NIA SSEN 0042: Feasibility of Compressed Dry Air 33kV Insulated Switchgear

Key activities

The environmental impact of Sulphur Hexafluoride (SF6) means that its use in the industry is becoming increasingly regulated and restricted. SSEN has more than 10,000 items of switchgear that utilise SF6 for both insulation and arc interruption. There are a variety of environmental implications associated with managing equipment containing SF6. This project will determine the viability of utilising dry air as an SF6 alternative.

Expected outcomes

This project will produce an appraising report of new SF6-free switchgear technologies, inclusive of risk assessments, training requirements, operation and maintenance requirements, ensuring that any alternative is both safe for our staff to operate and maintains network integrity. The report will form part of the road map to deliver SF6-free Switchgear into business as usual thus aiding the reduction in our operational Carbon Footprint.

Funding

NIA £66,700

Start/end date

December 2019 – June 2020

Project Manager

Rob Britton