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Modelling and Design of a Coils Structure for 100 kW Three-Phase Inductive Power Transfer System

Author

Listed:
  • Jacopo Colussi

    (Department of Energy, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy)

  • Roberto Re

    (Department of Energy, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy)

  • Paolo Guglielmi

    (Department of Energy, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy)

Abstract

This paper presents the modeling, the design and verification of a three-phase coil structure for high-power Wireless-Power-Transfer (WPT) in automotive applications. The system, a Three-Polar-Pad (TPP), with complex mechanical geometry, is analytically modeled with an equivalent simplified structure. Thanks to this simplification, a numerical design is performed to minimize cross-coupling effects among different phases of the same side (receiver or transmitter) maximizing the linkage flux receiver-to-transmitter and then the power transferred. The analytical model is then verified in a Finite-Element-Analysis (FEA) environment. A final design, comprehensive of the shielding, is proposed matching the preliminary design constraints. Hence, the preliminary model is verified by testing a prototype using a three-phase Silicon Carbide (SiC) inverter at the transmitter side. The capability of the system is demonstrated by transferring 100 kW with more than 94% DC-to-DC efficiency over a 50 mm air gap in perfectly aligned conditions.

Suggested Citation

  • Jacopo Colussi & Roberto Re & Paolo Guglielmi, 2022. "Modelling and Design of a Coils Structure for 100 kW Three-Phase Inductive Power Transfer System," Energies, MDPI, vol. 15(14), pages 1-18, July.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:14:p:5079-:d:860967
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    References listed on IDEAS

    as
    1. Shuo Liu & Jianhui Su & Jidong Lai, 2019. "Accurate Expressions of Mutual Inductance and Their Calculation of Archimedean Spiral Coils," Energies, MDPI, vol. 12(10), pages 1-14, May.
    2. Yang Yang & Jinlong Cui & Xin Cui, 2020. "Design and Analysis of Magnetic Coils for Optimizing the Coupling Coefficient in an Electric Vehicle Wireless Power Transfer System," Energies, MDPI, vol. 13(16), pages 1-15, August.
    3. Jacopo Colussi & Alessandro La Ganga & Roberto Re & Paolo Guglielmi & Eric Armando, 2021. "100 kW Three-Phase Wireless Charger for EV: Experimental Validation Adopting Opposition Method," Energies, MDPI, vol. 14(8), pages 1-18, April.
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    Cited by:

    1. Jianyang Zhai & Xudong Zhang & Shiqi Zhao & Yuan Zou, 2023. "Modeling and Experiments of a Wireless Power Transfer System Considering Scenarios from In-Wheel-Motor Applications," Energies, MDPI, vol. 16(2), pages 1-20, January.

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