Linda Faridah
Siliwangi University

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Feasibility Analysis of Lightning Grounding System at SAMSAT Soekarno-Hatta Building Bandung City Based on PUIL Standard Mochmamad Raihan Febriana; Linda Faridah
Journal of Mechatronics and Artificial Intelligence Vol. 1 No. 2 (2024): JMAI: December 2024
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/jmai.v1i2.76024

Abstract

Protection from surges caused by lightning is an important concern in public buildings, including in SAMSAT Soekarno-Hatta Building, Bandung City, which functions as a service center with high electricity consumption and various sensitive electronic equipment. An adequate grounding system is required to conduct excess current to ground to protect electronic devices and ensure occupant safety. This study aims to evaluate the feasibility of the lightning grounding system at the Bandung SAMSAT Building based on the PUIL 2000 safety standard, which stipulates that the grounding resistance value must be below 5 ohms to achieve optimal protection. The grounding resistance measurement is carried out using an earth tester, which is able to measure the actual resistance of the building grounding system. Based on the measurement results, the resistance value obtained is 4.44 ohms. This value meets the requirements of PUIL 2000 and indicates that the grounding system in the building is within safe limits. In addition to resistance measurements, visual observations were also made to ensure the physical condition of grounding components, such as lightning rods and connecting conductors, which were found to be in good condition although there were signs of light corrosion on the conductors. The conclusion of this research shows that the grounding system in the Soekarno-Hatta SAMSAT Building meets the eligibility standards for lightning protection. This has positive implications for the protection of buildings and electronic equipment from the risk of lightning strikes. The suggested recommendation is routine maintenance to maintain the performance of the grounding system, especially in the area of corroded conductors, so that the resistance value remains within safe limits.
Design and Simulation of a Hybrid Solar and Wind Power Plant System in South Garut Using HOMER Software Aditya Aditya; Ifkar Usrah; Linda Faridah
Journal of Mechatronics and Artificial Intelligence Vol. 2 No. 1 (2025): JMAI: June 2025
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/jmai.v2i1.82865

Abstract

The increasing demand for sustainable energy highlights the urgency of integrating renewable energy sources into power generation systems. South Garut, Indonesia, offers significant potential for solar and wind energy, particularly in the coastal area of Cibalong District. This study aims to design and simulate a hybrid solar and wind power plant system optimized using the HOMER software. Field observations, energy consumption data collection, and analysis of local renewable energy resources were conducted to establish the system parameters. The HOMER software was utilized to perform simulation, optimization, and sensitivity analysis, considering factors such as Net Present Cost (NPC), Cost of Energy (COE), Return on Investment (ROI), and Internal Rate of Return (IRR). The simulation results indicate that integrating photovoltaic panels and wind turbines within an on-grid hybrid configuration significantly enhances system reliability and cost-efficiency. The optimal system configuration achieves a competitive COE while ensuring long-term energy sustainability. This research provides a reference model for the development of renewable energy-based power systems in remote coastal areas, supporting national initiatives to increase the share of renewable energy in Indonesia’s energy mix.