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Journal : Journal Of Renewable Energy Engineering

STUDI NILAI RESITENSI ELEKTRODA PENTANAHAN MENGGUNAKAN METODE TIGA KUTUB PADA KONDISI TANAH BERBEDA Kamil Amali, Lanto Mohamad; Mento, Isnain Sarjan; Salim, Sardi; Tolago, Ade Irawati; Ntobuo, Nova Elysia; Utama, Komang Arya
Journal Of Renewable Energy Engineering Vol. 2 No. 2 (2024): Journal Of Renewable Energy Engineering (Oktober)
Publisher : Program Vokasi-Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56190/jree.v2i2.47

Abstract

The grounding system serves as a safe path for electrical current to flow to the ground, which is important in preventing the risk of equipment damage and safety hazards. One of the critical parameters in this system is the resistance of the ground electrode, which can be measured using the three-point method. Based on PUIL 2000, the recommended grounding resistance value for electrical installations must be less than 5 ohms so that the system can work optimally and safely. The three-pole method is known to be accurate because it minimizes the influence of the environment around the electrode. However, factors such as soil type, humidity, and mineral content greatly influence the resistance of the ground electrode. Therefore, this study aims to evaluate the resistance of grounding electrodes in various types of soil, such as clay, swamp soil, damp sandy soil, dry soil, and rocky soil. Research results: The best grounding electrode resistance values ​​were obtained in clay and moist sandy soil (coastal). Meanwhile, the resistance value of the ground electrode for dry soil, rocky soil, and swamp soil does not meet the standard of ≤ 5 ohms. The factors that cause the resistance value of the ground electrode not to meet the standard are because in swampy soil the soil is dominated by insulating organic material and low content of conductive minerals. Also, moisture imbalance, electrode corrosion, and less-than-optimal electrode installation contribute. At the same time, dry soil and rocky soil are characterized by having a high level of resistivity due to low water and mineral content and a texture that does not support optimal electrical conductivity where field measurement results are not yet available. Meets the standard ≤ 5 Ω
STUDI RESISTANSI ELEKTRODA PENTANAHAN MENGGUNAKAN METODE TIGA KUTUP: STUDI PENGARUH BENTONIT nain, isnain sarjan mento; Amali, Lanto Mohamad Kamil; Salim, Sardi
Journal Of Renewable Energy Engineering Vol. 3 No. 1 (2025): Journal Of Renewable Energy Engineering
Publisher : Program Vokasi-Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56190/jree.v3i1.44

Abstract

Berdasarkan penelitian pengukuran resistansi elektroda pentanahan pada kondisi tanah berbeda dengan pengukuran normal (metode tiga kutub) dengan panjang batang elektroda tembaga dan besi 90 cm, diameter 10 mm dan kedalaman 0,4 meter dan 0,7 meter maka dapat disimpulkan: Tahanan jenis tanah berpengaruh pada nilai pentanahan. Nilai tahanan pentanahan terbaik diperoleh pada jenis tanah liat dan tanah lembab berpasir (pantai). Sedangkan nilai tahanan tanah kering dan berbatu dibutuhkan panjang dan kedalaman pada saat penelitian pengukuran tahanan pentanahan. Kedalaman penanaman batang elektroda berpengaruh pada nilai tahanan pentanahan, semakin dalam penanaman semakin kecil nilai tahanan pentanahan. Hasil pengukuran pada jenis tanah liat dan tanah lembab berpasir (pantai) mendapatkan hasil yang telah memenuhi standar ( PUIL 2000) yang menerapkan besar nilai tahanan sebesar ≤ 5 Ω. Hal ini terjadi karena pada lapisan tanah liat dan tanah berpasir (pantai) memiliki konduktivitas baik yang mampu mengalirkan arus listrik kedalam tanah dengan baik.