Design of Automatic Battery Charger Using Forward DC-DC Converter for Solar Home Energy

Authors

  • Nur Vidia Laksmi B Department of Electrical Engineering, Faculty of Vocational Studies, Universitas Negeri Surabaya, Surabaya, Indonesia
  • Muhammad Syahril Mubarok Department of Engineering, Faculty of Advanced of Technology and Multidiscipline, Universitas Airlangga
  • Fithrotul Irda Amaliah Department of Electrical Engineering, Faculty of Vocational Studies, Universitas Negeri Surabaya
  • As’ad Shidqy Aziz Department of Electrical Engineering, Faculty of Vocational Studies, Universitas Negeri Surabaya
  • Daeng Rahmatullah Department of Electrical Engineering, Faculty of Vocational Studies, Universitas Negeri Surabaya
  • Dimas Herjuno Kyushu Institute of Technology
  • Muhammad Afnan Habibi University of Leeds

DOI:

https://doi.org/10.26740/vubeta.v2i1.35817

Keywords:

Renewable energy, Solar home industry, Forward DC-DC converter, Battery charger, Fuzzy logic controller

Abstract

The utilization of solar energy as a renewable and environmentally friendly energy source, which is inexhaustible, is an ideal solution to meet the growing demand for electricity. Solar Home Energy refers to a house powered by solar energy. The solar energy is subsequently stored in batteries using a battery charger. In this paper, a forward DC-DC converter is used as a battery charger to supply power to a self-sufficient house from solar energy, stored in a 96 V 45 Ah battery. A fuzzy logic controller is employed to regulate the output of the forward DC-DC converter, ensuring a constant charging voltage according to the set point. The output of this project is designed for 110 V 4.5 A; however, in practice, the forward DC-DC converter only achieved a charging voltage of 100.5 V, resulting in an error of 8.63% from the planned value. Additionally, the charging current reached 1.4 A, leading to a significant error of 63.89% from the planned charging current.

Author Biographies

Nur Vidia Laksmi B, Department of Electrical Engineering, Faculty of Vocational Studies, Universitas Negeri Surabaya, Surabaya, Indonesia

Nur Vidia Laksmi B.      received her B.A.Sc. degree from the Electronic Engineering Polytechnic Institute of Surabaya, Indonesia, in 2015 and her M.Sc. degree from the Department of Electrical Engineering, National Taiwan University of Science and Technology (NTUST), Taiwan, in 2018. Currently, she is a lecturer in the Department of Electrical Engineering, Universitas Negeri Surabaya, Surabaya, Indonesia. Her research interests include power electronics, motor drives, and the application of control theories. She can be contacted at email: nurvidialaksmi@unesa.ac.id

Muhammad Syahril Mubarok, Department of Engineering, Faculty of Advanced of Technology and Multidiscipline, Universitas Airlangga

Muhammad Syahril Mubarok received his B.A.Sc. degree from the Electronic Engineering Polytechnic Institute of Surabaya, Indonesia, in 2015, and M.Sc. and Ph.D. degrees in electrical engineering from the National Taiwan University of Science and Technology, Taipei, Taiwan, in 2018 and 2023, respectively. His research interests include electric drive systems and model predictive control. Currently, he is a lecturer in the Department of Engineering, Universitas Airlangga, Surabaya, Indonesia. He can be contacted at email: syahril.mubarok@ftmm.unair.ac.id

Fithrotul Irda Amaliah, Department of Electrical Engineering, Faculty of Vocational Studies, Universitas Negeri Surabaya

Fithrotul Irda Amaliah is a lecturer in the Department of Electrical Engineering, Universitas Negeri Surabaya, Indonesia. She is received the S.Tr.T. in Electronics Engineering from the Electronic Engineering Polytechnic Institute of Surabaya (PENS) in 2021. She is received the M.Tr.T. in Electrical Engineering from the Electronic Engineering Polytechnic Institute of Surabaya (PENS) in 2024. She is mainly research in the electronic and sensor. She can be contacted at email: fithrotulamaliah@unesa.ac.id

As’ad Shidqy Aziz, Department of Electrical Engineering, Faculty of Vocational Studies, Universitas Negeri Surabaya

As’ad Shidqy Aziz     is a lecturer in the Department of Electrical Engineering, Universitas Negeri Surabaya, Indonesia. He is received the S.T. from Brawijaya University in Electrical Engineering, Surabaya in 2014. He is received the M.T. from Brawijaya University in Electrical Engineering, Surabaya in 2019. He is mainly research in the Electronics and Sensors. He can be contacted at email: asadaziz@unesa.ac.id

Daeng Rahmatullah, Department of Electrical Engineering, Faculty of Vocational Studies, Universitas Negeri Surabaya

Daeng Rahmatullah      is a lecturer in the Department of Electrical Engineering, Universitas Negeri Surabaya, Indonesia. He is received the S.T. from Universitas Negeri Surabaya in Electrical Engineering, Surabaya in 2012. He is received the M.T. from Institut Tecnologi Sepuluh Nopember in Electrical Engineering, Surabaya in 2017. He is mainly research in the Industrial Otomation and Power System Protection. He can be contacted at email: daengrahmatullah@unesa.ac.id

Dimas Herjuno, Kyushu Institute of Technology

Dimas Herjuno       is a doctoral student in the Department of Life Science and Systems Engineering at Kyushu Institute of Technology. He received his B.Sc.in Electronics Engineering from Sepuluh Nopember Institute of Technology, Surabaya, in 2012 and his M.Sc. in Electronics Engineering from National Taiwan University of Science and Technology in 2017. His main research areas are embedded systems, computer vision and artificial intelligence. He can be contacted by email at herjuno.dimas478@mail.kyutech.jp

Muhammad Afnan Habibi, University of Leeds

Muhammad Afnan Habibi is a doctoral student in the School of Electronic and Electrical Engineering at University of Leeds, United Kingdom. He received his B.Sc. in Electrical Engineering from Universitas Brawijaya, Malang, in 2015 and his M.Eng. in Electrical Engineering from University of Miyazaki, Japan in 2017. His main research areas are distributed generation, electric machines, and power system. He can be contacted by email at elmaha@leeds.ac.uk

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2025-03-01

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[1]
N. Vidia Laksmi B, “Design of Automatic Battery Charger Using Forward DC-DC Converter for Solar Home Energy”, Vokasi Unesa Bull. Eng. Technol. Appl. Sci., vol. 2, no. 1, pp. 57–66, Mar. 2025.

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Vol. 2 No. 1 (2025)

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Copyright (c) 2025 Nur Vidia Laksmi B, Muhammad Syahril Mubarok, Fithrotul Irda Amaliah, As’ad Shidqy Aziz, Daeng Rahmatullah, Dimas Herjuno

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