Cable Oil Leaks & Thermal Data Analysis
National Grid Electricity System Operator
National Grid TO Innovation Team
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Innovation Funding Incentive
High Voltage Technology
Oil leaks from underground cables are damaging both environmentally and
financially which impacts on the reputation of National Grid. The ability to
identify oil leaks as they develop will allow National Grid to manage and
predict leaks more effectively avoiding both damage to the environment and
unplanned unavailability of the network.
Also improved thermal ratings techniques may allow more effective use of the
transmission network, whilst avoiding overheating.
This project is to examine data currently logged by National Grid and develop
analysis methods to provide:
- An estimate of the position and magnitude of oil leaks
- Guidance on enhanced rating methods
- Techniques for the early detection of thermal anomalies and