Travel driving apparatus of vehicle

A travel driving apparatus of a vehicle, comprising:

• a first electrical motor for driving either one of a front wheel and a rear wheel of the vehicle;
• a transformer for transforming voltage of power supplied from a battery mounted on the vehicle and supplying power to the first electrical motor, wherein maximum output power is limited based on a temperature condition;
• a second electrical motor for driving the other one of the front and rear wheels of the vehicle, the second electrical motor being supplied with power from the battery not via the transformer;
• an internal combustion engine for driving a generator mounted on the vehicle;
• a required driving-torque computing section for computing a required travel driving torque of the vehicle;
• and
• a distribution ratio computing section for setting a distribution ratio by which the required travel driving torque is distributed into a travel driving torque of the front wheel and a travel driving torque of the rear wheel based on the maximum output power of the transformer when the vehicle is travelling with the internal combustion engine being stopped.