SUBSTATION

摘要

The present invention relates to a substation comprising an air-insulated high-voltage switchgear station (9-13), transformer means (5, 6) and a medium-voltage switchgear station (4). According to the invention the air-insulated high-voltage switchgear station (9-13) is arranged inside a building. The invention also relates to a method of building or converting a substation in which this is enclosed in a building.