UK Power Networks
UKPN Innovation Team
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Innovation Funding Incentive
LV & 11kV Networks
This project sought to investigate the development of a vacuum bolton
type tap-changer based on the existing AT type design, a bolt-on
model widely used within UKPN with many advantages
over the in-tank type.
The project scope covered the design, manufacture, KEMA type
testing and fitting of a prototype on a new transformer for field service.
The project was investigating development of a bolt-on vacuum
insulated on-load tap-changer for power transformers, with a view to
addressing the issues of high maintenance requirements and safety risks
associated with of oil-insulated types.