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All Journal International Journal of Electrical and Computer Engineering International Journal of Applied Power Engineering (IJAPE) TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics Science and Technology Indonesia JOURNAL OF ELECTRICAL AND SYSTEM CONTROL ENGINEERING JMM (Jurnal Masyarakat Mandiri) Journal of Applied Engineering and Technological Science (JAETS) Indonesian Journal of Electrical Engineering and Computer Science Unri Conference Series: Community Engagement Yayasan Cita Cendikiawan Al Khwarizmi Prioritas : Jurnal Pengabdian Kepada Masyarakat Journal of Sustainability Perspectives Jurnal Akselerasi Merdeka Belajar dalam Pengabdian Orientasi Masyarakat (Jurnal AMPOEN) RESLAJ: Religion Education Social Laa Roiba Journal Jurnal Ilmiah Teknik Informatika & Elektro (JITEK) Jurnal Ilmiah Teknik Mesin & Industri (JITMI) Journal of Engineering and Technological Sciences
Dadan Ramdan
Univeristas Medan Area
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Rancang Bangun Prototype Monitoring Ketidakseimbangan Beban Pada Transformator Distribusi Berbasis Internet Of Things Zulfitra Zulfitra; Dadan Ramdan; Syarifah Muthia Putri
Jurnal Ilmiah Teknik Informatika & Elektro (JITEK) Vol 1, No 1 (2022): Jurnal Ilmiah Teknik Informatika & Elektro (JITEK)
Publisher : Jurnal Ilmiah Teknik Informatika & Elektro (JITEK)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jitek.v1i1.1217

Abstract

The Unbalanced load with a significant difference in the electricity distribution system causes the emergence of a neutral current, causing losses due to the flow of neutral current to the ground, overheating in one phase, and resulting in a decrease in quality and damage to the distribution transformer if it lasts for an extended period of time.  The goal of this research is to design and build a monitoring prototype for measuring current, voltage, and percentage of unbalance on a distribution transformer prototype, with the goal of providing measurement data from the prototype via the internet. The Arduino Uno serves as a data processor from current and voltage sensors, and the ESP8266-01 serves as a wifi module, sending current measurement data for each phase, line to neutral voltage, and the percentage of load imbalance to the Thingspeak Web Server in the form of seven graphic displays that PC/ smartphone users can access online. The overall performance of this tool can work well by improving the measurement accuracy of the current sensor SCT 013-000 using a tuning approach, so that the resulting error meets the standard error of the measuring instrument.
Rancang Bangun Sistem Peringatan Tingkat Kelembaban Tanah dalam Pot Tanaman Indoor Berbasis Arduino Uno Erwin Perdamaian Telaumbanua; Dadan Ramdan; Moranain Mungkin
Jurnal Ilmiah Teknik Informatika & Elektro (JITEK) Vol 1, No 1 (2022): Jurnal Ilmiah Teknik Informatika & Elektro (JITEK)
Publisher : Jurnal Ilmiah Teknik Informatika & Elektro (JITEK)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jitek.v1i1.1213

Abstract

Untuk mempermudah perawatan tanaman indoor melalui informasi peringatan tingkat kelembaban tanah, maka dirancang alat peringatan tingkat kelembaban tanah dalam pot tanaman indoor menggunakan arduino uno sebagai alat pengaturnya, sehingga pengguna tidak lalai dalam perawatan tanaman hias miliknya. Perancangan alat peringatan tingkat kelembaban ini dimulai dari pemilihan komponen seperti pot tanaman indoor, sensor soil moisture YL-69, microkontroller arduino uno, Buzzer dan sensor soil moisture sebagai kalibrasi. Alat ini menunjukan bahwa pada uji coba dapat bekerja dengan baik sesuai tujuan yang diharapkan yaitu sebagai sistem peringatan tingkat kelembaban tanah melalui buzzer dan tampilan LCD.
Rancang Bangun Alat Pendeteksi Suhu Tubuh Menggunakan Nodemcu Berbasis Web Muhammad Ghaffaar Ramadhan; Dadan Ramdan; Habib Satria
Jurnal Ilmiah Teknik Informatika & Elektro (JITEK) Vol 1, No 2 (2022): Jurnal Ilmiah Teknik Informatika & Elektro (JITEK)
Publisher : Jurnal Ilmiah Teknik Informatika & Elektro (JITEK)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jitek.v1i2.1472

Abstract

The COVID-19 pandemic has made indonesian people have to follow all health protocols made by the government, to overcome this virus requires movement of all sectors, including the research sector. The research sector is not only engaged in vaccines and drugs but also in efforts to reduce the spread of COVID 19 in Indonesia. This study aims to produce an RFID body temperature and attendance detection tool system using a web-based NodeMcu and produce a program that will send data to the web server. This tool is designed to be able to check body temperature and attendance more accurately and can be monitored directly by the user. The results of the study can directly detect body temperature using the MLX90614 body temperature sensor when someone approaches the sensor, the proxymity sensor will directly order the pump to remove the hand sanitizer liquid, and the RFID Reader detects the presence or attendance using the RFID Card. All data will appear on the LCD and enter the cloud server and will appear on the web page so that it can make it easier for users to carry out attendance activities in daily activities.
Potential microgrid model based on hybrid photovoltaic/wind turbine/generator in the coastal area of North Sumatra Habib Satria; Rahmad Syah; Dadan Ramdan; Muhammad Khahfi Zuhanda; Jaka Windarta; Syafii Syafii; Almoataz Youssef Abdelaziz
Indonesian Journal of Electrical Engineering and Computer Science Vol 34, No 2: May 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v34.i2.pp768-776

Abstract

The high potential for renewable energy in the North Sumatra region, especially the coast of the Belawan area, needs to be exploited properly. The design that will be carried out is to explore the potential in coastal areas by simulating microgrid systems and hybrid system-based electricity installations. The method that will be used is to find the accuracy of strategic location points by considering the panel surface temperature which will later influence the power output of the power plant. Then find the ideal installation location as a reliable system when irregular climate conditions occur, of course this phenomenon will have a significant effect on energy balance and energy conversion, especially in coastal areas. The potential for installation construction will be carried out with a hybrid system using power sources from photovoltaics, wind turbines and diesel generators assisted by HOMER Pro software. The results of testing with simulations and information data that have been recorded in the software can later be used as a benchmark in planning electrical installations and also for identifying microgrid protection challenges. Then the measurement results that have been obtained for the installation of a hybrid-based microgrid system on Photovoltaic (PV) are DC output power of 618.80 W with measurements of sunny weather conditions, then the potential wind speed on the wind turbine reaches 5 m/s and the potential use of a diesel generator reaches 40% with power output capacity 1 kW.
PELATIHAN ECOPRINT PADA TOTE BAG: SEBUAH IDE KREATIF DAN BERKELANJUTAN DI DESA LEBAK WANGI KECAMATAN WALANTAKA Asnawi; Ningsih, Ratu Septia; Alia, Salsabila Rahma; Ramdan, Dadan; Auliana, Sigit; Maulana Ns, Farhan; Ifvochy, Jammes
Jurnal Akselerasi Merdeka Belajar dalam Pengabdian Orientasi Masyarakat (AMPOEN): Jurnal Pengabdian kepada Masyarakat Vol 2 No 2 (2024): AGUSTUS-NOVEMBER 2024
Publisher : UNIVERSITAS SERAMBI MEKKAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/ampoen.v2i2.2169

Abstract

KKM UNIBA Group 1 Lebak Wangi Village conducted ecoprint training activities on tote bags in Lebak Wangi Village, Walantaka Sub-district, a creative and sustainable initiative that aims to empower local communities, especially women, in developing new skills in the field of handicrafts. Ecoprint is a natural dyeing technique that utilizes organic materials such as leaves, flowers and twigs to create unique motifs on fabric. The training was designed to introduce the eco-friendly ecoprint method, as well as provide an economic alternative for the villagers through the production of tote bags that can be sold as local products. The results of this training showed that the participants were able to master the basic ecoprint techniques and produce tote bag products that have aesthetic and commercial value. In addition, this activity also encourages awareness of the importance of protecting the environment through the use of natural materials and production processes that minimize waste. Thus, the ecoprint training in Lebak Wangi Village is not only a means of developing skills, but also plays a role in efforts to preserve the environment and improve the economic welfare of the local community.
Electromigration Effects in Overcurrent PVC-Insulated Copper Wire: Failure and Deformation Impacts Akbar, Muhammad Ali; Tarigan, Kerista; Humaidi, Syahrul; Ramdan, Dadan; Siregar, Yulianta
Science and Technology Indonesia Vol. 9 No. 3 (2024): July
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2024.9.3.735-744

Abstract

Electromigration is a critical issue in materials science and electrical engineering, significantly impacting the reliability and efficiency of electrical systems. This study investigates the electromigration behavior of PVC-insulated copper wires under various overcurrent conditions, focusing on material degradation and electrical performance. Copper cables, identified as 046620.3 Eterna CU/PVC 1.5 mm2, were subjected to currents ranging from 0 to 110 A. The mean time to failure (MTTF) was calculated using Black’s equation, revealing a sharp decline in MTTF with increasing current density. Surface morphology analysis using SEM showed the formation of voids and hillocks at higher currents, indicating severe electromigration damage. XRF analysis demonstrated significant changes in the elemental composition, particularly a reduction in copper content and an increase in chlorine and other elements, suggesting degradation of the PVC insulation. FTIR spectroscopy revealed substantial chemical changes in the PVC material, especially under extreme overcurrent conditions, highlighting dehydrochlorination and carbonyl group formation. There is a clear relationship between overcurrent conditions and electromigration phenomena, as evidenced by the observed damage to surface morphology, changes in elemental composition, and alterations in the chemical structure of PVC. The mechanisms and causes of electromigration are explained comprehensively in this work, illustrating how increased overcurrent accelerates the electromigration process, leading to the formation of voids and hillocks in the copper conductor. This damage is accompanied by a significant reduction in copper content and an increase in chlorine levels, indicating the degradation of PVC insulation. FTIR spectra further confirmed these findings by showing chemical changes such as dehydrochlorination and carbonyl group formation under high current stress. The MTTF values reflect the severity of these impacts, with samples exposed to higher currents showing drastically reduced lifespans. For instance, samples subjected to 100 A and 110 A currents exhibited MTTF values of 0.2 minutes and 0.004 minutes, respectively.
Development of energy conversion and lightning strike protection simulation for photovoltaic-wind turbine on grid Satria, Habib; Mungkin, Moranain; Dayana, Indri; Ramdan, Dadan; Maizana, Dina; Syafii, Syafii
International Journal of Electrical and Computer Engineering (IJECE) Vol 14, No 1: February 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v14i1.pp66-74

Abstract

Photovoltaic (PV) installations and wind turbines that are installed on the rooftops of buildings need to be protected because the layout is in a high position and there is a risk of being struck by lightning. Therefore, a more effective protection system is designed to anticipate electronic damage and fire on all materials in the distribution network, especially the addition of PV and wind turbine installations on building roofs. The purpose of this study is to simulate a lightning protection system on the distribution network and the results of on-grid PV energy conversion using electrical transient analyzer program (ETAP) software. Feeder relay delay times and cascade coordination patterns between outgoing and incoming relays do not overlap. the delay time of the relay working on the feeder is 0.31 s and the coordination pattern of the outgoing relay and incoming relay does not touch each other, so the delay time for the incoming relay is 2.73 s. Then testing the results of PV energy conversion connected to the grid using MATLAB Simulink monitoring obtained data reaching 1.600 Wp at peak power with sun conditions parallel to the PV installation layout.
Overcurrent effects on copper insulated PVC cables and fire resistance via thermal imaging and macrostructure analysis Ali Akbar, Muhammad; Humaidi, Syahrul; Tarigan, Kerista; Ramdan, Dadan; Frida, Erna; Siregar, Yulianta
Bulletin of Electrical Engineering and Informatics Vol 14, No 2: April 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v14i2.8628

Abstract

This study investigates the effects of overcurrent on copper (Cu) insulated polyvinyl chloride (PVC) cables, focusing on their thermal behavior and fire resistance. We utilized thermal imaging, macrostructural analysis, and Joule heating calculations to evaluate six cable samples subjected to various currents. Results showed that with increasing current, the temperature of the cables rose significantly. For example, the CC0 sample, with no current, had a temperature of 36 °C, while the CC110 sample, subjected to 110 A, reached 1,091 °C. Joule heating calculations indicated energy values ranging from 0 J for the CC0 sample to 7,260,000 J for the CC110 sample. Physical observations included minor deformations at 253 °C and complete insulation loss at 1,091 °C. These findings emphasize the critical need for managing overcurrent to prevent severe cable damage and enhance system safety. This research provides practical insights for optimizing cable design and improving thermal management, offering valuable contributions to electrical engineering practices.
Maintaining Quality Education at the University of Medan Area during COVID-19 Pandemic Fauziah, Ida; Ramdan, Dadan; Karim, Abdul
Journal of Sustainability Perspectives Vol 2, No 3 (2022)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (398.618 KB) | DOI: 10.14710/jsp.2022.15545

Abstract

Higher Education Institutions play a key role in achieving the 17 Sustainable Development Goals through teaching and learning, research as well as community services. COVID-19 Pandemic outbreak requires certain and special methods in conducting education systems especially in teaching and learning process as well as administrative affairs. Online system has become the most popular and preferable since March 2020 when lockdown enforcement was implemented at the University of Medan Area (UMA). It is much easier today at the UMA because an online system has been introduced for years before the outbreak. Besides applying numbers of online applications, UMA has also committed to align the curricula and research with Sustainable Development Goals.Keyword: Teaching and Learning, Program, SDGs, Pandemic
Development of Potato Nano Carbon as Electrode for Supercapacitors Achieves Green-Sustainable Development Goals Indri Dayana; Dadan Ramdan; Moranain Mungkin; Habib Satria; Muhammad Fadlan Siregar; Martha Rianna; Juliaster Marbun; Siti Utari Rahayu
Journal of Applied Engineering and Technological Science (JAETS) Vol. 6 No. 1 (2024): Journal of Applied Engineering and Technological Science (JAETS)
Publisher : Yayasan Riset dan Pengembangan Intelektual (YRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/jaets.v6i1.5862

Abstract

The development of potato nanocarbon as an electrode from potatoes for supercapacitors will answer the energy needs that are needed and are continuously researched. This research was conducted in the laboratory by giving marinade treatment to potatoes and measured repeatedly and testing was carried out to determine the extent of the carbon content so that potatoes are very good to be used as electrodes with electroplating method. The results obtained were 0.8 grams of potatoes with a very high conductivity increase to 0.97 m S. The result TEM 160 nm after treatment an average size of 100 nm successfully coated on the surface of the particles. FTIR shows a wavelength of 3282.48 cm due to the width of potato absorption and overlapping with the C-H-O group. AAS shows the adsorption capacity of modified potato on metals occurs in the pH range 4.5-5.5. Analysis of potatoes to be made as electrodes with two positive and negative pieces showed better dispersion stability. The electrodes are made and have been tested using a smartphone. The acid in the potato forms a chemical reaction with zinc and copper and when electrons flow from one material to another energy is released.
Co-Authors Abdul Karim Ady Pratama, Ramadhan Alia, Salsabila Rahma Aliakbar, Muhammad Almoataz Youssef Abdelaziz Amri, Fauzan Andi Rubiantara Aryansyah, Firman Asmah Indrawati ASNAWI Auliana, Sigit Bobby Umroh Bonardo, Doli Chu Yee Khor Dina Maizana Elapri, Bima Yoel Erna Frida Erwin Perdamaian Telaumbanua Falendra, Randy Malik Febriyani, Sarah Habib Satria Habib Satria Harahap, Usman Hartono Hartono Hartono Hartono Hasibuan, Nasaruddin Nur Herri Trisna Frianto, Herri Trisna Ida Fauziah, Ida Ifvochy, Jammes Indri Dayana Ivandar Tambunan Jaka Windarta Juliaster Marbun Khor Chu Yee Lewi Gonzales Marpaung Marlan Swandana, Marlan Martha Rianna Martini, Dewi Maulana Ns, Farhan Mohd Zulkifly Abdullah Moranain Mungkin Muhammad Ali Akbar, Muhammad Ali Muhammad Fadlan Siregar Muhammad Ghaffaar Ramadhan Muhammad Khahfi Zuhanda Mukhtar Mukhtar Ningsih, Ratu Septia Permana, Nana Yudi Petrus, Simon Pratama, Bayu Aditya Rahmad B.Y Syah Rahmad Syah, Rahmad Rahman, Sayuti Retna Astuti Kuswardani Rimbawati Ritonga, Iqbal Giffari Sembiring, Arnes Siagian, Martua Sangap Siti Utari Rahayu Solandarika, Wulan suhada, mukhlis suswati suswati Syafii . Syahrul Humaidi, Syahrul Syarifah Muthia Putri Tambunan, Ivandar Tarigan, Kerista Usman Harahap Wahyudi, Jajang Yuan Anisa Yulianta Siregar Zuhanda, M. Khahfi Zulfitra Zulfitra