ENERGY STORAGE UNIT, ENERGY STORAGE SYSTEM, AND ELECTRIC ENERGY STORAGE AND CONVERSION SYSTEM

Abstract

Provided is an energy storage unit 15A for an energy storage system, and the energy storage unit includes an energy storage bank 20 which is connected to a power conversion device 10, and a bank management device 50. The bank management device 50 either calculates, on the basis of a current target value Ino and a current measurement value Int of the energy storage bank 20, a current limit value Ilimit to limit an excess of a current I with respect to the current target value Ino, or calculates, on the basis of a power target value Pno and a power measurement value Pnt of the energy storage bank 20, a power limit value Plimit to limit an excess of power with respect to the power target value Pno.

CPC Classifications