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A Multiple Legs Inverter with Real Time–Reflected Load Detection Used in the Dynamic Wireless Charging System of Electric Vehicles

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  • Yong Tian

    (College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China)

  • Jindong Tian

    (College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China)

  • Dong Li

    (College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China)

  • Shijie Zhou

    (College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China)

Abstract

Dynamic wireless power transfer is a potentially effective method to solve issues related to the range anxiety of electric vehicles (EVs) and reduce the cost of on-board batteries. A novel multiple legs inverter topology with a reflected load identification method for dynamic EV charging is proposed in this paper. In the proposed circuit topology, several inductor-capacitor-capacitor (LCC) reactive power compensation resonant networks and primary pads are selectively excited through a sole primary converter. Besides, a high-response and simple method for the reflected load identification is proposed to rapidly and precisely detect the EV’s position, providing accurate power regulation reference to the converter. With the proposed method, the system can realize high-response and closed-loop power control precisely without any additional wireless communication and position detection devices. Simulation and experimental results verified the efficiency of the proposed scheme. Additionally, the cost comparison results reveal that the proposed scheme could reduce costs by nearly 78% in comparison with the conventional scheme.

Suggested Citation

  • Yong Tian & Jindong Tian & Dong Li & Shijie Zhou, 2018. "A Multiple Legs Inverter with Real Time–Reflected Load Detection Used in the Dynamic Wireless Charging System of Electric Vehicles," Energies, MDPI, vol. 11(5), pages 1-20, May.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:5:p:1275-:d:146743
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    References listed on IDEAS

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    1. Suh, In-Soo & Lee, Minyoung & Kim, Jedok & Oh, Sang Taek & Won, Jong-Phil, 2015. "Design and experimental analysis of an efficient HVAC (heating, ventilation, air-conditioning) system on an electric bus with dynamic on-road wireless charging," Energy, Elsevier, vol. 81(C), pages 262-273.
    2. García-Vázquez, Carlos A. & Llorens-Iborra, Francisco & Fernández-Ramírez, Luis M. & Sánchez-Sainz, Higinio & Jurado, Francisco, 2017. "Comparative study of dynamic wireless charging of electric vehicles in motorway, highway and urban stretches," Energy, Elsevier, vol. 137(C), pages 42-57.
    3. Deng, Junjun & Pang, Bo & Shi, Wenli & Wang, Zhenpo, 2017. "A new integration method with minimized extra coupling effects using inductor and capacitor series-parallel compensation for wireless EV charger," Applied Energy, Elsevier, vol. 207(C), pages 405-416.
    4. Ainur Rakhymbay & Anvar Khamitov & Mehdi Bagheri & Batyrbek Alimkhanuly & Maxim Lu & Toan Phung, 2018. "Precise Analysis on Mutual Inductance Variation in Dynamic Wireless Charging of Electric Vehicle," Energies, MDPI, vol. 11(3), pages 1-21, March.
    5. Ruikun Mai & Hongchao Li & Yeran Liu & Kunzhuo Zhou & Ling Fu & Zhengyou He, 2018. "A Three-Phase Dynamic Wireless Charging System with Constant Output Voltage," Energies, MDPI, vol. 11(1), pages 1-12, January.
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    Cited by:

    1. Amjad, Muhammad & Farooq-i-Azam, Muhammad & Ni, Qiang & Dong, Mianxiong & Ansari, Ejaz Ahmad, 2022. "Wireless charging systems for electric vehicles," Renewable and Sustainable Energy Reviews, Elsevier, vol. 167(C).

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