Safety Concerns on Ground Fault Application Transfer Phenomenon in HV Installations

Risultato della ricerca: Other

3 Citazioni (Scopus)

Abstract

When a fault to ground occurs in HV/MV substations supplied by a combined overhead-cable line, most of the fault current can be transferred and injected into the soil several kilometers far away from the fault location. This phenomenon is called "fault application transfer" and mostly concerns transition stations, where cables are connected to the overhead line. If the transition station is a dead-end steel pole structure, usually accessible to the general public, the local ground electrode could be inadequate to maintain ground potential rise within safety limits. Hence, dangerous touch and step voltages may appear at exposed locations. In the paper results of various computer simulations are presented, pointing out the main factors affecting the phenomenon and associated hazards.
Lingua originaleEnglish
Pagine1-6
Numero di pagine6
Stato di pubblicazionePublished - 2007

All Science Journal Classification (ASJC) codes

  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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