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Electricity Transmission
Project Details
Documents
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Sep 2019
Electricity Transmission
Environmental Exposure of Overhead Lines: Data Delivery for Physical Testing
Reference:
NIA_NGTO034
Status:
Live
Start Date:
Sep 2019
End Date:
Sep 2020
Funding Licencee(s):
National Grid Electricity Transmission
Contact:
Ben Muncey
Click here to send a question to the contact.
Funding Mechanism
Network Innovation Allowance
Research Area:
ET - Network improvements and system operability
Core Technology(ies):
Asset Management, Condition Monitoring, Conductors, Modelling, Overhead Lines and Electricity Transmission Networks
Estimated Expenditure:
£829,283.00
Introduction:
One of the key factors affecting deterioration of overhead line (OHL) routes is the environmental conditions to which they are exposed. The two primary environmental factors which lead to OHL degradation are:
• Conductor wear caused by motion of conductors due to wind input
• Corrosion resulting from deposition of sulphur dioxide and chlorides (and local weather conditions)
Asset health models exist for capturing the risk to assets due to the environmental factors above. Determining correlation between the model and existing weather and condition data sets has allowed approaches to asset management to be refined, however, in order to maximise the benefit from these models, there must be confidence that predictions from the model correlate with the conditions observed on the network.
Objectives:
To produce OHL asset health data that can be verified through physical testing.