Patent ID: 8963482
Filing Date: 2015-02-24
Classification: B60L,H02J,Y02T

Abstract:
1. A power supply apparatus for an electrically powered vehicle, comprising: a main power storage device; a sub power storage device outputting a voltage lower than that of said main power storage device; a charging device operative in external charging for performing first power conversion to receive power from an external power supply and convert the received power into power charged to said main power storage device; and a first switch connected between a predetermined node on an electric conduction path of said charging device in said first power conversion and said sub power storage device, and opened in said external charging, said charging device being configured such that when said external charging is not performed and said first switch is closed said charging device performs second power conversion to receive power from said main power storage device and convert the received power via at least a portion of said electric conduction path into power to be charged to said sub power storage device and said charging device outputs the converted power on said predetermined node.