Article Per Year (5 Year)
p-Index From 2021 - 2026
3.178
P-Index
This Author published in this journals
All Journal Elkom: Jurnal Elektronika dan Komputer INFOKUM Jurnal Scientia Jurnal Nasional Teknologi Komputer Jurnal Multidisiplin Sahombu
Muhammad Erpandi Dalimunthe
Unknown Affiliation
Arts Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Environmental Science Law, Crime, Criminology & Criminal Justice Mathematics

Published : 24 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 16 Documents
Search
Journal : INFOKUM

 1   2 
Analysis Of Lithium Ion Battery Characteristics In Electric Motors Syahrobi, Syahrobi; Muhammad Erpandi Dalimunthe; Zuraidah Tharo
INFOKUM Vol. 13 No. 02 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i02.2799

Abstract

Lithium-ion (Li-ion) batteries are one of the battery technologies widely used in electric motorcycles (EVs) because they have high efficiency and good durability. This battery functions as the main energy source for electric vehicles and is an important component in supporting vehicle performance. This study aims to analyze the characteristics of Lithium-ion batteries in electric motorcycles by considering factors such as operating temperature, voltage, and the influence of speed and terrain. Tests were carried out on flat and uphill tracks with speed variations of 10 km/h, 30 km/h, and 50 km/h. The results showed that Lithium-ion batteries tend to experience a faster increase in temperature when used at high speeds, but the battery voltage remains stable during the Discharge and Charging process without any significant spikes. These findings provide insight into the performance of Lithium-ion batteries in electric vehicles, as well as the importance of temperature management to maintain optimal battery performance.
Analysis Of Results Of Voltage Transformer Insulation Resistance Test On Bay Banda Aceh 1 And Bay Banda Aceh 2 Conductors At Ulee Kareng Substation Hari Andiko; Muhammad Erpandi Dalimunthe
INFOKUM Vol. 13 No. 02 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i02.2800

Abstract

Voltage transformers are one of the important components in an electric power system that functions to reduce the voltage from the transmission network to a lower level for measurement and protection purposes. The quality of the insulation of the voltage transformer greatly affects the reliability of the operation of the electric power system. Therefore, periodic insulation resistance testing is needed to ensure optimal insulation performance and avoid electrical interference. This study aims to analyze the results of the insulation resistance test on the voltage transformer used in the Bay Banda Aceh 1 and Bay Banda Aceh 2 conductors at the Ulee Kareng Substation. The test was carried out using a megger test tool with a method of measuring the insulation resistance between the primary winding and the ground and between the primary winding and the secondary. The measurement data were compared with applicable standards to determine the insulation condition of the voltage transformer. The results of the study showed that the insulation resistance values ​​obtained from both conductors had variations that were influenced by environmental factors such as temperature and humidity. Based on the analysis carried out, most of the test results were still within safe limits according to IEEE and SPLN standards. However, there were several test values ​​that were close to the minimum limit, which indicated insulation degradation that needed further attention. With this research, it is expected to provide information on the condition of voltage transformer insulation and recommendations for preventive actions needed to maintain the reliability of the electric power system at the Ulee Kareng Substation.
Design Of Single Phase Voltage Loss Relay System On Three Phase Motors At Blang Pidie Substation Fakhrul Razi Anjas; Muhammad Erpandi Dalimunthe
INFOKUM Vol. 13 No. 02 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i02.2801

Abstract

Three-phase motors are one of the main equipment in the electric power system used to drive various industrial machines, including the Blang Pidie Substation. One of the problems that often occurs in three-phase motors is the loss of voltage in one phase (single phasing), which can cause current imbalance, motor temperature increase, and the potential for greater damage. Therefore, a protection system is needed that can detect the loss of single-phase voltage and automatically stop motor operation to prevent further damage. This study aims to design and build a single-phase voltage loss protection relay system on three-phase motors at the Blang Pidie Substation. This system uses a voltage relay as the main component to detect voltage loss in one phase, which will then activate the current breaking mechanism to protect the motor. Testing is carried out by simulating various voltage loss conditions to analyze the response speed and effectiveness of the relay system in protecting the motor. The results of the study show that the designed relay system is able to detect single-phase voltage loss with high accuracy and fast response time. When a disturbance occurs, the system immediately cuts off the electricity to the motor to prevent overheating and permanent damage. The implementation of this system is expected to improve the reliability of three-phase motor operations and reduce the risk of failure at the Blang Pidie Substation.
Air Quality Control System With Gas Leak Detection In Rooms With Fuzzy Muhammad Faqih Fathurrahman NS; Muhammad Erpandi Dalimunthe
INFOKUM Vol. 13 No. 02 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i02.2802

Abstract

Indoor air quality is an important factor affecting human health and safety, especially in industrial and laboratory environments that are at risk of hazardous gas leaks. To overcome this problem, a system is needed that is able to monitor air quality in real time and detect gas leaks with a high level of accuracy. One of the artificial intelligence methods that can be used in air quality control systems is fuzzy logic, which is able to process sensor data with a high level of uncertainty and produce optimal decisions.This study aims to design and develop an air quality control system with fuzzy logic-based gas leak detection. This system uses various sensors, such as gas sensors (MQ-series), temperature sensors, and humidity sensors, whose data is processed using a fuzzy algorithm to determine the level of air quality and detect gas leaks automatically. If a gas leak or a decrease in air quality is detected below the set threshold, the system will activate a warning alarm and control ventilation to maintain safe air conditions.The test results show that the developed system is able to detect gas leaks with a high level of accuracy and provide a quick response to changes in indoor air conditions. The use of fuzzy logic allows the system to adjust actions based on the severity of the leak or air pollution, thereby increasing efficiency and reliability in air quality control. Thus, this system can be an effective solution in improving indoor safety and comfort, especially in environments that are vulnerable to gas leaks.
Analysis of Electric Power Usage Level and Total Electricity Consumption Duration at Binjai City Wardiman Anugerah Harefa; Solly Aryza; Muhammad Erpandi Dalimunthe
INFOKUM Vol. 13 No. 04 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Electricity is a fundamental source of energy that supports daily human activities across residential, commercial, and industrial sectors. As urban development and population growth continue in cities like Binjai, the demand for electricity is steadily increasing. Efficient management of electrical energy usage is crucial to ensure sustainability, reduce environmental impact, and maintain cost-effective energy supply systems. This study aims to analyze the level of electric power usage and the total duration of electricity consumption across various consumer categories in Binjai City. A descriptive quantitative approach is applied by collecting data from utility consumption records, calculating average power usage (kW), total energy consumed (kWh), and determining usage intensity based on national standards. The results indicate that household consumption accounts for the highest usage time, while industrial consumers exhibit the highest average power demand. Several households fall into the high Energy Consumption Intensity (ECI) category, suggesting potential energy inefficiencies. The study emphasizes the importance of awareness, consumption monitoring, and load management strategies to promote energy savings. The findings of this research can be used by local authorities and energy providers to improve electricity distribution planning, encourage responsible usage behavior, and support the development of sustainable urban energy systems.
Energy Efficiency Analysis Through Solar Power Generation System as a New Renewable Energy Source at PT. Bunga Flour Mils Medan Muhammad Rizki Alfurqon; Muhammad Erpandi Dalimunthe; Rahmaniar, Rahmaniar
INFOKUM Vol. 13 No. 06 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i06.2960

Abstract

The development of the industrial revolution 4.0 has led to a surge in energy demand that continues to increase, driving the need for the implementation of new renewable energy sources, one of which is the Solar Power Plant (PLTS). This study aims to analyze the energy efficiency generated by the PLTS system at PT. Bunga Flour Mills Medan as an alternative solution in reducing dependence on conventional energy. The research method includes measuring output power, energy conversion efficiency, and analyzing the costs and benefits of implementing PLTS. The results of the study indicate that the implemented PLTS system has a fairly high efficiency with a significant contribution to saving the company's electricity consumption. In addition, the use of PLTS also has a positive impact on reducing carbon emissions and electricity operational costs in the long term. Thus, PLTS can be an effective and sustainable solution in supporting energy efficiency in the industrial sector.
Dissolved Gas Analysis (DGA) Testing Analysis on 150kv Power Transformers Muhammad Rivai; Muhammad Erpandi Dalimunthe; Dino Erivianto
INFOKUM Vol. 13 No. 06 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i06.2966

Abstract

This research used a laboratory experimental method with a quantitative approach. The aim was to measure and analyze the dissolved gas content in power transformer oil and to explain the measurement results based on the IEEE C57.104-2008 standard and PT PLN's Decree No. 0520 K/DIR/2014. The research objects were Power Transformers 1 and 2 of the 150 kV Titi Kuning Substation on Jalan Suka Tirta No. 54b, Medan, North Sumatra. The analysis used two methods to determine the condition of this transformer: TDCG and Key Gases. The first method is to measure the contents of Hydrogen (H2), Acetylene (CH2), Ethylene(CH4), Ethane (CH6), Methane, Carbon monoxide (CO), and Carbon dioxide (CO2). The second method involves summing the values of Gas Chromatography Method (TDCG) for Dissolved Gas Analysis (DGA) analysis, and the third method is a key gas method for determining the type of damage or abnormalities in a transformer.
Analysis of Solar Power Plant Planning for Lighting Dragon Fruit Orchards in Silimakuta Village, Pakpak Bharat Sinamo, Alfonsus; Muhammad Erpandi Dalimunthe; Haris Gunawan
INFOKUM Vol. 13 No. 06 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i06.2968

Abstract

The use of electrical energy as a lighting source in dragon fruit orchards in remote areas such as Silimakuta Village often faces challenges due to limited access to electricity from the state electricity company (PLN). Therefore, efficient and sustainable alternative energy sources are needed, one of which is through Solar Power Plants (PLTS). This study aims to calculate the power requirements and capacity of the PLTS system required to meet lighting needs in dragon fruit orchards. The research problem formulation includes how to calculate the power requirements of a PLTS system and the required power capacity. The problem definition focuses on calculating the power requirements of each component and the amount of power generated by the system to determine the number of solar modules. The research method used was to calculate the power consumption of lighting lamps, system efficiency, and the potential solar irradiation in the area. The results show that a PLTS system with a certain capacity can optimally meet nighttime lighting needs. This research provides benefits in the form of appropriate PLTS system planning, battery capacity calculations, and the utilization of renewable energy to support sustainable lighting systems in the agricultural sector.
Lithium Battery Efficiency Analysis in Solar Power Plants (PLTS) for Rice Field Irrigation Water Pumps Prabowo, Deni; Muhammad Erpandi Dalimunthe; Zuraidah Tharo
INFOKUM Vol. 13 No. 06 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i06.2969

Abstract

Solar Power Plant is a power generation system that uses solar energy to generate electricity. PLTS components consist of solar panels, solar charger controller, battery and inverter. Solar panels are used to convert solar energy into DC electrical energy. The solar charger controller functions to regulate the voltage value distributed to the battery. The battery is used to store electrical power and the inverter is used to convert DC current to AC. In its use, the components installed on the PLTS need to know the efficiency percentage so that the amount of electrical energy utilization that can be generated can be known. This study aims to analyze the efficiency of electrical energy generation produced by solar panels with a capacity of 250 WP and a 2000 W inverter. Tests were carried out 5 times within a 5-hour time span (10:00 WIB – 14:00 WIB) using a 350 W Water Pump load. The test results showed that the solar panels were able to produce an average power of 76.39 W, with the largest power reaching 86.55 W. The calculated solar panel efficiency was 15.13%. The battery efficiency, based on the highest power measured, reached 0.80%. The inverter's power output varied, averaging 919.6 watts, with the highest output reaching 935 watts.
Analysis of Radiation Efficiency of Microstrip Dipole Antenna Based on Cohen-Minkowski Fractal Putra, Bhima Andika; Muhammad Erpandi Dalimunthe; Beni Satria
INFOKUM Vol. 13 No. 06 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i06.2971

Abstract

The performance of microstrip antennas can be significantly improved through fractal geometry, particularly in achieving size reduction and multiband behavior. This study investigates the radiation efficiency of a microstrip dipole antenna employing the Cohen-Minkowski fractal geometry. The antenna is designed using FR4 substrate material with a dielectric constant of 4.4 and is simulated in multiple fractal iterations. Simulations are conducted using CST Studio Suite to observe return loss (S11), gain, and radiation efficiency across different frequencies. The results show that the incorporation of Cohen-Minkowski geometry increases surface current path length, enabling better impedance matching and improved radiation efficiency, especially at higher iterations.
Co-Authors Aldi Anggara Andi Krismanto M. David Panggabean Bastanta Tarigan Beni Satria Bimo Duta Pangestu Dewi Victorya Nuralda Dicky Lesmana Fahredha, Khairul Fakhrul Razi Anjas Hagai Fernando Lumban Gaol Hari Andiko Haris Gunawan Mardi Sijabat Muhammad Faqih Fathurrahman NS Muhammad Rivai Muhammad Rizki Alfurqon Parlin Siagian Prabowo, Deni Putra, Bhima Andika Rahmaniar Rahmaniar, Rahmaniar Ramli Mahaddin Hutajulu Rikky Yaldi Girsang Riski, Alwi Sinamo, Alfonsus Syahrobi, Syahrobi Wardiman Anugerah Harefa Yoas Anggi Gresdeo Pasaribu Zuraidah Tharo