| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a control device of a vehicle drive motor that can reduce the voltage stress that can be generated by switching of a switching element of an inverter according to the environment where the motor is placed while suppressing the decrease of the torque of the motor due to decrease of the drive voltage. <P>SOLUTION: The inverter 14 includes switching elements Q1-Q6, and converts the dc power from the battery 10 into the ac power and supplies it to the motor 16 by turning on/off of the switching elements Q1-Q6. The control device 20 controls the switching elements Q1-Q6, when the temperature of the motor 16 is a second temperature higher than a first temperature, by the second switching speed that is slower than the first switching speed at the first temperature. <P>COPYRIGHT: (C)2013,JPO&INPIT |
