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Analysis of the Soiling System in the Bukit Berkapur District in the Uluwatu Area, South Bali


Author: I Nyoman Gede Adrama*, I Nengah Riana, I Made Asna
Department of Electrical Engineering, Universitas Pendidikan Nasional. Denpasar, Indonesia.
Published Date: 2025-07-02
Keywords: grounding system, soil resistivity, electrodes, calcareous hills, Uluwatu, South Bali.
Abstract:
This study discusses the design and implementation of a paving system in a calcareous hill area in the Uluwatu area, South Bali. This area has unique soil characteristics with high resistivity that can affect the effectiveness of the grounding system. The main objective of this study is to develop an effective grounding system and meet applicable electrical safety standards. The methodology used includes soil resistivity analysis, selection of materials and appropriate electrode designs, and the use of additives to improve soil conductivity. The results of soil resistivity measurements show significant variations at several points, which are the basis for determining the location and configuration of the electrode. The electrodes used are made of copper and galvanized steel, with the addition of bentonite to improve contact with the ground. The grid or net system is chosen as the main design to evenly distribute the grounding current. Initial testing after installation showed that the designed grounding system was able to lower soil resistance to safe values and meet safety standards. This study concludes that with proper analysis and the use of appropriate technology, grounding systems in calcareous hill areas can be implemented effectively. This result is expected to be a reference for the design of a grounding system in areas with similar soil conditions in Indonesia.