Development of air-core coils for energy harvesting of magnetic noise focused on commercial frequency(<Special Issue>19th MAGDA Conference)

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  • 商用周波数磁気ノイズを積極的に回収するエナジーハーベスティング用空心コイルの開発
  • ショウヨウ シュウハスウ ジキ ノイズ オ セッキョクテキ ニ カイシュウ スル エナジーハーベスティングヨウ クウシン コイル ノ カイハツ
  • Development of air-core coils for energy harvesting of magnetic noise focused on commercial frequency

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This paper presents a design of air-core coil for energy harvesting of magnetic noise focused on commercial frequency. We prepare four Brooks coils as parameters of size and spacing factor. The developed energy harvesting element is serial RLC circuit. It is composed by the Brooks coil, matching capacitor and matching load. From the experimental results, we successfully demonstrate the energy harvesting of 1mW power from a magnetic field of 60Hz, and the required flux density is less 25・T. Consideration of the optimum design for the element is also discussed.

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