Aside from shorter cable runs, control and protection is very similar to AIS substations. Each bay of the GIS is equipped with a control cubicle containing all the equipment needed for control, signaling and supervision. A communication link to the network control center enables the remote control of the entire substation. Interlocks provide protection for service staff when carrying out inspections and maintenance. Gas-insulated switchgear GIS (http://new.abb.com/high-voltage/gis ) Air-insulated switchgear AIS (http://new.abb.com/high-voltage/AIS) Substation automation protection and control (http://new.abb.com/substation-automation)
High Voltage Products
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