Patent attributes
According to one embodiment, a power stabilization system includes a first power converter which is connected to a power system and performs bidirectional conversion between AC power and DC power. The power stabilization system includes a plurality of battery modules each including a secondary battery. The power stabilization system includes a second power converter which is connected between the first power converter and the battery module, converts DC power from the first power converter and charges a secondary battery of the battery module, and converts electric power charged in the battery module and discharges the converted electric power to the first power converter. The power stabilization system includes a controller which controls charge or discharge of each of the plurality of battery modules in accordance with a state of the power system.
