Abstract: Precise and efficient coil inductance calculations in wireless power transfer (WPT) systems are crucial for accelerating the coil design process and optimizing system performances. However, ...

Abstract: To expedite the laborious design and optimization of resonant coils in wireless power transfer systems, many traditional modeling methods are studied to calculate the coil inductances based ...

This Design Idea shows how tocalculate the inductance of amultilayer air-core coil using only itsdimensions and resistance. If you knowthe dimensions and the number of turnson an air-core coil, you ...

コイルのインピーダンスの大きさが、ωL[Ω]であると教科書に書いてある。ただし、ωは角周波数[rad/s]、Lはインダクタンス[H ...

The wireless power transmission (WPT) system through magnetic field coupling for energy transmission may have foreign objects in the transmission channel in the practical application process, which ...

無線を扱う前に技術者が知っておくべき基本を3回の連載で解説する。前回はアンテナと伝送路について説明した。特にアンテナ設計や雑音対策のコツが分かるように、グラウンドについて詳説した。最終回の今回はインピーダンスについて、その基礎から ...

This principle is central to electromagnetic induction and underlies many devices in modern power and electronics. Inductance occurs when a change in current flow is utilized to prevent signals with a ...

In the race for ever-improving technology, there are two related technical capabilities that drive our world forward: speed and size. These are related, as the smaller a device is, the less distance ...