Drive device
AssigneeToyota Jidosha Kabushiki Kaisha
InventorTomoko OBA
Life of this patent
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Abstract
There is provided a drive device configured to impose a more appropriate limitation on driving of a motor. The drive device comprises a motor configured to generate an induced voltage according to a rotation speed, and an inverter configured to drive the motor. Upon satisfaction of a predetermined condition to impose a limitation on driving of the motor, the drive device performs a drive limitation that imposes a larger limitation on driving of the motor when the induced voltage of the motor is higher than an input voltage that is input from a power storage device side to the inverter, compared with a limitation imposed when the induced voltage of the motor is equal to or lower than the input voltage.
Claims3
A drive device, comprising:
- a motor configured to generate an induced voltage according to a rotation speed;
- an inverter configured to drive the motor;
- a power storage device configured to supply electric power to the motor via the inverter;
- and
- a control device configured to control the inverter,
- wherein upon satisfaction of a predetermined condition to impose a limitation on driving of the motor, the control device performs a drive limitation that imposes a larger limitation on driving of the motor when the induced voltage of the motor is higher than an input voltage that is input from the power storage device side to the inverter, compared with a limitation imposed when the induced voltage of the motor is equal to or lower than the input voltage.
Dependencies are inferred from the claim text.