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All Journal JTEV (Jurnal Teknik Elektro dan Vokasional Jurnal Sains Materi Indonesia Jurnal Informatika dan Teknik Elektro Terapan Jurnal Dinamika Penelitian Industri REZ PUBLICA Jurnal Studi Agama dan Masyarakat Jurnal Al-Qardh JURNAL PENDIDIKAN FISIKA Al Ishlah Jurnal Pendidikan International Journal of Artificial Intelligence Research JOURNAL OF ELECTRICAL AND SYSTEM CONTROL ENGINEERING Jurnal SOLMA ELS Journal on Interdisciplinary Studies in Humanities Jurnal Teknoinfo INTECOMS: Journal of Information Technology and Computer Science Owner : Riset dan Jurnal Akuntansi Jurnal Riset Inspirasi Manajemen dan Kewirausahaan JOURNAL OF SCIENCE AND SOCIAL RESEARCH Akbis: Media Riset Akuntansi dan Bisnis Jurnal Sosial Humaniora Sigli Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika INFOKUM Jurnal Teknik Industri Terintegrasi (JUTIN) Reswara: Jurnal Pengabdian Kepada Masyarakat Siyasatuna Jurnal Ilmiyah Mahasiswa Siyasah Syariyyah Journal of Computer Science, Information Technology and Telecommunication Engineering (JCoSITTE) Jurnal Scientia Journal of Electrical Engineering and Computer (JEECOM) JTEIN: Jurnal Teknik Elektro Indonesia Edible : Jedb Jurnal Nasional Holistic Science Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS) Abdimas Langkanae International Journal of Social Science, Educational, Economics, Agriculture Research, and Technology (IJSET) Jurnal Literasi Perpustakaan dan Informasi UHO: Jurnal Penelitian Kajian Perpustakaan dan Informasi eScience Humanity Journal Sisfo: Jurnal Ilmiah Sistem Informasi Prosiding Seminar Nasional Sisfotek (Sistem Informasi dan Teknologi Informasi) PELS (Procedia of Engineering and Life Science) Journal of Agriculture (JoA) Worksheet : Jurnal Akuntansi Jurnal Indonesia Sosial Teknologi Jurnal Riset Hukum, Ekonomi Islam, ekonomi, Manajemen dan Akuntansi Al-Irsyad: Journal of Education Science Innovative: Journal Of Social Science Research Jurnal Multidisiplin Sahombu Ekalaya : Jurnal Ekonomi Akuntansi Jurnal Point Equilibrium Manajemen dan Akuntansi Jurnal Malikussaleh Mengabdi International Journal of Business, Economics & Financial Studies Power Elektronik : Jurnal Orang Elektro Journal of Exploratory Dynamic Problems Jurnal Solusi Masyarakat Dikara DIPANEGARA KOMPUTER TEKNOLOGI INFORMATIKA (DIPAKOMTI) Cahaya Pengabdian Pinisi Journal Pendidikan Guru Sekolah Dasar Journal of English Language Teaching and Literature (JELITA) Jurnal Gallus Gallus
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Journal : INFOKUM

A Development IOT Based Real-Time Weather Monitoring System Using NodeMCU ESP32 and BMP280-DHT11 Sensor Beni Satria; Rahmaniar, Rahmaniar; M. Erpandi Dalimunthe; M. Iqbal; Berthauli. S
INFOKUM Vol. 13 No. 03 (2025): Infokum
Publisher : Sean Institute

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Abstract

This research aims to develop an Internet of Things (IoT) based weather station using NodeMCU ESP32 microcontroller, BMP280 sensor, and DHT11 sensor. The main problem faced is the lack of weather monitoring system.real timewhich can be accessed remotely to support decision making based on current environmental conditions. To overcome this, this study designed a system that is able to automatically collect temperature, relative humidity, and atmospheric pressure data and transmit it to an online platform via a Wi-Fi connection. The collected data is displayed in graphical form on the application.Blynkto facilitate further analysis. The system testing was conducted for 21 days in Medan City with average air temperature measurements ranging from 29°C to 34°C and relative humidity between 63% and 76%. The preliminary results show that the system has a measurement accuracy of around 95%, with a fast and stable connection to the platformclouddepending on the quality of the internet service provider. This system allows monitoring of weather conditions in real time.real timevia Android or iOS devices, making it easy for users to monitor weather parameters from any location. This research not only proves the implementation of IoT in weather monitoring but also opens up opportunities for further development in environmental monitoring and resource management applications.
Evaluation of the Effect of Capacitor Banks on Energy Efficiency in The 20 kV Distribution System at PT. Unilever Oleochemical Indonesia (UOI) Jamil Alfasyah; Rahmaniar, Rahmaniar; Siti Anisah
INFOKUM Vol. 13 No. 04 (2025): Infokum
Publisher : Sean Institute

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Abstract

Enhancing energy efficiency in industrial electrical distribution networks is a strategic imperative amid rising power consumption. This study simulates the impact of capacitor bank installation on power factor improvement and power loss reduction within a 20 kV medium-voltage distribution system that reflects the load profile of chemical industries, particularly at PT. Unilever Oleochemical Indonesia (UOI). A numerical simulation method is applied using reactive power calculations across load variations (800–1200 kW), implemented via scientific programming techniques. Results indicate a consistent improvement in power factor from 0.78 to 0.95, alongside a system loss reduction exceeding 700,000 relative units. Validation is conducted through comparative analysis with high-impact literature and national standards. This research offers a substantial contribution as a decision-making foundation for energy efficiency strategies in industrial sectors, promoting the adoption of reactive power compensation technologies.
Analysis of Frequency and Voltage Stabilization Control in Low-Inertia Power Systems Using a Boost Converter Renaldo Hotmartua Sinaga; Solly Aryza; Rahmaniar, Rahmaniar
INFOKUM Vol. 13 No. 05 (2025): Infokum
Publisher : Sean Institute

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Abstract

Low-inertia power systems, especially those based on renewable energy sources such as solar and wind, face major challenges in maintaining frequency and voltage stability. The absence of mechanical inertia in these systems, which is usually available in synchronous generators, makes the system more vulnerable to load changes or network disturbances. Therefore, an effective control method is needed to maintain such stability. This study analysed the frequency and voltage stability control of low-inertia power systems using a Boost Converter. A Boost Converter is used to regulate and stabilize the output voltage of a fluctuating power source, such as a solar panel, by increasing the unstable input voltage. Meanwhile, a frequency control method such as is implemented to imitate mechanical inertia, thus maintaining the frequency at a desired value. The results show that the use of a Boost Converter effectively improves voltage stability, while a VSG-based frequency control strategy successfully imitates the inertia response of a synchronous generator, maintaining a stable frequency despite the system having low inertia. Thus, the combination of these two methods can improve the reliability of low-inertia power systems, especially in applications utilizing renewable energy sources.
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.
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.
Co-Authors Abd Haris, Abd Abdul Latief Arda Abu Hasan Afandi, Marwan Agus Junaidi Agus, Junaidi Ahmed Sardi Ajahari Ajahari, Ajahari Alex Sumanijaya Saragih ALEXCANDRA, HISAR Alia, Fikrie Amalia, Cut Intan Amin Rejo Andi Quraisy Anirah, Anirah Aprillena Tornadez Bondan, Aprillena Tornadez AR, Khairina Ardimansyah Ardimansyah Ariansyah, Ricky Arwadi Sinuraya Ayuvitasari, Sindi Aziz, Novfan Maghresa B, Mesra Basuni Hamzah Beni Satria Berthauli. S Biby, Sapna Busran, Nina Septiani Butar Butar, Abdul Hakim Cecep Ibrahim Chasri Nurhayati, Chasri Dahoir, Ahmad Dahoir, Ahmad Dalimunthe, Erpandi Dalimunthe, Muhammad Erpandi Daud, Dewantara Dicky Lesmana Edison Edison Eko Hariyanto Enriko Tedja Sukmana, Enriko Tedja Fachrozi, Arief Fahlevi, T. Shandy Putra Farid, Fuad Farid, Fuad Fatmasari Fatmasari Figur Muhammad Fitrian Rizky Fransiska Aulia, Egha Fuadi Fuadi Gatot Priyanto H, Khairita Hadi Iskandar Halijah, Sitti Hamdani Hamdani Harahap, Yusrizal Pahlevi Haris Gunawan Hera Pebrianti Herliani, Yeni Herliani, Yeni Hilmi Hilmi Ilham Ahmad Ilham Hardiansyah Y. S Indah Purnamasari Irada Sinta Jamaliah, MN Jamil Alfasyah Jaya, Asrul Jummaini Juniadi, Agus K, Abd Hamid Khairil Anwar Khairina Khairina, Khairina Khairita H, Khairita Khairita. H Khairul Khairul, Khairul Laia, Arnold Noverson Laisa Liza Laxmi Jamatia , Purna Lesmana, Dicky Likdanawati Lisa Nurmaya, Cut Lomba Sultan Lubis, Aulia Madjid Lubis, Najla M. A. Martawijaya M. Iqbal Machmoed, Hamzah A. Majid, Ahmad Rizal Mardi Sijabat Mariana Mariana Mariana Mariana Mariani Mariani Martha Aznury Maulina, Rina Mendrofa, Silviharyani Mhd Erpandi Dalimunthe Muchsin Muchsin MUHAMMAD ALI Muhammad Ashari Muhammad Erpandi Dalimunthe Muhammad Faisal Muhammad Renaldy Muhammad Rizki Alfurqon Mursalin . Najirah Umar Nur Fadillah, Nur Nurhalizah, Siti Nurhasanah Nurhasanah Nurlela Nurlela Nursakiah, Nursakiah Nuyah Nuyah, Nuyah Pangabean, Fitriyani Pangaribuan, Wanapri Parlin Siagian Popy Marlina, Popy Pradana, Arya Wira Prayitno, Fajar Nur Rahmat Arfan Rahmawati Saleh Rais, Rany Gesta Putri Ramadana, Sri Winarsih Ramadhan, Ilyasa Ramadhani, Ulfa Rasyimah Rasyimah Razif, Razif Renaldo Hotmartua Sinaga Rezki Sunardi, Nurul Rico Nur Ilham Robert Junaidi Rouna Zinggibey Tito Rusdin, Ilmiani Saharuddin Sahibu, Mutmainna Sam, Jihan Fadillah Sari, Debby Kaumala Sari, Yuditia Ayu Permata Senri Kamsianto Naibaho Siti Anisah Siti Anisah Solin, Yunus Satria Sri Wahyuni Sri Winarsih Ramadana Sri Wulandari Subhan Subhan Subhan, M. Sukmawati, Henni Sukmawaty Sukmawaty, Sukmawaty Suprapto Suprapto Surahmat, Zulkifli SYAHPUTRA, MUHAMMAD RIZKI Syamsul Alam, Syamsul Syurah A Furqany T.B, Aprillena Tarigan, Adi Sastra P Tarigan, Adisastra Pengalaman Teuku Zulkarnaen Tri Muliyana, Agnezia Yudho Wibowo, Dimas Yuyun, Yuyun Zaman, Muhammad Zubir, Moondra Zulfikar Zulfikar Zuraidah Tharo