Gravel in the Switchyard Area of a Main Substation on Sandy Clay Soil

Authors

  • Gusti Ngurah Janardana Electrical Engineering, Udayana University, Jl. Raya Kampus Unud, Jimbaran City, Bali, Indonesia 80361
  • Wayan Arta Wijayab Electrical Engineering, Udayana University, Jl. Raya Kampus Unud, Jimbaran City, Bali, Indonesia 80361
  • Nyoman Budiastra Electrical Engineering, Udayana University, Jl. Raya Kampus Unud, Jimbaran City, Bali, Indonesia 80361
  • Made Suartika Electrical Engineering, Udayana University, Jl. Raya Kampus Unud, Jimbaran City, Bali, Indonesia 80361
  • Gede Ari Aditya Electrical Engineering, Udayana University, Jl. Raya Kampus Unud, Jimbaran City, Bali, Indonesia 80361

Keywords:

Grounding, Gravel Thickness, Sandy Clay Soil

Abstract

The thickness of the gravel laid in the switchyard area of a main substation impacts the touch and step voltage values. The gravel thickness generally varies from 0.08 meters to 0.15 meters, tailored to the soil texture at the substation site. This study aimed to determine the optimal gravel thickness in the switchyard equipment area of a main substation on sandy clay soil. A descriptive quantitative analysis method was used. The results revealed that increasing the gravel thickness from 0.08 meters to 0.17 meters resulted in decreased step and touch voltage values. Gravel thicknesses from 0.08 meters to 0.14 meters maintained safe step voltage levels, while thicknesses from 0.15 meters to 0.17 meters achieved the best outcomes, under both wet and dry conditions of the sandy clay soil.

References

. Agus Pranoto, Hans Tumaliang, Glanny M.Ch. Mangindaan. Analisa Sistem Pentanahan Gardu Induk Teling Dengan Konstruksi Grid (Kisi-kisi) Jurnal Teknik Elektro dan Komputer Vol. 7, No.3, Juli-Oktober 2018, ISSN : 2301 – 8402

. Andira, R. 2018. Analisis Sistem Pertanahan Grid pada Gardu Induk 2 x 500 MVA Galang. Medan: Universitas Sumatra Utara.

. Hardi, S., Harahap, IS., Rangkuti, HH., Wirasari, RR. Tegangan Potensial Tanah Pada Sistem Pentanahan Gardu Induk Dua Lapisan. SEMNASTEK UISU 2023. ISBN : 2987-6818.

. Setiono, DA. 2016. Studi Pengaruh Kandungan Air Tanah Terhadap Tahanan Jenis Tanah Lempung (Clay). Jurnal Ilmiah Teknik Elektro Universitas Tanjungpura.Hal. 1-8

. Rauf, R. 2014. Studi Pemanfaatan Listrik Untuk Menaiikkan Tahanan Pentanahan Kaki Manusia Pada Area Gardu Induk PT Semen Padang. Jurnal Teknik Elektro ITP Volume 3 No. 2; Juli 2014.

. Latiefa,RF., Zakir,I., Subekti, M. 2018. Pengaruh Kelembaban Tanah Terhadap Tahanan Pentanahan Studi Kasus Pada Gardu Induk Kemayoran 150 kV. | Jurnal ofElectricalandVocationalEducationand Technology, Vol.3, No.1, Juni 2018, 18-23.

. Mahadewi, KM., Janardana, IGN., Wijaya, IWA,. 2019.

Analisis Tegangan Langkah dan tegangan Sentuh Serta erencanaan Sistem Pembumian Pada Pembangunan Substation VVIP. Di Bandara Internasional I Gusti

Ngurah Rai Bali. Journal SPEKTRUM Volume 6, No. 1

Maret 2019. Jimbaran : Program Studi Teknik Elektro

Universitas Udayana.

. Suartika, IM. 2017. Sistem Pembumian (Grounding) Dua Batang Sistem Pengaman Tenaga Listrik. Bali: Universitas Udayana Bali.

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Published

2025-02-03

How to Cite

Gusti Ngurah Janardana, Wayan Arta Wijayab, Nyoman Budiastra, Made Suartika, & Gede Ari Aditya. (2025). Gravel in the Switchyard Area of a Main Substation on Sandy Clay Soil. International Journal of Sciences: Basic and Applied Research (IJSBAR), 76(1), 58–65. Retrieved from https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/17274

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