Feb 2014
Electricity Distribution
Detection of Broken/Low Hanging Overhead Line Conductors
Feb 2014
Oct 2019
UK Power Networks, Eastern Power Networks and South Eastern Power Networks
Maxi Faridi
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Network Innovation Allowance
ED - Network improvements and system operability, ED - Safety and health and environment
Conductors, Health and Safety, Maintenance & Inspection and Overhead Lines
Investigation and trial of the following technologies to detect low hanging/fallen overhead line conductors:
  • The potential use of high impedance earth fault protection that is recently commercially available for protection purposes.

  • Detection through implementing greater sensitivity of Sensitive Earth Fault (SEF) settings on existing sites measurements over time using check currents to avoid protection maloperation.

  • The use of mechanical sensors to detect broken and low hanging conductors.

All the above activities will be investigated to determine whether there is likely to be an innovative solution that can be further developed to provide a comprehensive and reliable detection method for deployment on distribution networks.

Develop and prove the feasibility of system or combination of systems that can be deployed on the UK Power Networks overhead distribution network in areas where fallen or low hanging conductors are likely to cause the greatest hazard to the general public and other stakeholders.

The development of a system or systems that fully meets UK Power Networks’ requirements and fulfils all the project’s objectives.