ABB will replace an existing outdoor 275 kilovolt (kV) substation now nearing the end of its service-life with an indoor substation based on compact, state-of-the-art, gas insulated switchgear (GIS).

• ABB将用基于体积较小的顶级的气体绝缘接电开关装置（GIS）的室内变电站替换现有的服务年限将到的室外275千伏特的变电站。