dimensions of the BASARNAS Mobile Truck. The study aims to determine the suitable system specifications and estimate the energy production capacity of the Mobile PLTS. The proposed design features 20 solar panels, each with a capacity of 300 Wp, producing an average of 27.70 kWh per day. It also includes 16 batteries for energy storage. The remaining space in the truck can be used for transporting logistics or essential tools, making it a multifunctional unit ideal for disaster response scenarios.
Design of Preventive Maintenance on the Electrical System of Agitator for Seed Precipitation Tank at PT Borneo Alumina Indonesia Muhammaad Yusan Naim; Arif Jaya; Putra Rahmatullah
International Journal of Mechanical, Electrical and Civil Engineering Vol. 3 No. 3 (2026): July: International Journal of Mechanical, Electrical and Civil Engineering.
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/ijmecie.v3i3.414

Abstract

PT Borneo Alumina Indonesia is a company engaged in processing bauxite into alumina, where the reliability of the agitator system in the seed precipitation tank plays a crucial role in maintaining continuous production. However, failures in the agitator electrical system can lead to significant downtime, resulting in operational losses and decreased production efficiency. Therefore, this study aims to design an effective preventive maintenance schedule to improve system reliability and optimize production performance. The research applies Failure Mode and Effects Analysis (FMEA), Risk-Based Maintenance (RBM), and Reliability-Centered Maintenance (RCM), supported by Weibull distribution analysis to evaluate failure characteristics and determine optimal maintenance intervals. The results show that the proposed preventive maintenance strategy is effective in improving system reliability, with an increase of up to 13% compared to conditions without preventive maintenance. The maintenance plan includes routine inspections of critical components, as well as scheduled replacements at one-, two-, and three-year intervals integrated with annual overhauls. In addition, the implementation of this maintenance schedule reduces annual downtime to 3.84%, enabling alumina production to reach up to 96% of the theoretical capacity of 1,000,000 tons per year. In conclusion, the proposed maintenance strategy not only enhances equipment reliability but also supports sustainable operational efficiency in alumina production processes.
Co-Authors Arif Jaya Muh. Fauzan Suardi Putra Rahmatullah Syamsir Syamsir