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Modular Battery Charger for Light Electric Vehicles

Author

Listed:
  • Andrei Blinov

    (Department of Electrical Power Engineering and Mechatronics, Tallinn University of Technology, 19086 Tallinn, Estonia)

  • Ievgen Verbytskyi

    (Department of Industrial Electronics, National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, 03056 Kyiv, Ukraine)

  • Denys Zinchenko

    (Department of Electrical Power Engineering and Mechatronics, Tallinn University of Technology, 19086 Tallinn, Estonia
    Department of Industrial Electronics, National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, 03056 Kyiv, Ukraine)

  • Dmitri Vinnikov

    (Department of Electrical Power Engineering and Mechatronics, Tallinn University of Technology, 19086 Tallinn, Estonia)

  • Ilya Galkin

    (Faculty of Power and Electrical Engineering, Riga Technical University, LV1048 Riga, Latvia)

Abstract

Rapid developments in energy storage and conversion technologies have led to the proliferation of low- and medium-power electric vehicles. Their regular operation typically requires an on-board battery charger that features small dimensions, high efficiency and power quality. This paper analyses an interleaved step-down single-ended primary-inductor converter (SEPIC) operating in the discontinuous conduction mode (DCM) for charging of battery-powered light electric vehicles such as an electric wheelchair. The required characteristics are achieved thanks to favourable arrangement of the inductors in the circuit: the input inductor is used for power factor correction (PFC) without additional elements, while the other inductor is used to provide galvanic isolation and required voltage conversion ratio. A modular interleaved structure of the converter helps to implement low-profile converter design with standard components, distribute the power losses and improve the performance. An optimal number of converter cells was estimated. The converter uses a simple control algorithm for constant current and constant voltage charging modes. To reduce the energy losses, synchronous rectification along with a common regenerative snubber circuit was implemented. The proposed charger concept was verified with a developed 230 VAC to 29.4 VDC experimental prototype that has proved its effectiveness.

Suggested Citation

  • Andrei Blinov & Ievgen Verbytskyi & Denys Zinchenko & Dmitri Vinnikov & Ilya Galkin, 2020. "Modular Battery Charger for Light Electric Vehicles," Energies, MDPI, vol. 13(4), pages 1-21, February.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:4:p:774-:d:319049
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    References listed on IDEAS

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    1. Ilya Galkin & Andrei Blinov & Ievgen Verbytskyi & Denys Zinchenko, 2019. "Modular Self-Balancing Battery Charger Concept for Cost-Effective Power-Assist Wheelchairs," Energies, MDPI, vol. 12(8), pages 1-21, April.
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    Cited by:

    1. Ievgen Verbytskyi & Mykola Lukianov & Kawsar Nassereddine & Bohdan Pakhaliuk & Oleksandr Husev & Ryszard Michał Strzelecki, 2022. "Power Converter Solutions for Industrial PV Applications—A Review," Energies, MDPI, vol. 15(9), pages 1-33, April.
    2. Marcos Vinicius Mosconi Ewerling & Telles Brunelli Lazzarin & Carlos Henrique Illa Font, 2022. "Modular SEPIC-Based Isolated dc–dc Converter with Reduced Voltage Stresses across the Semiconductors," Energies, MDPI, vol. 15(21), pages 1-21, October.

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