• DocumentCode
    1724007
  • Title

    Impact of high resistance faults on impedance protection perfomance

  • Author

    Matshidza, Rhulani ; Bartylak, Adam ; Zivanovic, Rastko

  • Author_Institution
    ESKOM, Transmission South Africa (Africa)
  • fYear
    2005
  • Firstpage
    1
  • Lastpage
    5
  • Abstract
    ESKOM has relied primarily on impedance-based measurement protection relays for the protection of EHV transmission lines. One of the main disadvantages of a distance relays is the limited fault resistance measurement capability. There are currently more than 20 relay types applied as transmission line protection on the ESKOM´s transmission network with the most common types of characteristic being mho and polygonal characteristics.
  • Keywords
    Distance protection; High resistance fault; algorithm; relays;
  • fLanguage
    English
  • Publisher
    iet
  • Conference_Titel
    Electricity Distribution, 2005. CIRED 2005. 18th International Conference and Exhibition on
  • Conference_Location
    Turin, Italy
  • Type

    conf

  • Filename
    5427870