| 摘要 |
PROBLEM TO BE SOLVED: To improve the reliability of a storage battery system composed of a plurality of battery modules.SOLUTION: The storage battery system includes: a plurality of storage battery groups each outputting a predetermined voltage in a charge mode; an interconnection device, connected in parallel from the plurality of storage battery groups to an output system, for separating a designated storage battery group from the output system according to a control instruction; a plurality of storage battery monitor units, respectively disposed corresponding to the plurality of storage battery groups, for monitoring each state to judge the presence or absence of abnormality and for designating an abnormal storage battery group to issue a control instruction to the interconnection device, to disconnect the abnormal storage battery group from the output system; and a plurality of system control units connected in parallel with the storage battery monitor units and capable of independently controlling the storage battery monitor units. |
