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All Journal Indonesian Journal of Electrical Engineering and Computer Science Jurnal Teknik dan Science (JTS)
Made Sudana
Politeknik Negeri Bali
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering

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Experimental investigation of soil pH Engineering with eco enzyme to improve grounding performance I Wayan Jondra; Zulkurnain Abdul-Malek; I Nengah Sunaya; Made Sudana; I Made Purbhawa
Indonesian Journal of Electrical Engineering and Computer Science Vol 42, No 1: April 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v42.i1.pp23-29

Abstract

The reliability of electric power distribution, in mitigating fault and disturbances, is strongly influenced by the effectiveness of grounding systems. A key factor in achieving low grounding resistance an essential requirement per construction and safety standards is soil condition. High grounding resistance is frequently observed in field implementations and is closely linked to soil resistivity, type, stratification, moisture content, and acidity (pH). This quantitative applied research addresses the persistent challenge of high grounding resistance by experimenting with investigating six grounding system models subjected to varying soil acidity levels. The study introduces the use of eco enzyme as a natural additive to modify soil pH and examines its effect on grounding resistance. Findings reveal that eco enzyme application successfully lowers soil pH, with an optimal reduction in grounding resistance observed at pH 3.8 achieving a drop from 40 ohms to 9 ohms. However, further lowering the pH below 3.8 results in a rise in resistance, indicating a threshold where acidic conditions become counterproductive. This research opens opportunities for broader applications of eco enzyme-treated soil in non-rod electrode systems and across diverse soil types, suggesting promising pathways for enhancing grounding systems in various environmental conditions.
Trek Angker di Sawah Basah Mampu Memperkuat Pondasi Tipe-C I Wayan Jondra; I Made Dirgayusa; I Nyoman Sedana Triadi; Made Sudana; I Nengah Sunaya
Jurnal Teknik dan Science Vol. 5 No. 1 (2026): Februari : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v5i1.2630

Abstract

Nowday Electrical energy consistently as an crucial role to support daily activities, so its the construction must be reliable, but incidents the corner pole construction failure also occur. It is very interesting to research, this case study to reveal the fulfillment of the technical requirements of electricity pole number NA0185 A7, to analyze the accuracy of its construction using a C-type foundation. Conducting by observations not just soil testing samples in the laboratory, but also directly in the field through sondir tests, then the data is processed statistically and mathematically. This study found that according to the technical requirements of electricity pole number NA0185 A7 constructed with a C-type pole foundation meets the technical standard and under normal condition this pole will not failure construction. This study found that on land eroded condition by irrigation water  at the  pole foundation base the maximum soil stress that occurs is 252.12 kN/m2, this value is much smaller than the ultimate bearing capacity (Qu) on 415.29 kN. This study also found that in wet rice fields  the horizontal anchor ultimate capacity of (TuH) was 22.01 kilo Newtons, which is smaller than the horizontal force at the top of the pole, which reached 5.87 kilo Newtons, so that the anchor track would be able to protect against overturning forces. Since all technical factors have been researched and analyzed, it is reasonable to suspect that there were non-technical factors on June 21, 2021, because there was heavy rain accompanied by lightning and strong winds reaching 20 knots from the northeast) and the intensity of rain at 21.00 – 22.00 WITA was up to 25.3 mm/hour (Very Heavy), which caused the NA0185 A7 pole was down.
Co-Authors I Made Dirgayusa I Made Purbhawa I Nengah Sunaya I Nyoman Sedana Triadi I Wayan Jondra Zulkurnain Abdul-Malek