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Development of a 60 kHz, 180 kW, Over 85% Efficiency Inductive Power Transfer System for a Tram

Author

Listed:
  • Seung-Hwan Lee

    (School of Electrical and Computer Engineering, University of Seoul, Seoul 02504, Korea)

  • Jae-Hee Kim

    (Metropolitan Transportation Research Center, Korea Railroad Research Institute, Uiwang 16105, Korea)

  • Jun-Ho Lee

    (Metropolitan Transportation Research Center, Korea Railroad Research Institute, Uiwang 16105, Korea)

Abstract

Conventional contact-based train power transfer systems have high maintenance costs and safety issues and cause noise and additional aerodynamic drag. Instead of the conventional system, a loosely coupled online wireless power transfer (WPT) system for a train is proposed in this paper. The operating frequency of the proposed design is 60 kHz to ensure a low flux density and a high-efficiency system with a large air gap. In addition, a new transmitter track and pick-up geometry for 60 kHz operation are designed using finite element analysis (FEA). The proposed design is evaluated theoretically and experimentally. By using the simulated results, a new 180 kW, 15 m test-bed for a tram is constructed. The total power transfer efficiency is greater than 85% at the rated output power, and the loss distribution in the system is identified. Electromagnetic field (EMF) radiation and the voltage induction at the rail are measured for safety evaluation. The measured EMF satisfied international guidelines.

Suggested Citation

  • Seung-Hwan Lee & Jae-Hee Kim & Jun-Ho Lee, 2016. "Development of a 60 kHz, 180 kW, Over 85% Efficiency Inductive Power Transfer System for a Tram," Energies, MDPI, vol. 9(12), pages 1-15, December.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:12:p:1075-:d:85424
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    Citations

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    Cited by:

    1. Seung-Hwan Lee & Kyung-Pyo Yi & Myung-Yong Kim, 2019. "6.78-MHz, 50-W Wireless Power Supply Over a 60-cm Distance Using a GaN-Based Full-Bridge Inverter," Energies, MDPI, vol. 12(3), pages 1-19, January.
    2. Supapong Nutwong & Anawach Sangswang & Sumate Naetiladdanon & Ekkachai Mujjalinvimut, 2018. "A Novel Output Power Control of Wireless Powering Kitchen Appliance System with Free-Positioning Feature," Energies, MDPI, vol. 11(7), pages 1-18, June.
    3. Marojahan Tampubolon & Laskar Pamungkas & Huang-Jen Chiu & Yu-Chen Liu & Yao-Ching Hsieh, 2018. "Dynamic Wireless Power Transfer for Logistic Robots," Energies, MDPI, vol. 11(3), pages 1-13, February.
    4. Xin Liu & Tianfeng Wang & Nan Jin & Salman Habib & Muhammad Ali & Xijun Yang & Houjun Tang, 2018. "Analysis and Elimination of Dead-Time Effect in Wireless Power Transfer System," Energies, MDPI, vol. 11(6), pages 1-15, June.
    5. Xin Liu & Tianfeng Wang & Xijun Yang & Nan Jin & Houjun Tang, 2017. "Analysis and Design of a Wireless Power Transfer System with Dual Active Bridges," Energies, MDPI, vol. 10(10), pages 1-20, October.
    6. Lin Chen & Jianfeng Hong & Zaifa Lin & Daqing Luo & Mingjie Guan & Wenxiang Chen, 2020. "A Converter with Automatic Stage Transition Control for Inductive Power Transfer," Energies, MDPI, vol. 13(20), pages 1, October.

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