Patent ID: 8143861

Claim:
A charge control device for charging a power storage device mounted on a vehicle from a power supply outside the vehicle, the charge control device comprising: an AC rotating electric machine including a star-connected first poly-phase winding as a stator winding; an inverter connected to said star-connected first poly-phase winding and performing power conversion between said AC rotating electric machine and said power storage device; a connecting device configured to allow connection of said power supply to a neutral point of said star-connected first poly-phase winding; an inverter control unit controlling any one phase of said inverter such that electric power from said power supply applied to said neutral point by said connecting device is converted to charge said power storage device; and a rotation preventing unit configured to prevent rotation of said AC rotating electric machine at a time of charging said power storage device from said power supply, wherein said rotation preventing unit includes a braking device fixing a rotor of said AC rotating electric machine to be in a non-rotating state.