| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a storage battery controller, storage battery control method, power storage system, and drive system for an electric vehicle which are capable of lengthening a battery life of an entire system having a plurality of storage battery units connected in parallel. <P>SOLUTION: A storage battery controller (20, 40) controls charge and discharge of a plurality of storage battery units (10) connected in parallel. The storage battery controller (20, 40) comprises: a deterioration degree detection part (22) for detecting the degree of deterioration of each of the plurality of storage battery units (10); a quiescent time calculation part (21) for calculating quiescent time of the storage battery unit depending on the detected degree of deterioration; and a charge/discharge control part (40) for shifting respective start time of charge or discharge of the plurality of storage battery units corresponding to the calculated quiescent time, in performing switching between the charge and discharge. <P>COPYRIGHT: (C)2013,JPO&INPIT |
