Understanding Ageing Mechanisms in XLPE Cables
UK Power Networks
UKPN Innovation Team
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Innovation Funding Incentive
High Voltage Technology
Current IEC cable standards do not have a long term corrosion tests,
because there is no scientifically proven evidence suggesting a
problem exists. This project addresses the issue and will recommend
management policies and influence cable specifications.
UK Power Networks is particularly interested in keeping water out of
cables for as long as possible because some UK design cables have
a copper wire / aluminium foil screen combination.
This project studies the performance of the materials used for cable
The main objective of this project was to quantify and to model water
uptake across the polyethylene or polyvinylchloride outer sheath of
cables, as a function of time and service conditions. The project
aimed to establish life expectancies of different cable sheath