Gas insulation reduces space required by 75%

An ABB Power Technologies product story
Edited by the Engineeringtalk editorial team Mar 12, 2004

The use of ABB's GIS switchgear, rather than conventional air insulated switchgear, is enabling a new substation to be housed indoors and condensed into around one quarter of the space.

ABB's GBP9 million project for NEDL (Northern Electric Distribution) to design and build a replacement 132kV indoor substation at Norton, near Stockton-on-Tees, has reached an important milestone with the successful installation of 20 bays of state-of-the-art compact ELK - 04 gas insulated (GIS) switchgear.

The new indoor substation at Norton, which will interconnect the National Grid and NEDL's distribution network at 132kV, with eight incoming and outgoing circuits, is on target to commence operation towards the end of 2004.

It will then take over from the existing outdoor substation on the same site, which is now reaching the end of its useful life and is being replaced in order to ensure continued reliability of supply to Teeside and surrounding areas.

The use of ABB's GIS switchgear, rather than conventional air insulated switchgear (AIS), is enabling the new substation to be housed indoors and condensed into around one quarter of the space.

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