Implementation of interleaved bi-directional DC-DC converter with multi stage constant current charging based on fuzzy control for disturbance-resistant electric vehicle battery swapping stations

Authors

DOI:

https://doi.org/10.15587/1729-4061.2025.342160

Keywords:

battery swapping station, multi stage constant current, interleaved bidirectional converter

Abstract

This research presents an interleaved bi-directional non-inverting buck-boost converter designed for public electric vehicle battery swapping stations (BSS). This study solves the critical problem of BSS vulnerability to main power outages, which threatens their operational reliability. The developed solution is a device that not only performs efficient charging but also functions as an emergency power source, utilizing power from connected batteries during a grid failure. The methodology incorporates an interleaved topology and a multi-stage constant current (MSCC) charging method controlled by a fuzzy logic controller (FLC). Experimental results show the interleaved operation successfully increased power capacity up to 1.1 kW, achieving an average efficiency of 93.44%. A distinctive feature of the result is the reduction of the output current ripple by 47.7% down to 0.92%. This is explained by the ripple-cancellation effect inherent to the interleaved design, which is a key feature for preserving long-term battery health. Furthermore, the MSCC method achieved a 13.7% reduction in execution time compared to the conventional constant current-constant voltage (CC-CV) method, with a total charging duration of 66.8 minutes. This validated prototype successfully demonstrated a seamless and automatic emergency mode transition during a power failure, directly answering the BSS reliability challenge. The prototype also confirmed its bidirectional functionality and seamless mode transition from standard charging to emergency power supply mode. The scope of this research provides a practical and high-performance integrated solution for BSS, effectively addressing vulnerability issues by improving reliability and charging time efficiency, ensuring continuous service.

Author Biographies

Sonki Prasetya, Politeknik Negeri Jakarta

Doctor, Associate Professor

Department of Mechanical Engineering

Researcher of Center for Conversion Conservation and Appliend Renewable Energies (CARE)

Eka Prasetyono, Politeknik Elektronika Negeri Surabaya

Master of Electrical Engineering

Department of Electrical Engineering

Mochamad Ari Bagus Nugroho, Politeknik Elektronika Negeri Surabaya

Master of Electrical Engineering

Department of Electrical Engineering

Epyk Sunarno, Politeknik Elektronika Negeri Surabaya

Master of Electrical Engineering

Department of Electrical Engineering

Muhammad Fikri Rizki, Politeknik Elektronika Negeri Surabaya

Bachelor of Electrical Engineering

Department of Electrical Engineering

Haolia Rahman, Politeknik Negeri Jakarta

PhD, Doctor, Associate Professor

Department of Mechanical Engineering

Muhammad Hidayat Tullah, Politeknik Negeri Jakarta

Magister, Lecturer

Department of Mechanical Engineering

Jazuli Fadil, Politeknik Negeri Banjarmasin

Doctor of Electrical Engineering

Department of Electrical Engineering

Teguh Suprianto, Politeknik Negeri Banjarmasin

Doctor of Mechanical Engineering

Department of Mechanical Engineering

Lauhil Mahfudz Hayusman, Politeknik Negeri Banjarmasin

Master of Electrical Engineering

Department of Electrical Engineering

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Implementation of interleaved bi-directional DC-DC converter with multi stage constant current charging based on fuzzy control for disturbance-resistant electric vehicle battery swapping stations

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Published

2025-10-31

How to Cite

Prasetya, S., Prasetyono, E., Nugroho, M. A. B., Sunarno, E., Rizki, M. F., Rahman, H., Tullah, M. H., Fadil, J., Suprianto, T., & Hayusman, L. M. (2025). Implementation of interleaved bi-directional DC-DC converter with multi stage constant current charging based on fuzzy control for disturbance-resistant electric vehicle battery swapping stations. Eastern-European Journal of Enterprise Technologies, 5(5 (137), 6–18. https://doi.org/10.15587/1729-4061.2025.342160

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Section

Applied physics