[学術論文]
スパイラルコイルの低周波数帯用等価回路モデルに関する基礎的検討
キーワード:
wireless power transfer,
flat spiral coil,
coil modeling,
coil design parameters,
low frequency band
2021 年 29 巻 1 号 p. 105-110
詳細
2021 年 29 巻 1 号 p. 105-110
In recent years, wireless power transmission technology has attracted a lot of attention. By using wireless power transmission, it is possible to easily supply power to tablets and smartphones without connecting to a cable. However, the impedance of spiral coils is difficult to derive from the external form and it is difficult to assume the impedance at the design stage. In this study, the impedance is derived based on the equation of electromagnetism with the addition of a geometric approach. As a result, we have derived a formula that makes the computational process more theoretical and easier than the conventional one.
