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All Journal Elektron Jurnal Ilmiah Jurnal Andalas: Rekayasa dan Penerapan Teknologi
Yudia Meka Seftiani
Politeknik Negeri Padang
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Health Professions Industrial & Manufacturing Engineering Other

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Studi Kelayakan Sistem Pentanahan pada Gedung Teknik Elektro Universitas Andalas Yudia Meka Seftiani; Novizon Novizon
Elektron : Jurnal Ilmiah Volume 14 Nomor 2 Tahun 2022
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/eji.14.2.297

Abstract

The grounding system is one part of the electric power system that has an important role in flowing overcurrent from the electric power system to the ground due to electrical power system disturbances or lightning strikes that can endanger the building and its surroundings. This grounding system aims to protect humans, electrical equipment, and electrical installations from the danger of electrical short circuits. In compliance with official regulations, safety standards and according to general electrical installation regulatory standards (PUIL) to avoid the danger of lightning strikes in buildings, it is necessary to have grounding resistance value of less than five ohms and is made as small as possible. In this study, the measurement of grounding resistance seen from the depth of the grounding and the grounding resistance are arranged in parallel. The results of this study indicate that the parallel grounding resistance method produces a more significant reduction in the value of grounding resistance compared to the grounding resistance in a certain depth From the calculation results, the resistance value of the Electrical Engineering Building at Andalas University using a rod electrode with a diameter of 0.016 meters is 24.5 Ω with an electrode depth of 0.5 meters and at a depth of 1 meter a grounding value of 17.52 Ω is obtained. The deeper the depth of the electrode, the smaller the resulting resistance value, and installing a grounding system with the multirod method, namely arranging electrodes in parallel with a certain depth, obtains less resistance compared to not parallelizing the electrodes
Pengembangan Instalasi Penerangan dan Instalasi Tenaga Listrik Mushalla Al-Barkah Lambung Bukit Kecamatan Pauh Nofri Dodi; Yudia Meka Seftiani; Aulia Oktavia; Firmansyah Firmansyah; Riza Widia; Witri Onanda
Jurnal Andalas: Rekayasa dan Penerapan Teknologi Vol. 3 No. 1 (2023): Juni 2023
Publisher : Jurusan Teknik Elektro, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jarpet.v3i1.40

Abstract

Lambung Bukit Batu Busuk, Pauh, located in Padang City, West Sumatera established a prayer room which was named Mushalla Al-Barkah. This mushalla is used as a place of worship for muslims around Lambung Bukit Batu Busuk Padang. Some of the the worship activities carried out at the mushalla, include congregational prayer activities, Al-Qur’an education and other worship activities. These activities really need electricity in their implementation. The mushalla need loudspeakers to adzan, the mushalla needs lights for lighting at night. However, the incomplete installasyion of electrical installations in the mushalla has resulted in delays in worship activities in the mushalla for the community around Lambung Bukit Batu Busuk, Padang. Because of that the community implementation team carried out the development of lighting installastions and elekctric power installasions at Mushalla Al-Barkah. After this activitiy was complete at the mushalla, the mushalla’s electrical installation was perfect. This activity is useful for partners and can be used as a promotional agenda for the people Lambung Bukit, Pauh to get to know the Padang State Polytechnic.
Karakteristik Medan Listrik-Dekat Petir Positive Cloud to Ground Yudia Meka Seftiani; Ariadi Hazmi; Novizon Novizon; Akbar Abadi; Riza Widia
Elektron : Jurnal Ilmiah Volume 15 Nomor 1 Tahun 2023
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/eji.15.1.334

Abstract

This study was conducted on 19 electric field data near positive lightning cloud to ground (+CG). The electric field change of +CG lightning consist of preliminary breakdown (PB) and return stroke (RS). The analysis conducted in this research are: PB/RS ratio, PB-RS separation, pre-return stroke duration, pulse train duration, and individual pulse duration. Furthermore, the relationship between +CG lightning and cloud image satellite was observed the average value of PB/RS ratio, PB-RS separation, prereturn stroke duration, pulse train duration and individual pulse duration were 13,89%, 91,53 ms, 102,23 ms, 1,20 ms,150,31 μs, respectively.
Co-Authors Akbar Abadi Ariadi Hazmi Aulia Oktavia Firmansyah - - Nofri Dodi Novizon, Novizon Riza Widia Witri Onanda