Steady State Electromagnetic Analysis of a Current-Voltage Sensorembedded in an Insulator for Three-Phase Power Distribution Systems

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  • 三相配電系用電流電圧センサ内蔵がいしの定常電磁界解析
  • サンソウ ハイデンケイヨウ デンリュウ デンアツ センサ ナイゾウガイシ ノ テイジョウ デンジカイ カイセキ

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Abstract

The authors have devised and proposed a current-voltage sensor embedded in an insulator, which realizes a concurrent measurement of both the waveforms of the current and the voltage without contact inthree-phase power distribution systems. Furthermore they have conducted the finite element analysis of thesensor to investigate the electromagnetic effect due to the geometrical arrangements of the conductors andthe overhead ground wire. As a result, the existence of the phase shift in the measured waveforms in thesensor has been clarified. In the paper, the geometrical effects, such as the interval between the distributionline and the overhead ground wire, on the phase shifts between the measured and practical waveforms inboth the horizontal and vertical arrangements of the distribution lines are simulated and discussed.

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