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All Journal Pendidikan Ekonomi JOURNAL OF ELECTRICAL AND SYSTEM CONTROL ENGINEERING Lex Renaissance INFOKUM Jurnal Scientia ABDI MASSA: Jurnal Pengabdian Nasional PRAJA observer: Jurnal Penelitian Administrasi Publik Jurnal Nasional Teknologi Komputer Journal of Management and Social Sciences Jurnal Ilmu Pendidikan Nasional Quality : Journal of Education, Arabic and Islamic Studies Tabsyir: Jurnal Dakwah Dan Sosial Humaniora Jurnal Akademik Pengabdian Masyarakat Prosiding Seminar Hukum Aktual Fakultas Hukum Universitas Islam Indonesia Transformasi Masyarakat : Jurnal Inovasi Sosial dan Pengabdian Panggung Kebaikan : Jurnal Pengabdian Sosial Aslim: Journal of Education and Islamic Studies
Siti Anisah
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Religion Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Public Health Social Sciences Other

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Journal : INFOKUM

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An Analysis of Solar-Wind Hybrid Power Plants for Practical Learning Zuraidah Tharo; Siti Anisah; Fatur Rahman
INFOKUM Vol. 12 No. 04 (2024): Engineering, Computer and Communication, November 2024
Publisher : Sean Institute

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Abstract

A hybrid solar-wind power plant is a combination of two renewable energy sources, namely solar and wind energy, used to generate electricity. This study aims to analyze the performance and efficiency of a hybrid solar-wind power system as a practical learning tool. The research methodology involves collecting performance data from solar panels and wind turbines, as well as analyzing the integration of these two energy sources. The results show that the hybrid system can enhance the stability and continuity of electricity supply compared to using a single energy source. The implementation of a hybrid solar-wind power plant as a learning tool provides students with a deeper understanding of the application of renewable energy technologies and encourages innovation in the field of sustainable energy.
Analysis of Coal Feeder Motor Performance Under the Influence of Frequency Fluctuations at PLTU Pangkalan Susu Hafist Aufar; Haris Gunawan; Siti Anisah
INFOKUM Vol. 13 No. 04 (2025): Infokum
Publisher : Sean Institute

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The coal feeder motor is a three-phase induction motor whose speed is regulated by the Variable Speed Drive (VSD). The coal feeder motor functions as a medium for distributing coal fuel to the combustion chamber in the boiler which aims for the combustion process in heating water on the pipe wall (wall tube) which will be used as steam to drive the turbine. Before supplying coal, first pay attention to the amount of coal entering the coal feeder, because it will affect the coal flow and motor performance. The more coal that enters the coal feeder, the greater the coal flow, just as the high speed of the motor will increase the flow of coal entering the furnace. From the research results, the calculation of the change in motor speed to the torque of the coal feeder motor at a speed of 115.2 rpm obtained a torque of 7.88 Nm, at a speed of 144 rpm obtained a torque of 6.68 Nm, at a speed of 230.4 rpm obtained a torque of 5.33 Nm and at a speed of 288 rpm obtained a torque of 4.48 Nm%. at a speed of 115.2 rpm an efficiency of 31.05% was obtained, at a speed of 144 rpm an efficiency of 29.55% was obtained.
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.
Stability Analysis of Electric Power Systems Using Controllers Facts on Transmission System Vinda Sri Mulyani H; Siti Anisah; Zuraidah Tharo
INFOKUM Vol. 13 No. 04 (2025): Infokum
Publisher : Sean Institute

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Power system stability is a critical factor in maintaining the continuity and quality of energy supply, especially in transmission systems that face load fluctuations and integration of renewable energy sources. The main problems in this study are voltage instability and reactive power oscillations that often occur due to disturbances such as sudden load changes or short circuits, as well as the limited capacity of conventional controllers in reducing these impacts. This study aims to explore the role of Static VAR Compensator (SVC) as part of Flexible AC Transmission Systems (FACTS) technology in improving transmission system stability through a qualitative approach. The research method is carried out with descriptive analysis based on literature studies, mathematical modeling of the power system, and numerical simulations to understand the dynamics of the system response to disturbances. The focus is given to qualitative evaluation of the interaction between SVC, system parameters (voltage, reactive power, and phase angle), and the impact of controller placement on network reliability. Simulation case studies cover small to large disturbance scenarios to assess the effectiveness of SVC in restoring stability. The results show that SVC integration makes a significant contribution to improving the dynamic stability of the transmission system. Qualitative analysis finds that SVC is able to reduce voltage oscillations and accelerate post-disturbance system recovery through adaptive reactive power regulation. However, the limited capacity of SVC in handling extreme disturbances indicates the need for combination with other FACTS controllers (such as STATCOM or UPFC) for more complex systems. This study also reveals the importance of proper SVC placement strategy to optimize its effectiveness.
Current Analysis of Automatic Charger and Transformer During Emergency Household Battery Charging Edo Inaldi Damanik; Haris Gunawan; Siti Anisah
INFOKUM Vol. 13 No. 04 (2025): Infokum
Publisher : Sean Institute

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Abstract

Electricity is a very important need, especially in the field of information technology development, educational facilities and households. The application of alternative electrical energy sources as backup energy by utilizing DC (direct current) energy sources from batteries (accu) which are converted through circuit stages so that they can be used as AC (Alternating current) backup energy sources. PLN electricity used to charge the battery (charge) through a step down transformer to 24Vac then rectified through a rectifier circuit in the form of a bridge rectifier aims to rectify the AC voltage to a DC voltage of 24Vdc to charge the 24Vdc battery. This automatic charger test aims to obtain the performance of the circuit that will cut off the charging current at a voltage of 13.5V on a 12V battery with a capacity of 5AH automatically when the battery is fully charged. Where the battery input comes from the rectifier output of 13.5V and the battery output will be used as input from the inverter. Before the automatic Charger circuit is connected to the battery, the battery input voltage is set at 11.5Vdc. Charging the charger produces a voltage of 13.5 volts with a maximum charging current of 1.17Amperes with a charger time of 2.5 hours, the charging process from a voltage of 11.5 Volts increases to 13.5 Volts. The temperature of the battery when charging must also be monitored so that there is no excessive heat that can damage the battery cells which reduces the life of the battery.
Co-Authors Abdul Syahid Adi Sastra Pengalaman Tarigan Adinda Prameswary Putry Ahmad Fauzan Akhmad Ali Mirza Akhmad Nur Hidayat Anshori, Mochammad Isa Bastian Radol Pardede Citra Lestari Dandan Haryono Dedi Masri Dicky Lesmana Edo Inaldi Damanik Faisal Arrasyid Pulungan Fatur Rahman fatur Rahman, fatur Hafist Aufar Haris Gunawan Harti Hesty Widiastuty Hikmatul Magfiroh Ibnudin Jamil Alfasyah KHOIRUN NISA Maneger Lubis Meysah Wanda Sari Misda Amallia Tuah Aji Muhammad Alfiansyah Muhammad Syabil Baykhaqi Nurhayati Hamid Putra Wahyudi Siregar Radjikan Rahmaniar Rahmaniar, Rahmaniar Sapta Harianto Sinaga Suasa Suasa Triana Olivia Tahol Vinda Sri Mulyani H Yunita Siagian Zaitun Qamariah Zuraidah Tharo