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All Journal SITEKIN: Jurnal Sains, Teknologi dan Industri Jurnal Informatika dan Teknik Elektro Terapan INTECOMS: Journal of Information Technology and Computer Science Journal of Applied Engineering and Technological Science (JAETS) INFOKUM Jurnal Scientia Instal : Jurnal Komputer Jurnal Multidisiplin Dehasen (MUDE) Jurnal Pengabdian Masyarakat Bestari (JPMB) Jurnal Nasional Teknologi Komputer Jurnal Media Computer Science Jurnal Komputer Teknologi Informasi Sistem Komputer (JUKTISI) Jurnal Multidisiplin Sahombu Prosiding Seminar Nasional Teknik UISU (SEMNASTEK) Adpebi International Journal of Multidisciplinary Sciences Power Elektronik : Jurnal Orang Elektro Journal Serambi Engineering (JSE) Journal of Engineering, Electrical and Informatics
Parlin Siagian
UNIVERSITAS PEMBANGUNAN PANCA BUDI
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The Effect of Coil Winding Replacement on the Performance of a 200 Kva Transformer (Case Study at PT. Razza Prima Trafo) Tengku Mughayat Syah Falah; Haris Gunawan; Parlin Siagian
INFOKUM Vol. 13 No. 05 (2025): Infokum
Publisher : Sean Institute

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Abstract

The electric power system is a primary need, both for daily life and for industrial life. The provision of stable and continuous electric power is an absolute requirement that must be met in meeting the need for electric power. The distribution system is the distribution of electrical energy from the substation to consumers. There are 2 (two) distribution systems, namely primary distribution and secondary distribution. Primary distribution, the distribution starts from the substation (secondary side of the power transformer) to the distribution substation (primary side of the distribution transformer) or from the substation directly to the 20kV medium voltage consumer. Power transformers are equipped with a grounding transformer that functions to obtain a neutral point from the power transformer. Before replacing the coil winding, measurements were taken using a TTR transformer turn ratio test (megger) measuring instrument. It can be concluded that the location of the damage is in the coil winding section. The results of the voltage measurements on the Primary Winding between phases R-S = 410 V, ST phase = 407 V and TR phase = 375V. and the Secondary voltage between phase and Neutral is RN = 221V, SN = 237V and TN = 222V. and the current in the Secondary winding between phases is R = 7.64A, S phase = 7.64A and T phase = 8.08A.
Analysis of the Performance Evaluation Study of Generator Excitation Unit in Atik Bakery Factory Kholaful Ahmad Harahap; Parlin Siagian; Haris Gunawan
INFOKUM Vol. 13 No. 05 (2025): Infokum
Publisher : Sean Institute

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Abstract

Atik Bakery uses a power generation system to meet its operational energy needs, one of which comes from a generator unit that plays an important role in maintaining a stable power supply. One of the key components in generator operation is the excitation system that functions to regulate the generator output voltage. This study aims to evaluate the performance of the generator unit excitation system at Atik Bakery, by analyzing efficiency, voltage stability, and response to changes in load. The methods used include measuring the generator output voltage at various load conditions, as well as monitoring the parameters of the excitation system using measuring devices and data analysis. The results of the study indicate that the generator unit excitation system can maintain a stable output voltage under normal load conditions, but there is a decrease in performance at higher loads, which can affect the quality of power supply to the factory. This evaluation provides a basis for efforts to improve and enhance the performance of the excitation system to improve operational efficiency and stability at Atik Bakery.
Perbandingan Waktu Pengisian Baterai Pada Pembangkit Listrik Tenaga Surya Antara Dua Tempat Berbeda (Studi Kasus: Kota Medan dan Desa Kabung Kecamatan Barus Jahe) Sitepu, Bernike Patresia; Siagian, Parlin; Dino Erivianto
Jurnal Serambi Engineering Vol. 10 No. 3 (2025): Juli 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

A potential avenue for the utilisation of solar energy is through the establishment of a PLTS (solar power plant). The present study employs an experimental approach in two distinct locations to ascertain the voltage and current of a battery that has been charged by a 20 Wp solar panel of polycrystalline type. Additionally, the temperature and humidity at each location are measured. The research location is situated in Kabung Village, within the administrative boundaries of Medan City. The research period spanned six days, from April 27 to May 3, 2025. A series of measurements were conducted over the course of the day, commencing at 09:00 WIB / 16:00 WIB. The data was collected at 10-minute intervals and comprised a combination of voltage, current, temperature, and humidity measurements. These measurements were obtained from two distinct locations within the city and the village. The mean battery charging time in Medan city is 6.50 hours, with a voltage of 12.26 volts, a current of 0.23 Ampere, a temperature of 33.14 °C and a humidity of 72.2%. In the context of Kabung village, the mean battery charging time was determined to be 6.50 hours, with a recorded voltage of 12.92 volts, a current of 0.60 Ampere, a temperature of 40.17 °C and a relative humidity of 63.3%. This study provides significant insights into the impact of geographic location on the performance of PLTS, particularly with regard to the optimal levels of sunlight absorption. Whilst the duration of battery recharge remains unaltered in this instance, the probability of attaining a greater quantity of electrical energy within a reduced timeframe is more probable in locales exhibiting elevated levels of sunlight, such as Kabung Village.
Penerapan Smart Grid pada Sistem Distribusi Listrik di Sumatera Utara: Analisis Efisiensi Energi, Keandalan Pasokan, dan Tantangan Implementasi Teknologi Modern di Era Transisi Energi Riko Putra Ananta Tarigan; Parlin Siagian; Dino Erivianto
Jurnal Nasional Teknologi Komputer Vol 5 No 3 (2025): Juli 2025
Publisher : CV. Hawari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61306/jnastek.v5i3.286

Abstract

The rapid growth of electricity demand demands an efficient and reliable electricity distribution system. Conventional distribution systems in Indonesia still face various obstacles such as high power losses, low supply fulfillment, and uneven network infrastructure. Smart grids are present as an innovative solution through the integration of information and communication technology (ICT) in distribution systems, which allows real-time monitoring and control of power flow. This study aims to examine the effect of smart grid implementation on the efficiency and efficiency of electricity distribution systems, as well as identify the challenges and benefits of implementing them in Indonesia. The research method used is a descriptive qualitative approach based on literature studies from various journals, technical reports, and related policies. The results of the study show that smart grids are able to reduce losses by 3–6% and significantly reduce SAIDI and SAIFI values. In addition, this system increases consumer participation through demand response and facilitates the integration of renewable energy. The main obstacles identified include high investment costs, limited regulations, and low public awareness of this technology. These findings are expected to be a reference in developing a more modern and sustainable electricity distribution system in Indonesia.
Improving 20 kVA Generator Power Performance by Rewinding the Stor Conductor Windings Rianto Wijaksana Silalahi; Parlin Siagian; Haris Gunawan
INFOKUM Vol. 13 No. 05 (2025): Infokum
Publisher : Sean Institute

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Abstract

The decline in power performance in generators can be caused by various factors, one of which is the degradation of the stator conductor windings due to age, excessive temperature, or unstable operational conditions. This study aims to analyze and improve the power performance of a 20 kVA generator through the rewinding process of the stator windings with new conductors that meet technical standards. In this study, the methods used include initial analysis of the condition of the old windings, planning the winding redesign, the rewinding process, and testing the results through measuring voltage, current, efficiency, and power factor. The test results show a significant improvement in generator performance parameters after the rewinding process. The output voltage becomes more stable, power losses decrease, and efficiency increases from 0% to 80%. In addition, the power factor has improved from 0 to 0.92. This improvement proves that the rewinding process with the right material and technical specifications can restore and even significantly improve generator performance. This study makes a real contribution to the maintenance and reconditioning of electrical equipment, especially in small-to-medium scale power generation systems.
Comparative Analysis of Solar Power Plants Using Direct Sunlight and Glass Reflected Light Muhammad Renaldy; Rahmaniar, Rahmaniar; Parlin Siagian
INFOKUM Vol. 13 No. 06 (2025): Infokum
Publisher : Sean Institute

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Abstract

Indonesia has the potential for new and renewable energy (EBT), including solar energy as a source of power generation. Energy efficiency can be defined as the ratio between the electrical power generated and the input power received. Low efficiency impacts the electrical power output of solar modules. This underlies the use of Solar Power Plants (PLTS) as a new and renewable electrical energy source to replace fossil fuels that have limited quantities and pollute the environment. Solar cells as PLTS units have the constraint of insufficient output power and are highly dependent on natural conditions. One method of optimizing solar cells is by using sunlight-reflecting glass (reflectors). Sunlight is a renewable energy source that can be utilized as a new power generator. However, in the process, certain additions are required to the solar cell module to optimize the output voltage produced. Efforts to optimize electrical output in solar modules by maximizing the intensity of light falling on the surface of the solar module by using direct sunlight. The results obtained are in the form of a comparison.
Performance Analysis of Battery Endurance in a Bldc Motor-Based Mini Electric Vehicle: a Case Study at the Electrical Engineering Laboratory, Universitas Pembangunan Panca Budi Denny Syahputra; Parlin Siagian; Beni Satria
INFOKUM Vol. 13 No. 06 (2025): Infokum
Publisher : Sean Institute

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Abstract

The development of electric vehicle technology continues to experience rapid progress, especially in terms of energy efficiency and power storage systems. One of the main components in an electric vehicle is the battery, which plays a crucial role in determining the vehicle's range, performance, and energy efficiency. This study aims to analyze the battery life of a BLDC (Brushless DC) motor used in a mini electric car prototype. Testing was conducted at the Electrical Engineering Laboratory of Panca Budi Development University with various load scenarios and operating times to evaluate battery life performance. The research method was carried out through an experimental approach by directly measuring voltage, current, temperature, and operating duration using a digital measuring instrument and periodically recording the data. The test results showed that the battery has optimal performance within a certain current range, but experienced a decrease in capacity as the load and operating temperature increased. From the test results, it was concluded that battery life is greatly influenced by operational conditions and charging system management. This study provides an initial overview for the development of a battery management system (BMS) and energy efficiency design in a laboratory-scale mini electric vehicle. Development recommendations are directed at temperature control and load power regulation so that the battery can be used more optimally and sustainably.
Analysis of Grounding Resistance Value Improvement on 150 kV Glang-Namorambe High Voltage Air Line Tower (SUTT) using three Measurement Points (Three Point Method) Bastanta Tarigan; Parlin Siagian; Muhammad Erpandi Dalimunthe
INFOKUM Vol. 13 No. 06 (2025): Infokum
Publisher : Sean Institute

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Abstract

Low grounding resistance is an important factor in ensuring the safety and reliability of electric power systems, especially on High Voltage Overhead Lines (SUTT). This study aims to analyze and improve the grounding resistance values on 150 kV SUTT towers on the Glang–Namorambe line using the three-point measurement method. Measurements were conducted to determine the actual condition of the grounding system and evaluate the effectiveness of the improvements made. Initial measurements showed that several towers had resistance values exceeding the maximum PLN standard limit of 10 ohms. To address this, improvements were made by installing additional electrodes, adding conductors, and using ground enhancement materials. After the improvements, remeasurements were conducted for each tower. The analysis results showed that the applied improvement method succeeded in reducing the grounding resistance value significantly, with an average reduction of 40–60%. The final resistance values of all towers were below the specified threshold, so that the grounding system can function properly in protecting equipment and personnel safety from overvoltage disturbances caused by lightning and ground faults.
DESAIN DAN SIMULASI FILTER UNTUK MENURUNKAN HARMONISA PADA TRANSFORMATOR 3 FASA BERBASIS MATLAB Fahlevi, T. Shandy Putra; Siagian, Parlin; Rahmaniar, Rahmaniar; Gunawan, Haris
INTECOMS: Journal of Information Technology and Computer Science Vol. 8 No. 4 (2025): INTECOMS: Journal of Information Technology and Computer Science
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/cv1yv725

Abstract

Transformator tiga fasa merupakan komponen vital dalam sistem distribusi tenaga listrik, namun berpotensi menghasilkan dan menyebarkan harmonisa akibat beban non-linier. Harmonisa ini dapat menurunkan efisiensi, menyebabkan panas berlebih, dan gangguan pada peralatan lain. Penelitian ini bertujuan untuk merancang dan mensimulasikan filter untuk mitigasi harmonisa pada transformator tiga fasa menggunakan perangkat lunak MATLAB. Data bentuk gelombang arus dan tegangan dari ketiga fasa diperoleh melalui pengukuran lapangan. Simulasi dilakukan untuk membandingkan kondisi sistem sebelum dan sesudah pemasangan filter. Hasil menunjukkan bahwa penggunaan filter mampu menurunkan total harmonisa (THD) pada orde ketiga dari 13,17% menjadi 7,02%. Penelitian ini memberikan kontribusi pada upaya peningkatan kualitas daya dan keandalan sistem distribusi.
Analysis of Reliability and Security of Smart Grid Network Communication System in the Implementation of Renewable Energy Source Integration Ilham Hardiansyah Y. S; Parlin Siagian; Rahmaniar, Rahmaniar
Jurnal Scientia Vol. 13 No. 04 (2024): Education and Sosial science, September-December 2024
Publisher : Sean Institute

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Abstract

Smart Grid System are key to integrating renewable energy sources into existing power grids. This article analyzes two critical aspects of a Smart Grid system: communication reliability and security. Reliability of communication systems is essential to ensure timely and accurate data delivery between various entities in the network. Meanwhile, communication system security is a crucial factor in protecting infrastructure from cyberattacks that can disrupt the overall system's operation. This study conducts an in-depth evaluation of the technologies used in Smart Grid systems, as well as a review of the challenges and solutions in ensuring the reliability and security of communication systems in the context of renewable energy integration. The results of this analysis provide valuable insights for the development and implementation of more efficient and reliable Smart Grid systems in the future.
Co-Authors Abdul Razak Ahmad Ahmad Ansari Amini Ahmad Fauzan Akbar Wirayuda Alam, Hermansyah Alex Sumanijaya Saragih Amani Darma Tarigan Ardiansyah, Luvan Aritonang, Yogi Syahputra Ariyanto Gultom B. Siahaan, Alfi Santun Bastanta Tarigan Beni Satria Benri Purba Bertauli Br Simorangkir Charles Simanullang Dalimunthe, M. Erpandi Dalimunthe, Muhammad Erpandi David Siringoringo Denny Syahputra Dicky Lesmana Dicky Lesmana Dwi Permata Sari Eko Toni Hagler Simamora Erawati Purnama Panjaitan Erpandi Dalimunte Fachrur Rizki Fadel Muhammad, Fadel Fahlevi, T. Shandy Putra Fahreza, Muhammad Fitria Anis Frasasti, Ridho Anggu Hamdani Hamdani Hamdani Harfan Diansyah Haris Gunawan Haris Gunawan Hermansyah Alam Hermansyah Alam Hermansyah Alam Ilham Hardiansyah Y. S Kholaful Ahmad Harahap M. Fadlan Mhd Erpandi Dalimunthe Mhd Idris Muhammad Erpandi Dalimunthe Muhammad Fahreza Muhammad Renaldy Nimas Deria Wijayanti Nugraha, Satria Pasaribu, Waldi Prabowo Pristisal Wibowo Putra, Randi Rian Rahmaniar Rahmaniar Rahmaniar Rahmaniar, Rahmaniar Rianto Wijaksana Silalahi Ridho Anggu Frasasti Ridho Anggu Frasasti Ridho Anggu Frasasti Ridho, M. Riko Putra Ananta Tarigan Rizinski Khaliksi Saragih, Naya Sari Simatupang, Gidion Siregar, Bahtiar Sitepu, Bernike Patresia Siti Anisah Solly Aryza Syafruddin H.S. Tanjung, Munawar Sajali Tanjung, Munawir Sajali Tengku Mughayat Syah Falah Wibowo, Pristisal Yoel Wesly Dirney Lumbantoruan Zuraidah Tharo