Patent ID: 8049367
Filing Date: 2011-11-01
Classification: B60L,Y02T

Abstract:
1. A power supply system for supplying electric power to a load device, said power supply system comprising: a power storage mechanism configured to be chargeable and dischargeable; and a control device configured to activate said power supply system for executing one of a first control mode and a second control mode when said power supply system is set to said one of the first control mode and the second control mode, said first control mode being executed for supplying and receiving electric power between said power storage mechanism and said load device, and said second control mode being executed for externally charging said power storage mechanism with electric power received from an external power supply, said power storage mechanism including a plurality of power storage units each being chargeable and dischargeable and connected in parallel to said load device, said control device including: said power storage unit selection unit reading from said memory unit information about a power storage unit used first after preceding activation of said power supply system and, based on said read information, selecting a power storage unit to be used first after present activation of said power supply system, and said control device further including an update unit configured to update, when said power supply system has been activated for executing said first control mode, said information about the power storage unit used first after the preceding activation of said power supply system as stored in said memory unit, to information about a power storage unit used first after the present activation of said power supply system, and to maintain, when said power supply system has been activated for executing said second control mode, said information about the power storage unit used first after the preceding activation of said power supply system as stored in said memory unit.