PD Devices Provide Link Boxes for EDF Energy Dungeness B Nuclear Power Station

Installation of Dungeness ‘B’ power plant New Link Box Surge Protection

EDF Energy own and operate eight operational nuclear reactors, strategically located across seven power plants in the UK.

Each of these power plants is subjected to a ‘Statutory Outage’ every three years.

These planned outages permits vital preventative and curative maintenance and renewals to be undertaken, therefore ensuring continued safe operation and generation.

As an important part of the 2017 outage at the Dungeness ‘B’ power plant, PD Devices Ltd were invited to supply a range of Sheath Voltage Limiter (SVL) protected Link Boxes.

Link Box

SVL Link Boxes allow the cross-linking of cable armoured sheaths, providing protection against potentially damaging overvoltage conditions. The SVL devices additionally reduce wasteful circulating currents.

PD Devices supplied four new SVL Link Boxes which were used to replace four exiting SVLs protecting the 400kV cables of generator Circuit 21.

Three more replacement PD Devices SVL Link Boxes are planned to be installed on Generator circuit 22 next year.

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