High Voltage Switchgear Wiring Diagram. As the voltage level is high the arcing produced during switching operation is also very high. Circuit configurations for hv and mv switchgear installations on photo.
Single line and three line diagrams f. Low voltage one line. This means that all high voltage parts are housed in the encapsulated main circuit enclosure and are inaccessible from the outside.
The medium voltage switchgear described in this book has been.
Low voltage one line. The relevant standards for switchgear over 1 kv and their switching devices can be found in the following table. 11kv vcb panel wiring diagram. Next downstream part of the lv distribution board is sub incomer.