Patent ID: 11967840
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 5:
6. The power supply system according to claim 1, wherein:
the batteries included in the U-phase battery string, the V-phase battery string, and the W-phase battery string are charged with power from the external power supply; and
the control device is configured to control the alternating-current sweep unit in such a manner that when a battery included in the U-phase battery string, the V-phase battery string, and the W-phase battery string is a fully charged battery and the multiple battery circuit modules includes a battery circuit module including the fully charged battery, the first switch of the battery circuit module including the fully charged battery is switched to the ON state and the second switch of the battery circuit module including the fully charged battery is switched to the OFF state to disconnect the battery circuit module including the fully charged battery from a series connection.