Visualization of displacement currents flowing in the capacitors

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  • コンデンサー中を流れる変位電流の可視化
  • コンデンサーチュウ オ ナガレル ヘンイ デンリュウ ノ カシカ

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Abstract

One of the most important elements composing the electric circuits is the capacitors storing the electric energy in terms of electrical fields. Even though the capacitors are composed of the non-electrical conducting medium so called dielectric materials, the most distinguished electrical scientist Maxwell discovered that alternating current is possible to flow the capacitors. This leads to find the displacement current and to predict the electromagnetic wave propagation. As is well known, this electromagnetic wave makes it possible to commutate wireless electrical signal so that it may be regarded one of the major discoveries to construct the current modern high technology human world. In this paper, we try to visualize the aspect of displacement current distribution between the two electrodes of capacitor in order to optimize the electrode shape of capacitors based on the first order finite elements along with the equivalent electrical circuits.

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