Dielectric breakdown properties of low-density polyethylene under power-frequency voltages with high-frequency components

Hidenori Suzuki, Yoshimichi Ohki, Yoshinobu Nakamichi, Kohji Ajiki

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

    Abstract

    For magnetic levitation railway systems using linear synchronous motors, pulse-width-modulation inverters and polymer insulated cables are used for driving cars and feeding electricity, respectively. This implies that ac voltages with many harmonics induced by inverters are applied to cables. However, little is known about dielectric properties of polymers under such ac voltages. Therefore, breakdown characteristics have been investigated for low-density polyethylene using power-frequency ac voltages with high-frequency components. It was found that breakdown voltage decreases as the frequency component increases. However, the number of zero-crossings of the applied voltage, which is very influential in the water-tree length, does not seem to play an important role in the dielectric breakdown.

    Original languageEnglish
    Title of host publicationProceedings of Joint Conference: 1996 Asian International Conference on Dielectrics and Electrical Insulation Diagnosis
    Editors Anon
    PublisherXi'an Jiaotong Univ
    Pages203-206
    Number of pages4
    Publication statusPublished - 1996
    EventProceedings of Joint Conference: 1996 Asian International Conference on Dielectrics & Electrical Insulation Diagnosis, 96'AICDEI & 4th-JCCEID - Xi'an, China
    Duration: 1996 Oct 81996 Oct 11

    Other

    OtherProceedings of Joint Conference: 1996 Asian International Conference on Dielectrics & Electrical Insulation Diagnosis, 96'AICDEI & 4th-JCCEID
    CityXi'an, China
    Period96/10/896/10/11

    Fingerprint

    Low density polyethylenes
    Electric breakdown
    Electric potential
    Cables
    Magnetic levitation
    Linear motors
    Polymers
    Synchronous motors
    Pulse width modulation
    Dielectric properties
    Railroad cars
    Electricity
    Water

    ASJC Scopus subject areas

    • Engineering(all)

    Cite this

    Suzuki, H., Ohki, Y., Nakamichi, Y., & Ajiki, K. (1996). Dielectric breakdown properties of low-density polyethylene under power-frequency voltages with high-frequency components. In Anon (Ed.), Proceedings of Joint Conference: 1996 Asian International Conference on Dielectrics and Electrical Insulation Diagnosis (pp. 203-206). Xi'an Jiaotong Univ.

    Dielectric breakdown properties of low-density polyethylene under power-frequency voltages with high-frequency components. / Suzuki, Hidenori; Ohki, Yoshimichi; Nakamichi, Yoshinobu; Ajiki, Kohji.

    Proceedings of Joint Conference: 1996 Asian International Conference on Dielectrics and Electrical Insulation Diagnosis. ed. / Anon. Xi'an Jiaotong Univ, 1996. p. 203-206.

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

    Suzuki, H, Ohki, Y, Nakamichi, Y & Ajiki, K 1996, Dielectric breakdown properties of low-density polyethylene under power-frequency voltages with high-frequency components. in Anon (ed.), Proceedings of Joint Conference: 1996 Asian International Conference on Dielectrics and Electrical Insulation Diagnosis. Xi'an Jiaotong Univ, pp. 203-206, Proceedings of Joint Conference: 1996 Asian International Conference on Dielectrics & Electrical Insulation Diagnosis, 96'AICDEI & 4th-JCCEID, Xi'an, China, 96/10/8.
    Suzuki H, Ohki Y, Nakamichi Y, Ajiki K. Dielectric breakdown properties of low-density polyethylene under power-frequency voltages with high-frequency components. In Anon, editor, Proceedings of Joint Conference: 1996 Asian International Conference on Dielectrics and Electrical Insulation Diagnosis. Xi'an Jiaotong Univ. 1996. p. 203-206
    Suzuki, Hidenori ; Ohki, Yoshimichi ; Nakamichi, Yoshinobu ; Ajiki, Kohji. / Dielectric breakdown properties of low-density polyethylene under power-frequency voltages with high-frequency components. Proceedings of Joint Conference: 1996 Asian International Conference on Dielectrics and Electrical Insulation Diagnosis. editor / Anon. Xi'an Jiaotong Univ, 1996. pp. 203-206
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    abstract = "For magnetic levitation railway systems using linear synchronous motors, pulse-width-modulation inverters and polymer insulated cables are used for driving cars and feeding electricity, respectively. This implies that ac voltages with many harmonics induced by inverters are applied to cables. However, little is known about dielectric properties of polymers under such ac voltages. Therefore, breakdown characteristics have been investigated for low-density polyethylene using power-frequency ac voltages with high-frequency components. It was found that breakdown voltage decreases as the frequency component increases. However, the number of zero-crossings of the applied voltage, which is very influential in the water-tree length, does not seem to play an important role in the dielectric breakdown.",
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    AB - For magnetic levitation railway systems using linear synchronous motors, pulse-width-modulation inverters and polymer insulated cables are used for driving cars and feeding electricity, respectively. This implies that ac voltages with many harmonics induced by inverters are applied to cables. However, little is known about dielectric properties of polymers under such ac voltages. Therefore, breakdown characteristics have been investigated for low-density polyethylene using power-frequency ac voltages with high-frequency components. It was found that breakdown voltage decreases as the frequency component increases. However, the number of zero-crossings of the applied voltage, which is very influential in the water-tree length, does not seem to play an important role in the dielectric breakdown.

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