| 摘要 |
PROBLEM TO BE SOLVED: To reduce loss of energy.SOLUTION: In a control method of a switch circuit having n(n is a natural number of 3 or more) switches for connecting n power storage devices and n coils connected in series, respectively, switches corresponding to k(k is a natural number of 1<k<n) power storage devices, out of the n power storage devices excepting those having the maximum potential difference, are conducted. |
