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All Journal International Journal of Electrical and Computer Engineering RELE: Rekayasa Elektrikal dan Energi Jurnal Teknik Elektro Jurnal Media Elektro : Journal of Electrical Power, Informatics, Telecommunication, Electronics, Computer and Control System MEANS (Media Informasi Analisa dan Sistem) Jurnal Abdimas Ilmiah Citra Bakti (JAICB) Mejuajua Journal of Renewable Energy, Electrical, and Computer Engineering Jurnal Al Ulum: LPPM Universitas Al Washliyah Medan Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering) The International Journal of Medical Science and Health Research Impression : Jurnal Teknologi dan Informasi
Irwanto, Muhammad
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Journal : International Journal of Electrical and Computer Engineering

 1 
Modeling of Glugur Substation grounding systems using MATLAB graphical user interface Roza, Indra; Nugraha, Yoga Tri; Rida, Rizkha; Irwanto, Muhammad; Othman, Mohd. Azlishah
International Journal of Electrical and Computer Engineering (IJECE) Vol 15, No 1: February 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v15i1.pp15-23

Abstract

The grounding system in substations generally uses electrode rods, because electrodes can affect the effectiveness of fault current conduction, so the equipment will be safer. Considering the importance of the grounding system, the installed grounding system must be considered and maintained properly. One of them is the grounding found in Glugur. The main objective of this research is to comprehensively evaluate the substation grounding system by modeling the grounding system at the Glugur Substation using MATLAB graphical user interface (GUI). The grounding resistance follows a grid system with an area of 20×15=300 m² with specific resistance being clay using 100 rod electrodes. From the results of ground resistance simulation modeling using MATLAB GUI, it can be concluded as follows: for a certain resistance value, the number of electrodes for 100 Ωm is 3.55 Ω, for ground resistance with a constant depth and a varying number of 100 electrodes, it is 3.45 Ω, and for. The grounding resistance with a constant and varying number of 1,000 rods is obtained at 2.65 Ω. From these results, the modeling carried out is in accordance with the standards of electricity regulations in Indonesia.
Efficiency improvement of 50 Hz wireless photovoltaic power transfer using magnetic relay Irwanto, Muhammad; Baharudin, Nor Hanisah; Nugraha, Yoga Tri; Nisja, Indra
International Journal of Electrical and Computer Engineering (IJECE) Vol 15, No 2: April 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v15i2.pp1322-1331

Abstract

A photovoltaic direct current (DC) power can be changed into AC power using an inverter. The inverter must be connected to an alternating current (AC) load using wire, which has drawbacks in terms of air space, wire cost, and an unattractive view of the sky. It is appropriate to suggest a wireless power transfer (WPT) system concept to replace the use of wires in the transfer of electrical power. The WPT system has been conducted by the previous researchers, but it is still in the frequency system of hundred, kilo, mega or gigahertz, thus it can only be applied on DC load after rectifying it, but cannot be applied for a normal AC load, also its distance is relative near. The modelling of wireless photovoltaic power transfer (WPVPT) with a 50 Hz system frequency is presented in this work. The four modelling components that create the WPVPT system are models of the PV module, the transmitter circuit, the magnetic relay, and the receiver circuit. The findings indicate that the efficiency of the proposed WPVPT system is 71.27% without a magnetic relay and 72.82% with a magnetic relay. It suggests that the use of magnetic relay can improve the WPVPT system's efficiency.
Co-Authors angin, Despaleri Perangin- Ar Rasyid, Arya Bago, Sri Intan Baharudin, Nor Hanisah Balatif, Muhammad Iqbal Dayana, Indri Fadlan Siregar, Muhammad Fahmi, Muhammad Ikhwan Ginting, R T Habib Satria Hermansyah Indra Roza Istiningtyas, Kartika Jusoh, Muzzammil karo, Muhammad Azlin Karo- Karo-Karo, Muhamad Azlin Khoirunnida Laia, Yulianus Maha, Deny Hasminta Sembiring Maizana, Dina Md Arshad, Syahrun Nizam Mungkin, Moranain Nainggolan, Winner Parluhutan Nisja, Indra Novalianda, Sari Othman, M.A. Othman, Mohd Azlishah Othman, Mohd. Azlishah Panangian Mahadi Sihombing Panjaitan, Christin Erniati Perangin-angin, Despaleri Ramadhan, Fakhri Rida, Rizkha Sembiring Maha, Denny Hasminta Simanjuntak, Puan Maharani Togar Timoteus Gultom Winda Sari, Vina Yoga Tri Nugraha Zakaria, Zulkarnay Zebua, Tenuman