| 摘要 |
In a chargeable-and-dischargeable power supply system, a plurality of battery cell sections (C1,C2,---,Cn) are connected in series with one another, a plurality of cell state detecting sections (CC1,CC2,---,CCn) are installed for the respective battery cell sections (C1,C2,---,Cn) and configured to detect a charge state in the respectively corresponding battery cell sections (C1,C2,---,Cn), a power control section (BC) is configured to carry out a power supply control for the battery cell sections (C1,C2,---,Cn), a first electrical isolation section (IF1) is installed in a first signal route from the power control section (BC) to one of the cell state detecting sections (CC1,CC2,---,CCn) which is for a highest potential positioned battery cell section, and a second electrical isolation section (IF2) is installed in a second signal route from one of the cell state detecting sections (CC1,CC2,---,CCn) which is for a lowest potential positioned battery cell section to the power control section (BC).
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