| 摘要 |
PROBLEM TO BE SOLVED: To provide a power supply system in which a control for setting the role of master power supply and slave power supply, for a plurality of power conditioners for EV, can be performed with a simple logic when the storage batteries of a plurality of electric cars are used as a distributed power supply in a micro grid.SOLUTION: A power supply system using each storage battery of a plurality of electric cars as a distributed power supply in a facility includes a charge and discharge station for controlling charge and discharge between each storage battery and a power system in the facility connected with a load, a master power supply providing an ancillary service for the charge and discharge station connected with the power system in the facility when power supply from a commercial system is stopped, and a micro grid control unit for starting power supply from the master power supply and the charge and discharge station to the power system in the facility, upon stoppage of power supply from the commercial system. |
