ELECTRICITY STORAGE SYSTEM AND CONTROL DEVICE

摘要

Provided is an electricity storage system (100) equipped with: an electricity storage device (30); a charge/discharge switch device (60) arranged so as to be connected to the electricity storage device (30); a control block (80), which is a charge/discharge control device that controls charging from a power supply and discharging from the electricity storage device (30) to an external load; and an electricity storage device breaker (50), which is provided between the electricity storage device (30) and the charge/discharge switch (60) and is equipped with a transmission/reception function, and which breaks the connection with respect to the electricity storage device (30) in response to the detection of a fault with the electricity storage device (30) or in response to a command from the control block (80), and notifies the control block (80) of the breaking of the connection. In addition to a software disconnect command unit (162), the control block (80) has a hardware disconnect command unit (164).