The mobile centers are transformer centers which are ready for power all the time with inlet and outlet cable connection, fully-equipped with switching and control device, prefabricate, movable. This is huge power transported easily.
When do we need mobile centers?
Construction sites (tunnels, highways) have feature of easy to use. It is used when auxiliary transformer does not exist and there is icing problem in transportation. It is used in cases of natural disaster as an emergency power when needed in the disaster area, substations need to be disabled in some the periods such as maintenance repair, short-term energy production of a few months.