Apr 2013
Electricity Distribution
OBYR14 UV Camera Survey
Apr 2013
Northern Powergrid
Chris Goodhand, Innovation Manager (01977 605641)
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Innovation Funding Incentive
High Voltage Technology
A circuit breakers installed on the EHV network at Tynemouth suffered a mechanical failure in its main insulator due to cracked bushings. As a result, the remainder of the installed capacity requires urgent inspection. It is extremely difficult to obtain isolations necessary to perform the inspections by traditional methods on the EHV network.

This proposal is evaluates a new technology that would allow the performance of live inspections.

Perform a trial inspection on a spare OBYR14 circuit breaker using a Daycor II UV camera. If this proves successful then carry out inspections for the rest of the fleet.