Role of the number of consecutive voltage zero-crossings on the water tree growth in polyethylene

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

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Citation (Scopus)

    Abstract

    With the progress in power electronics, ac voltages with various harmonic components are often applied to insulating materials of power apparatus. Water treeing is the most-observed degradation pattern in polyethylene-insulated power cables, and much work has been done. Nevertheless little is known about their dielectric properties under above-mentioned particular ac voltages. In this paper, the authors examine the influence of superposition of a low-frequency ac voltage (0.1 to 5 Hz) and a high-frequency 2-kHz ac voltage on the growth of water trees in polyethylene. It has become clear that the number of consecutive voltage zero-crossings in the instant of the polarity reversal of the low-frequency voltage plays an important role in the length and shape of water trees.

    Original languageEnglish
    Title of host publicationProceedings of the IEEE International Conference on Properties and Applications of Dielectric Materials
    Pages932-935
    Number of pages4
    Volume3
    Publication statusPublished - 2003
    EventProceedings of the 7th International Conference on Properties and Applications of Dielectric Materials - Nagoya
    Duration: 2003 Jun 12003 Jun 5

    Other

    OtherProceedings of the 7th International Conference on Properties and Applications of Dielectric Materials
    CityNagoya
    Period03/6/103/6/5

    Fingerprint

    Polyethylene
    Polyethylenes
    Water
    Electric potential
    Insulating materials
    Power electronics
    Dielectric properties
    Cables
    Degradation

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Electronic, Optical and Magnetic Materials

    Cite this

    Kaneko, D., Maeda, T., Ito, T., Ohki, Y., Konishi, T., Nakamichi, Y., & Okashita, M. (2003). Role of the number of consecutive voltage zero-crossings on the water tree growth in polyethylene. In Proceedings of the IEEE International Conference on Properties and Applications of Dielectric Materials (Vol. 3, pp. 932-935)

    Role of the number of consecutive voltage zero-crossings on the water tree growth in polyethylene. / Kaneko, D.; Maeda, T.; Ito, T.; Ohki, Yoshimichi; Konishi, T.; Nakamichi, Y.; Okashita, M.

    Proceedings of the IEEE International Conference on Properties and Applications of Dielectric Materials. Vol. 3 2003. p. 932-935.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Kaneko, D, Maeda, T, Ito, T, Ohki, Y, Konishi, T, Nakamichi, Y & Okashita, M 2003, Role of the number of consecutive voltage zero-crossings on the water tree growth in polyethylene. in Proceedings of the IEEE International Conference on Properties and Applications of Dielectric Materials. vol. 3, pp. 932-935, Proceedings of the 7th International Conference on Properties and Applications of Dielectric Materials, Nagoya, 03/6/1.
    Kaneko D, Maeda T, Ito T, Ohki Y, Konishi T, Nakamichi Y et al. Role of the number of consecutive voltage zero-crossings on the water tree growth in polyethylene. In Proceedings of the IEEE International Conference on Properties and Applications of Dielectric Materials. Vol. 3. 2003. p. 932-935
    Kaneko, D. ; Maeda, T. ; Ito, T. ; Ohki, Yoshimichi ; Konishi, T. ; Nakamichi, Y. ; Okashita, M. / Role of the number of consecutive voltage zero-crossings on the water tree growth in polyethylene. Proceedings of the IEEE International Conference on Properties and Applications of Dielectric Materials. Vol. 3 2003. pp. 932-935
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