| 摘要 |
PROBLEM TO BE SOLVED: To provide a control system of storage battery, capable of suppressing degradation in the effective service life of a storage battery.SOLUTION: The control system of storage battery includes: a first charging mode M1 that charges system power 42 into a storage battery 11 at a predetermined charge time zone, discharges charging power into a domestic load connected with a distribution board 22 at a predetermined discharge time zone and pauses charge and discharge of the storage battery 11 during these charge and discharge time zones, and a second charging mode M2 that charges generated power of an excess solar cell array 10 during a daytime time zone into the storage battery 11, stores the excess generated power and, after the storage battery 11 is fully charged, discharges charge power into the domestic load connected with the distribution board 22 from the storage battery 11. |
