ELECTRIC POWER ROUTER ,ELECTRIC POWER NETWORK SYSTEM , ELECTRIC POWER INTERCHANGE METHOD ,AND PROGRAM FOR CONTROLLING OPERATION OF ELECTRIC POWER ROUTER

摘要

Provided is an electric power router for constructing an electric power network system in which electric power cells are asynchronously connected to each other. The electric power router is provided with a direct- current bus, an electric power conversion leg having a function for bidirectionally converting electric power, and a control unit for controlling the operation of the electric power conversion leg. The control unit controls operation of the electric power conversion leg in either a master operating mode or a designated electric power transmission/reception operating mode. The electric power conversion leg operated in the master mode compensates for a deficit in electric power using electric power from a connected peer when the voltage of the direct current bus is below a rated value and sends excess electric power to a connected peer when the voltage of the direct- current bus is above the rated value. The electric power conversion leg operated in the designated electric power transmission/reception mode transmits designated electric power to a connected peer or receives designated electric power from a connected peer in accordance with a designation from a management server. The control unit places at least one electric power conversion leg in the master mode during action of the electric power router.