Electrical testing of decommissioned 25 kV rail supply insulators

R. Mason, A.J. Reid, M.J. Given, M.D. Judd

    Research output: Contribution to conferencePaper

    Abstract

    Partial Discharge measurements were carried out on 101 Ceramic Insulators removed from service from three different locations on a 25 kV rail supply network. Measurements were taken using a combined IEC 60270 apparent charge and RF measurement system to assess the condition of the insulators. Low level (25 – 35 pC) PD activity was observed in 15 of the samples, and was thought to be the result of voids at the terminal surfaces where delamination of the porcelain could have taken place through mechanical stress or environmental conditions. The RF and apparent charge measurement systems were comparable in their ability to detect PD activity, which indicates that it might be possible to develop a noncontact RF condition monitoring system for use with rail supply insulators.
    Original languageEnglish
    Pages57-60
    Number of pages4
    Publication statusPublished - Jan 2009

    Fingerprint

    Rails
    Testing
    Porcelain
    Partial discharges
    Condition monitoring
    Delamination

    Keywords

    • partial discharge
    • RF measurement
    • ceramic insulators

    Cite this

    Mason, R., Reid, A. J., Given, M. J., & Judd, M. D. (2009). Electrical testing of decommissioned 25 kV rail supply insulators. 57-60.
    Mason, R. ; Reid, A.J. ; Given, M.J. ; Judd, M.D. / Electrical testing of decommissioned 25 kV rail supply insulators. 4 p.
    @conference{aeed3cbfceb24deb9b115076ea3688e8,
    title = "Electrical testing of decommissioned 25 kV rail supply insulators",
    abstract = "Partial Discharge measurements were carried out on 101 Ceramic Insulators removed from service from three different locations on a 25 kV rail supply network. Measurements were taken using a combined IEC 60270 apparent charge and RF measurement system to assess the condition of the insulators. Low level (25 – 35 pC) PD activity was observed in 15 of the samples, and was thought to be the result of voids at the terminal surfaces where delamination of the porcelain could have taken place through mechanical stress or environmental conditions. The RF and apparent charge measurement systems were comparable in their ability to detect PD activity, which indicates that it might be possible to develop a noncontact RF condition monitoring system for use with rail supply insulators.",
    keywords = "partial discharge, RF measurement, ceramic insulators",
    author = "R. Mason and A.J. Reid and M.J. Given and M.D. Judd",
    year = "2009",
    month = "1",
    language = "English",
    pages = "57--60",

    }

    Mason, R, Reid, AJ, Given, MJ & Judd, MD 2009, 'Electrical testing of decommissioned 25 kV rail supply insulators' pp. 57-60.

    Electrical testing of decommissioned 25 kV rail supply insulators. / Mason, R.; Reid, A.J.; Given, M.J.; Judd, M.D.

    2009. 57-60.

    Research output: Contribution to conferencePaper

    TY - CONF

    T1 - Electrical testing of decommissioned 25 kV rail supply insulators

    AU - Mason, R.

    AU - Reid, A.J.

    AU - Given, M.J.

    AU - Judd, M.D.

    PY - 2009/1

    Y1 - 2009/1

    N2 - Partial Discharge measurements were carried out on 101 Ceramic Insulators removed from service from three different locations on a 25 kV rail supply network. Measurements were taken using a combined IEC 60270 apparent charge and RF measurement system to assess the condition of the insulators. Low level (25 – 35 pC) PD activity was observed in 15 of the samples, and was thought to be the result of voids at the terminal surfaces where delamination of the porcelain could have taken place through mechanical stress or environmental conditions. The RF and apparent charge measurement systems were comparable in their ability to detect PD activity, which indicates that it might be possible to develop a noncontact RF condition monitoring system for use with rail supply insulators.

    AB - Partial Discharge measurements were carried out on 101 Ceramic Insulators removed from service from three different locations on a 25 kV rail supply network. Measurements were taken using a combined IEC 60270 apparent charge and RF measurement system to assess the condition of the insulators. Low level (25 – 35 pC) PD activity was observed in 15 of the samples, and was thought to be the result of voids at the terminal surfaces where delamination of the porcelain could have taken place through mechanical stress or environmental conditions. The RF and apparent charge measurement systems were comparable in their ability to detect PD activity, which indicates that it might be possible to develop a noncontact RF condition monitoring system for use with rail supply insulators.

    KW - partial discharge

    KW - RF measurement

    KW - ceramic insulators

    M3 - Paper

    SP - 57

    EP - 60

    ER -

    Mason R, Reid AJ, Given MJ, Judd MD. Electrical testing of decommissioned 25 kV rail supply insulators. 2009.