Effect of the applied voltage frequency on the water tree shape in polyethylene

T. Maeda*, D. Kaneko, Y. Ohki, T. Konishi, Y. Nakamichi, M. Okashita

*この研究の対応する著者

研究成果: Conference contribution

7 被引用数 (Scopus)

抄録

We have been examining the effects of superposition of a high-frequency voltage to various voltages such as dc, low-frequency (0.1 to 5 Hz), and power-frequency voltages on the development of water trees in polyethylene. We have made clear that the number of voltage zero-crossings is a decisive factor in the length of water trees. In the present research, the water tree shapes grown under the various superposed voltages were carefully observed. As a result, we have confirmed that the water tree tends to become a hand-like shape if the frequency of the lower-frequency component is between 0 and 0.5 Hz, and become spherical if the frequency is higher than 1.0 Hz. This result is explained by assuming that the growth of water trees is governed by the effective number of consecutive voltage zero-crossings at the tip of the water tree.

本文言語English
ホスト出版物のタイトルProceedings of the 2004 IEEE International Conference on Solid Dielectrics ICSD 2004
ページ276-279
ページ数4
出版ステータスPublished - 2004
イベントProceedings of the 2004 IEEE International Conference on Solid Dielectrics ICSD 2004 - Toulouse, France
継続期間: 2004 7月 52004 7月 9

出版物シリーズ

名前Proceedings of the 2004 IEEE International Conference on Solid Dielectrics ICSD 2004
1

Conference

ConferenceProceedings of the 2004 IEEE International Conference on Solid Dielectrics ICSD 2004
国/地域France
CityToulouse
Period04/7/504/7/9

ASJC Scopus subject areas

  • 工学(全般)

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