| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a power storage system for enabling a user to easily and surely confirm a connection state of an electric circuit through which electricity is input/output to/from a storage battery.SOLUTION: A power storage system 1 comprises: a battery 13; a charging circuit unit 10 for performing control of charging the battery 13; output power conversion units (inverter circuit unit 30 and DC/DC circuit unit 11) for converting power supplied from the charging circuit unit 10 or the battery 13; a breaker 7 installed between the charging circuit unit 10 and output power conversion units and the battery 13; a switch 12 installed between the charging circuit unit 10 and the output power conversion units and battery 13; a battery voltage detection unit 16 installed between the charging circuit unit 10 and output power conversion units and the breaker 7; a main control unit 14 for determining an abnormal state of the battery 13 on the basis of voltage of the battery 13 acquired from the battery voltage detection unit 16 in the case of periodically making the switch 12 be in an open state; and a display unit 17 for reporting the abnormal state.</p> |
