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All Journal Voteteknika (Vocational Teknik Elektronika dan Informatika) RELE: Rekayasa Elektrikal dan Energi Jurnal Teknik Elektro Vocatech : Vocational Education and Technology Journal Jurnal Vokasi Jurnal Geuthee Jurnal Mandiri IT Jurnal Energi Elektrik Journal Geuthee of Engineering and Energy Jurnal Malikussaleh Mengabdi Journal Serambi Engineering (JSE) Proceedings of International Conference on Multidisciplinary Engineering (ICOMDEN)
Fakhruddin Ahmad Nasution
Universitas Malikussaleh
Religion Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Social Sciences Other

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Analysis of Performance Characteristics and Efficiency of Electric Car Battery Charging Using The Method (CC-CV) Lubis, Muhammad Hanafi Sahar; Hasibuan, Arnawan; Fariadi, Dedi; Abdullah, Dahlan; Nasution, Fakhruddin Ahmad; Jannah, Misbahul; A. Z, Abdullah
VOCATECH: Vocational Education and Technology Journal Vol 7, No 2 (2025): December
Publisher : Akademi Komunitas Negeri Aceh Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38038/vocatech.v7i2.250

Abstract

AbstractThe growth of electric vehicles (EVs) continues to increase in line with the global awareness of the importance of using environmentally friendly energy. One of the main components in an EV system is the battery, which requires an efficient and safe charging system. The Constant Current–Constant Voltage (CC-CV) charging method is one of the most commonly used approaches, as it maintains stable current and voltage during the charging process. This study aims to design a battery charging system simulation for electric vehicles using the CC-CV method, analyze the charging performance characteristics, and evaluate its efficiency. The research method used is simulation with MATLAB/Simulink software. The research stages include literature review, problem identification, circuit simulation design, simulation implementation, and result analysis. A PI Controller is employed to precisely regulate current and voltage, along with State of Charge (SoC) and voltage sensors to monitor the battery condition in real-time. Simulation results show that the system is capable of automatically transitioning between Constant Current (CC) and Constant Voltage (CV) modes responsively and stably. In CC mode, charging occurs rapidly with constant current, while in CV mode, voltage is kept stable and current gradually decreases. The achieved charging indicating that the CC-CV method enables a fast, safe, and efficient charging process while minimizing the risks of overcharging and overvoltage. AbstrakPertumbuhan kendaraan listrik (electric vehicle/EV) terus meningkat seiring dengan kesadaran global terhadap pentingnya penggunaan energi ramah lingkungan. Salah satu komponen utama dalam sistem kendaraan listrik adalah baterai, yang memerlukan sistem pengisian daya yang efisien dan aman. Metode pengisian Constant Current–Constant Voltage (CC-CV) merupakan salah satu pendekatan yang paling umum digunakan karena mampu menjaga kestabilan arus dan tegangan selama proses pengisian. Penelitian ini bertujuan untuk merancang simulasi sistem pengisian daya baterai kendaraan listrik menggunakan metode CC CV, menganalisis karakteristik performa pengisian, serta mengevaluasi efisiensinya. Metode penelitian yang digunakan adalah simulasi menggunakan perangkat lunak MATLAB/Simulink. Tahapan penelitian meliputi studi literatur, identifikasi masalah, perancangan rangkaian simulasi, pelaksanaan simulasi, serta analisis hasil simulasi. Dalam perancangannya, digunakan PI Controller untuk mengatur arus dan tegangan secara presisi, serta sensor State of Charge (SoC) dan sensor tegangan untuk memantau kondisi baterai secara real-time. Hasil simulasi menunjukkan bahwa sistem mampu melakukan transisi otomatis antara mode Constant Current (CC) dan Constant Voltage (CV) secara responsif dan stabil. Pada mode CC, pengisian berjalan cepat dengan arus konstan, sedangkan pada mode CV, tegangan dijaga tetap dan arus menurun secara bertahap. Efisiensi pengisian daya yang dicapai menunjukkan bahwa metode CC-CV mampu memberikan proses pengisian yang cepat, aman, dan efisien, serta meminimalkan risiko overcharge dan overvoltage).
Enhancing Adaptive Overcurrent Protection in Multi-Loop Distribution Networks with Distributed Generation Using Genetic Algorithms Arnawan Hasibuan; Fahrian Roid; Armen Abta; Misbahul Jannah; Dedi Fariadi; Fakhruddin Ahmad Nasution
Proceedings of International Conference on Multidisciplinary Engineering (ICOMDEN) Vol. 2 (2024): Proceedings of International Conference on Multidisciplinary Engineering (ICOMDEN)
Publisher : Faculty of Engineering, Malikussaleh University

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

Abstract

Electrical energy is something that everyone needs. The increase in the use of electrical energy will increase the transmission and distribution system of electrical energy, so the electrical energy distribution system must be more reliable. Adding Distributed Generation (DG) to the distribution system can improve reliability and power quality issues. To overcome the influence of DG, a new optimization setting is needed to account for the presence of Distributed Generation. This study aims to simulate a protection system with the right relay operation time to minimize the impact of interference and apply the Genetic Algorithm method in the relay coordination setting on a multi-loop distribution network with Distributed Generation. In this study, the development will be carried out using the IEEE 9-Bus multiloop plant distribution system with the application of Distributed Generation using a Genetic Algorithm. The method in this study begins with creating a single-line diagram on ETAP, followed by the placement and determination of forward and reverse relays. Furthermore, the steps include dividing and determining loops I, II, and III for the Isc generation value in each loop. The optimization process using the Genetic Algorithm can be carried out after the Isc value of each loop is obtained. After reaching the maximum iteration value, the TDS and Ipickup values result from optimization. The value is then converted into a time domain. The genetic algorithm results with a maximum iteration value of 1500 show that the protection system coordinates more optimally and efficiently, as reviewed from the cut-off sequence and time delay value in the event of a disturbance. The total time delay value in the Genetic Algorithm calculation is 3.6027 seconds. The minimum total time delay value is the more optimal the protection system coordinates.
Co-Authors A. Z, Abdullah Armen Abta Arnawan Hasibuan Azhar, Fakhri Badriana, Badriana Budayawan, Khairi Dahlan Abdullah Dedi Fariadi Delsina Faiza Edy Miswar, Edy Effan Fahrizal Emi Maulani Eri Saputra Ezwarsyah Ezwarsyah Fadliani, Fadliani Fahrian Roid Fidyatun Nisa Fuadi Fuadi Gery Ulayya Hardi Habib Muharry Yusdartono Hardi, Gery Ulayya Hidayat, Amam Taufiq Ikhsan, Khairul Ilham Sahputra Khairul Amna Khairun Nisa Lazuardi, Maulana Lubis, Muhammad Hanafi Sahar Misbahul Jannah Misbahul Jannah Muhammad Huseini Lubis Muhammad Muhammad Muhammad Muhammad Muthmainnah Muthmainnah Nafazi, Muhammad Novra, Novra Nurfebruary, Nanda Sitti Raihan Putri Rinaldi Mirsa Sahputra , Ilham Salahuddin Salahuddin Selamat Meliala Siagian, Manutur JT Siregar, Alwy Basyrah Soraya Masthura Hassan syarifah asria nanda, syarifah asria Taufiq Taufiq Teuku Muhammad Ridwan, Teuku Muhammad Teuku Multazam Ulya, Athiyatul Veri Ilhadi Wahyu Fuadi Yesy Afrillia ZA, Nazrul