| 摘要 |
In a chargeable-and-dischargeable power supply system, a plurality of battery cell sections (C 1, C 2, - - - , Cn) are connected in series with one another, a plurality of cell state detecting sections (CC 1, CC 2, - - - , CCn) are installed for the respective battery cell sections and configured to detect a charge state in the respectively corresponding battery cell sections, a power control section (BC) is configured to carry out a power supply control for the battery cell sections, a first electrical isolation section (IF 1 ) is installed in a first signal route from the power control section to one of the cell state detecting sections which is for a highest potential positioned battery cell section, and a second electrical isolation section (IF 2 ) is installed in a second signal route from one of the cell state detecting sections which is for a lowest potential positioned battery cell section to the power control section.
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