平板電極を用いたPEA法によるCVケーブル中の空間電荷分布測定装置

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  • Measurement System of Space Charge Distribution in CV Cable using PEA Method with Flat Electrode
  • ヘイバン デンキョク オ モチイタ PEAホウ ニヨル CV ケーブルチュウ

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The Pulsed Electro-Acoustic (PEA) method has been used for the measurement of space charge distribution in coaxial cables. When the PEA method are applied to the measurements of cables with various radius, however, it is necessary to make the curved surface electrode which fit with each outer radius of various cables. Therefore, we attempt to develop the PEA system with a flat electrode instead of curved surface electrode. To develop the new system, an analysis of optimum size of piezoelectric sensor is carried out, Furthermore, a structural improvement is adopted to reduce a noise level. Using the newly developed system, the PEA method become to be applicable to the any kind of cables with various radius.

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