Evaluation of potentially effective ways for increasing power capacity of existing overhead lines

    Research output: Chapter in Book/Conference proceedingConference contributionpeer-review

    Abstract

    The assessment of the efficiency of increasing power capacity of existing overhead lines (OHL) is essential under the demands for cost-effective and ecological solutions within the current competitive market. In this paper we provide the basics of a methodology that permits the calculation of conductors' sag and ampacity at any temperature and power frequency, when the conductors are erected on a pre-specified OHL structure. This methodology takes a holistic perspective on the system performance and allows the calculations to be applied to even newly developed high temperature low sag composite conductors. The implementation of this methodology allowed the comparative analysis of the performance of conductors of different technologies and sizes erected on a 33 kV wood pole system. Results, among others, indicated that the novel conductors have better mechanical and electrical performance at normal operating temperatures, potentially permitting the operation of the system at 66 kV.
    Original languageEnglish
    Title of host publication1st International Conference on Sustainable Power Generation and Supply, SUPERGEN '09|Int. Conf. Sustainable Power Gener. Supply, SUPERGEN
    DOIs
    Publication statusPublished - 2009
    Event1st International Conference on Sustainable Power Generation and Supply, SUPERGEN '09 - Nanjing
    Duration: 1 Jul 2009 → …

    Conference

    Conference1st International Conference on Sustainable Power Generation and Supply, SUPERGEN '09
    CityNanjing
    Period1/07/09 → …

    Keywords

    • Ampacity
    • Composite conductors
    • Creep
    • HTLS conductors
    • Re-conductoring
    • Re-tensioning
    • Sag

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