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Dynamic Charging of Electric Vehicle with Negligible Power Transfer Fluctuation

Author

Listed:
  • Md Morshed Alam

    (Power Electronics and Renewable Energy Research Laboratory (PEARL), Department of Electrical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia)

  • Saad Mekhilef

    (Power Electronics and Renewable Energy Research Laboratory (PEARL), Department of Electrical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia)

  • Mehdi Seyedmahmoudian

    (School of Engineering, Deakin University, Waurn Ponds, Victoria 3216, Australia)

  • Ben Horan

    (School of Engineering, Deakin University, Waurn Ponds, Victoria 3216, Australia)

Abstract

High-efficiency inductive power transfer (IPT) with low misalignment effects is a key issue in the dynamic charging of electric vehicle (EV) systems. In this study, an advanced concept of analysis and design of transmitter and receiver coils with a special coil assembly is proposed for the dynamic charging of EVs. In each transmitter coil, large rectangular section is series connected with two zigzag-shaped small rectangular sections. These small sections are back-to-back series connected and located inside the large rectangular section. An adjacent pair of proposed transmitter coils with back-to-back series connection named extended double D (DD)-shaped transmitter is used throughout this paper. The major contribution in the case of the extended DD transmitter is negligible power transfer fluctuation, regardless of any horizontal misalignment of the receiver coil. Justification of the coil design is performed based on its load independent voltage gain and power transfer fluctuation characteristics. Experimental results prove that the power transfer fluctuation with load independent voltage gain is within ±6%, and the efficiency is approximately 93% under horizontal misalignment of receiver coil with an air gap of 140 mm. Finally, a new coil design set with a special arrangement has been proposed to maintain nearly uniform coupling factor and negligible power transfer fluctuation.

Suggested Citation

  • Md Morshed Alam & Saad Mekhilef & Mehdi Seyedmahmoudian & Ben Horan, 2017. "Dynamic Charging of Electric Vehicle with Negligible Power Transfer Fluctuation," Energies, MDPI, vol. 10(5), pages 1-20, May.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:5:p:701-:d:98830
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    References listed on IDEAS

    as
    1. Sergio Saponara, 2016. "Distributed Measuring System for Predictive Diagnosis of Uninterruptible Power Supplies in Safety-Critical Applications," Energies, MDPI, vol. 9(5), pages 1-18, April.
    2. Kafeel Ahmed Kalwar & Saad Mekhilef & Mehdi Seyedmahmoudian & Ben Horan, 2016. "Coil Design for High Misalignment Tolerant Inductive Power Transfer System for EV Charging," Energies, MDPI, vol. 9(11), pages 1-13, November.
    3. Feng Wen & Xueliang Huang, 2016. "Optimal Magnetic Field Shielding Method by Metallic Sheets in Wireless Power Transfer System," Energies, MDPI, vol. 9(9), pages 1-15, September.
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    Cited by:

    1. Machura, Philip & Li, Quan, 2019. "A critical review on wireless charging for electric vehicles," Renewable and Sustainable Energy Reviews, Elsevier, vol. 104(C), pages 209-234.
    2. Kai Song & Yu Lan & Xian Zhang & Jinhai Jiang & Chuanyu Sun & Guang Yang & Fengshuo Yang & Hao Lan, 2023. "A Review on Interoperability of Wireless Charging Systems for Electric Vehicles," Energies, MDPI, vol. 16(4), pages 1-22, February.
    3. Sanchari Deb & Kari Tammi & Karuna Kalita & Pinakeshwar Mahanta, 2018. "Impact of Electric Vehicle Charging Station Load on Distribution Network," Energies, MDPI, vol. 11(1), pages 1-25, January.
    4. Bruno Canizes & João Soares & Zita Vale & Juan M. Corchado, 2019. "Optimal Distribution Grid Operation Using DLMP-Based Pricing for Electric Vehicle Charging Infrastructure in a Smart City," Energies, MDPI, vol. 12(4), pages 1-40, February.
    5. Sara Deilami & S. M. Muyeen, 2020. "An Insight into Practical Solutions for Electric Vehicle Charging in Smart Grid," Energies, MDPI, vol. 13(7), pages 1-13, March.
    6. Su Su & Hao Li & David Wenzhong Gao, 2017. "Optimal Planning of Charging for Plug-In Electric Vehicles Focusing on Users’ Benefits," Energies, MDPI, vol. 10(7), pages 1-15, July.

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