Patent ID: 7847521

Claim:
A power supply system for a vehicle comprising: a power storage device; an input port that receives electric power supplied from a source external to the vehicle; first and second rotating electrical machines that function as rotating electrical machines driven by electric power supplied from the power storage device when the vehicle is running; a first charger that is operably configured to receive the electric power supplied from the source external to the vehicle and thereby charge the power storage device; a second charger that is operably configured to receive the electric power supplied from the source external to the vehicle and thereby charge the power storage device; and a control device that selects either the first or the second charger to be used for converting the electric power supplied from the source external to the vehicle into charging electric power, wherein the first charger includes the first and second rotating electrical machines, and the control device selects either the first or the second charger based on a voltage detected at the input port.