2 research outputs found
Ground systems efficiency in areas with reduced accessibility
Efficiency of grounding systems has to be verified
periodically in the operational time. With urban development and
buildings growth adjacent to power systems as HV/MV substations,
it is very rare to have area around with sufficient accessibility for
installing the potential and current electrodes. This paper discusses
a safety criterion to verify the efficiency of a grounding system. By
means of this criterion, conservative tests are suggested for both
ground potential rise and touch voltage and step voltage that allow
to verify the grounding systems efficiency in areas with reduced
accessibility and also to monitor its evolution in the time.Efficiency of grounding systems has to be verified
periodically in the operational time. With urban development and
buildings growth adjacent to power systems as HV/MV substations,
it is very rare to have area around with sufficient accessibility for
installing the potential and current electrodes. This paper discusses
a safety criterion to verify the efficiency of a grounding system. By
means of this criterion, conservative tests are suggested for both
ground potential rise and touch voltage and step voltage that allow
to verify the grounding systems efficiency in areas with reduced
accessibility and also to monitor its evolution in the time