Control apparatus for rotational electric machine and driving apparatus for vehicle

A control apparatus for controlling a rotational electric machine and a driving apparatus for a vehicle that include an AC motor (4) that rotates wheels (2) and is driven by a power supplied from a battery (9), an instant variation detecting unit (150) provided in a motor controller (100) that detects a instant variation of a current or voltage of the battery (9), and a current command operating unit (110) that changes a current command to be sent to the AC motor (4) such that an internal loss of the AC motor (4) is increased by using an internal-loss-increase-use Id•Iq table (114).