Examination of Phase Excitation in a Desktop CLPS

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  • Miyamori J.
    Graduate School of Engineering, Tohoku Gakuin University
  • Haga A.
    Graduate School of Engineering, Tohoku Gakuin University
  • Kakubari Y.
    Graduate School of Engineering, Tohoku University
  • Sato F.
    Graduate School of Engineering, Tohoku University
  • Matsuki H.
    Graduate School of Engineering, Tohoku University
  • Sato T.
    NEC Tokin Corporation

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Other Title
  • デスクトップＣＬＰＳにおける位相励磁に関する検討
  • デスクトップ CLPS ニ オケル イソウレイジ ニ カンスル ケントウ

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The Contactless Power Station (CLPS) is a cordless power supply system that makes use of electromagnetic induction generated by means of coils. We propose a desktop design for CLPS, using spiral coils, because it is convenient to be able to charge the batteries of a digital still camera, a cellular phone, and a PC on single desk. The primary coil are arranged so that the coupling factor becomes 0, since it is inconvenient for the primary coils to be excited by each other. However, when the primary coils are synchronized and driven, the magnetic flux interferes with the electric power transmission. Attention was paid to changing each phase on the primary coils. As a result, when the phase was moved, stabilization of the output voltage was confirmed. Therefore, if the primary coils are suitably arranged, the power transmission pad can stabilize electric power transmission everywhere.

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