VEHICLE POWER CONVERSION APPARATUS AND METHOD

A vehicle power conversion apparatus is provided to reduce an overall system size by integrating a motor controller which generates power and a power supply apparatus which converts the power. The vehicle power conversion apparatus includes a driving motor which is connected to an engine and a power converter which selectively converts power in a plurality of modes to generate the power related to an operation of the driving motor. A first battery supplies the power for the conversion or receives the converted power.