Gas-insulated 400-kV high-voltage switchgear at a substation in Abu Dhabi City

09/12/2006 | Gas-insulated 400-kV high-voltage switchgear at a substation in Abu Dhabi City. The new substation that Siemens is supplying to Dubai including for the first time switchgear for the 400-kV voltage level will be similar in appearance. With its 24 switchgear bays at 400-kV voltage level and 28 bays for 132 kV, this substation will also be the largest that Siemens has delivered to date worldwide.