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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) JURNAL NASIONAL TEKNIK ELEKTRO JOURNAL OF ELECTRICAL AND SYSTEM CONTROL ENGINEERING JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control RELE: Rekayasa Elektrikal dan Energi Jurnal Teknik Elektro JMM (Jurnal Masyarakat Mandiri) SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan AMALIAH: JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Elektro dan Telkomunikasi Vocatech : Vocational Education and Technology Journal Indonesian Journal of Electrical Engineering and Computer Science INFOKUM Jurnal PkM (Pengabdian kepada Masyarakat) Andalasian International Journal of Applied Science, Engineering, and Technology Journal of Renewable Energy, Electrical, and Computer Engineering Jurnal Ilmiah Teknik Informatika & Elektro (JITEK)
Syarifah Muthia Putri
Universitas Medan Area
Agriculture, Biological Sciences & Forestry Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Other

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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 Pengontrolan Eksitasi Generator Menggunakan Remote Control Vivian R. Siburian; Zulkifli Bahri; 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.v1i1.1214

Abstract

Electrical Machinery Laboratory, University of Medan Area is one of the laboratories based on energy conversion, and it requires a large source of electrical energy with a variable voltage (voltage can be set from 0.) The excitation system is a DC power supply system as a reinforcement to an electric generator or generator. as a magnetic field generator, so that a generator can produce electrical energy with a large generator output voltage depending on the magnitude of the excitation current. The excitation voltage required to meet the demand is 82 Volt DC. From the results of the test data obtained by 98.1 Volt DC, this is already sufficient to be able to regulate the variable generator excitation voltage. So that the planning of this tool can make it easier to regulate the excitation of the generator from wherever it is, both from a short distance and long distance without using a cable (wireless) by using the Remote Control.
Design of Household Electricity Protection and Monitoring Automation With IoT ESP32 Satria, Habib; Mual Gunawan Lubis, Mangara; Muthia Putri, Syarifah
Andalasian International Journal of Applied Science, Engineering and Technology Vol. 2 No. 3 (2022): November 2022
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijaset.v2i03.53

Abstract

existence of a household electrical protection and monitoring system to minimize danger. Therefore, a prototype design tool for household electricity protection and monitoring automation with IoT ESP 32 is developed. With the aim of carrying out voltage protection and electricity monitoring with a normal voltage of 220 VAC. designed to increase the existing protection system in the household, not to replace the function of the MCB. With a success rate of 99.6% voltage measurement, 97.5% current and 97.8% power measurement. Testing the tool using an inductive load in the form of a 45 watt 35, watt, 26 watt LED lamp and a resistive load in the form of a 400 watt iron set at the maximum hot point. below 210 VAC.
Design of Household Electricity Protection and Monitoring Automation With IoT ESP32 Satria, Habib; Mual Gunawan Lubis, Mangara; Muthia Putri, Syarifah
Andalasian International Journal of Applied Science, Engineering and Technology Vol. 2 No. 3 (2022): November 2022
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijaset.v2i03.53

Abstract

existence of a household electrical protection and monitoring system to minimize danger. Therefore, a prototype design tool for household electricity protection and monitoring automation with IoT ESP 32 is developed. With the aim of carrying out voltage protection and electricity monitoring with a normal voltage of 220 VAC. designed to increase the existing protection system in the household, not to replace the function of the MCB. With a success rate of 99.6% voltage measurement, 97.5% current and 97.8% power measurement. Testing the tool using an inductive load in the form of a 45 watt 35, watt, 26 watt LED lamp and a resistive load in the form of a 400 watt iron set at the maximum hot point. below 210 VAC.
Performance Analysis of the Protection and Control System of Cummins KTA19 Generator Under Operational Disturbances at 190 kVA Loading Conditions Putra Rahmadi; Moranain Mungkin; Syarifah Muthia Putri; Indri Dayana
INFOKUM Vol. 14 No. 03 (2026): Infokum, May - June 2026
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v14i03.3112

Abstract

The 300 kVA Cummins KTA19-G3 generator set is equipped with an advanced electronic control system and protection system managed by the Engine Control Module (ECM), designed to maintain operational stability and prevent fatal damage due to abnormal conditions. This study aims to analyze the performance, response, and accuracy of both systems when the engine experiences disturbances in the form of rotation instability (hunting) and sudden stoppage (shutdown) at a load of 190 kVA (equivalent to 63.3% of maximum capacity). The methods used include measuring operating parameters, reading ECM data history using the Cummins Insite diagnostic tool, and analyzing the system's working logic. The results show that the speed control system (Electronic Governor) works as instructed but fails to stabilize the rotation due to physical obstacles in the fuel and air systems, causing a response delay of up to 1.2 seconds. In contrast, the protection system works very precisely and according to specifications, triggering engine shutdown when it detects rotation deviations exceeding the safe limit of ±6.6% and fuel pressure below the threshold of 1.0 Bar. It was concluded that the operational failure was not caused by damage to the electronic system, but rather by the limitations of the control system in dealing with mechanical disturbances, while the protection system functioned optimally as a last resort.
Implementation and Performance Evaluation of a Digital Adjustable Voltage and Current Protection System for Off-Grid Solar Photovoltaic Applications Lamhot Tua Situmorang; Moranain Mungkin; Syarifah Muthia Putri; Muhammad Fadlan Siregar
INFOKUM Vol. 14 No. 03 (2026): Infokum, May - June 2026
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v14i03.3113

Abstract

Off-grid Solar Photovoltaic (PV) systems are widely deployed in remote and isolated areas where access to the utility grid is unavailable. However, the reliability of these systems is often compromised by electrical disturbances, including overvoltage, undervoltage, and overcurrent conditions, which may damage inverters and connected electrical loads. This study aims to design, implement, and evaluate the performance of a Digital Adjustable Voltage and Current Protectorfor enhancing the protection of off-grid PV systems. An Adjustable AC Voltage Regulator (Variac) was employed to simulate various voltage conditions under controlled laboratory experiments, while different load levels were applied to assess the system's protection capability. The evaluated parameters included input voltage, output voltage, load current, protection status, and protection response time. Experimental results demonstrate that the proposed protection system effectively disconnects the load under undervoltage conditions at 190 VAC, overvoltage conditions at 240 VAC, and overcurrent conditions exceeding 1.15 A. Furthermore, the protection device exhibits a rapid response time ranging from 0.7 to 0.9 s, ensuring prompt isolation of abnormal operating conditions. The findings indicate that the proposed digital protection system significantly improves the operational safety, reliability, and stability of off-grid PV installations. Therefore, the developed system offers a practical and cost-effective solution for protecting standalone solar power systems, particularly in rural electrification and remote energy applications.
Lighting Improvement in Building Renovation Syarifah Muthia Putri; Dina Maizana; Muhammad Rizal Irhami
Journal of Renewable Energy, Electrical, and Computer Engineering Vol. 1 No. 1 (2021): March 2021
Publisher : Institute for Research and Community Service (LPPM), Universitas Malikussaleh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jreece.v1i1.3612

Abstract

Lighting systems that are not up to standard will have an impact on eye fatigue so that the work results of the staff are not optimal. This problem can be solved by designing a lighting system according to the standards that have been determined through the results of previous studies. The 1st floor of the Faculty Engineering, Universitas Medan Area building requires lighting improvements to provide comfort to all staff and lecturers. This research was conducted by measuring the value of light intensity in each room and improving the lighting system which was analyzed through the shape of the room, the color of the walls, and the position of the lights. The results of the study provide additional light points and the position of the lamp according to the utilization. 
Leveraging Green IoT to Enhance Energy-Saving Efficiency in Fairness-Oriented Residential Photovoltaic Charging Stations Syarifah Muthia Putri; Moranain Mungkin; Harmini; Syechu Dwitya Nugraha
Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control Vol. 11, No. 1, February 2026
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/kinetik.v11i1.2470

Abstract

As electric vehicles (EVs) continue to gain global popularity, residential photovoltaic (PV) charging stations are becoming more common, providing a sustainable way to charge EVs. However, the intermittent nature of solar energy creates challenges in ensuring consistent and fair charging, making fairness-based charging scheduling essential. To automate this process, residential PV charging stations require a customized Internet of Things (IoT) system. A significant concern is the substantial energy consumption due to the high volume of data transmission within the IoT system. This research aims to enhance energy efficiency by leveraging green IoT strategies suitable for such applications. The study proposes the use of edge computing, optimized data transmission scheduling, and delta compression techniques at the edge to minimize energy use. The results demonstrate that these strategies are effective in achieving energy savings. Energy-saving efficiency on the source side ranges from 1.96% to 7.84%, while on the load side, it ranges from 57.5% to 61.3%. These findings highlight the effectiveness of the proposed strategies in reducing energy consumption, providing an efficient solution for optimizing data transmission in residential PV charging stations. Overall, the strategies contribute to the sustainable operation of electric vehicle charging infrastructure by improving energy efficiency and ensuring fair distribution of charging resources.
Co-Authors Adelina Lubis Ahmad Rezky Ahmad Ridwan Arnawan Hasibuan Dadan Ramdan Dina Maizana Fadhila Azmi Habib Satria Habib Satria Habib Satria Harmini Ihsan Effendi Ina Triesna Budiani Indra Praditya Indri Dayana Irhami, Muhammad Rizal Lamhot Tua Situmorang Misbahul Jannah Moranain Mungkin Mual Gunawan Lubis, Mangara Muhammad Fadlan Siregar Muhammad Imam Syarif Siregar Muhammad Ridha Haykal Amal Muhammad Rizal Irhami Muzamir Isa Nurmaidah, Nurmaidah Nurul Khairina Putra Rahmadi Rionopagel Pardede Siregar, Muhammad Imam Syarif Suwarno Suwarno Suwarno Suwarno Vivian R. Siburian Widyana Verawaty Siregar Zulfitra Zulfitra Zulkifli Bahri Zulkifli Bahri