Power Quality (PQ) Modelling

  • Dalby, Arne Brejning (Project Manager)
  • Andersen, Hans-Kurt (Project Participant)
  • Bang, Jørn Winge (Project Participant)

    Project Details


    Investigation of coupled transmission-line structures, especially medium voltage power-lines (cables with up to 7 conductors). The purpose of the investigation is to try to find a mathematical model (or models) which can be used to predict how signals (not 50Hz) of different kinds propagate on the power-lines. The final goal is to be able to predict how noise of any kind propagates on a power grid. The work also forms the basis for choosing the kind of signal (modulation) to be used on the power grid for communication purposes.
    The work which shall continue in the form of a ph-d project has until now resulted in an overview of different methods that can be used to investigate transfer functions and time domain responses on coupled transmission-line structures. A very simple method presented by Arne Brejning Dalby can in most cases be used with fine accuracy instead of the more rigorous (exact) methods, which in many cases in practice are difficult to implement.
    The work until now, which was paid by the power companies of Zealand, Denmark, is reported in the "PQ-Modelling report", which can be obtained from IAE.
    Two papers have been presented at conferences in France and Germany.
    The work which is part of a larger project where "NESA", a Danish power-company, the Technical University in Lund, Sweden and "Sydkraft" a Swedish power-company also have participated, continues with support from the companies.
    Effective start/end date01/03/199631/12/1997

    Collaborative partners


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