ABB is a pioneer in developing gas insulated substations. In the year 1967, ABB delivered the first gas insulated substation in the world. Since that time, ABB has delivered more than 10.000 high voltage gas insulated switchgear bays.
The use of SF6 gas as an insulating medium in switchgear reduces the clearance distance between active and non-active parts of a switchgear facilitating the following advantages of gas insulated applications compared to air insulated applications:
- Less space requirements - especially in congested city areas
- Less sensitivity to pollution, as well as salt, sand or even large amounts of snow
- Less operation & maintenance costs
More than 35 years experience in building turnkey gas insulated substations around the world has given ABB the expertise to handle all kinds of challenges in the construction of indoor and outdoor gas insulated substations without limitation due to site conditions or voltage levels.