Apr 2013
Electricity Transmission
Measurement of 3rd Party Exposure to Rise of Earth Potential
Live
Apr 2013
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National Grid Electricity System Operator
National Grid TO Innovation Team
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Innovation Funding Incentive
None
Health and Safety
£170,000.00
The ROEP at a number of our sites exceeds 650 V (Hot Sites), creating a possible transferred potential hazard to third parties in the vicinity of the site, as a consequence of metallic services to properties e.g. telephone, LVAC, gas, water etc.

The transferred potential hazard may result in personal injury and/or damage to electrical equipment, in particular telecommunications equipment.

This project is propose to determine the hot zones and transferred potentials in electrical installations and establishes better procedures for a full risk assessment using probabilistic methods.