Optimization of resonant capacitance in wireless power transfer system with 3-D stacked two receivers

Shusuke Yanagawa, Ryota Shimizu, Mototsugu Hamada, Toru Shimizu, Tadahiro Kuroda

    Research output: Contribution to journalArticle

    Abstract

    This paper describes a top-down design methodology to optimize resonant capacitance in a wireless power transfer system with 3- D stacked two receivers. A 1 : 2 selective wireless power transfer is realized by a frequency/time division multiplexing scheme. The power transfer function is analytically formulated and the optimum tuning capacitance is derived, which is validated by comparing with system simulation results. By using the optimized values, power transfer efficiencies at 6.78MHz and 13.56MHz are simulated to be 80% and 84%, respectively, which are < 3% worse than a conventional wireless power transfer system.

    Original languageEnglish
    Pages (from-to)488-492
    Number of pages5
    JournalIEICE Transactions on Electronics
    VolumeE101C
    Issue number7
    DOIs
    Publication statusPublished - 2018 Jul 1

    Keywords

    • Crosstalk
    • Efficiency
    • Multiple receivers
    • Wireless power transfer

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Electrical and Electronic Engineering

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