APPARATUS AND METHOD FOR MANAGING POWER OF ELECTRIC POWER SYSTEM CONNECTED WITH DISTRIBUTED GENERATION

摘要

The present invention relates to a power management apparatus and method for a power system to which a distributed power source is connected and includes a plurality of power conversion apparatuses connected in parallel with a power system, A plurality of energy storage devices for storing electric power or supplying the stored electric power to the electric power system through the electric power conversion device, and a plurality of energy storage devices connected to the electric power conversion device when a failure is detected in one of the plurality of electric power conversion devices And a control unit for controlling opening and closing operations of the switches provided between the power conversion apparatus and the energy storage apparatus so that the energy storage apparatus is connected to any one of the nearby power conversion apparatuses.