| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress the performance degradation of a power output unit due to the temperature rise of a motor by more properly managing the temperature of the motor. <P>SOLUTION: In a hybrid car 20, when an Lo position is selected through a sub-shift lever 88, and the transmission gear ratio of a transfer 34 is set as a low speed side transmission gear ratio, the cooling of a motor MG2 using a cooling lubricating system 25 is executed regardless of the establishment of temperature conditions in a step S120 under the control of a hybrid ECU 70 (steps S130, S140). Thus, the cooling of the motor MG2 is executed regardless of the establishment of the temperature conditions when setting the low speed side transmission gear ratio is executed to suppress the temperature rise of the motor MG2 so that frequency output restriction can be prevented from being performed even when the motor MG 2 is operated to output high torque by low rotation according to the setting of the low speed side transmission gear ratio. <P>COPYRIGHT: (C)2008,JPO&INPIT |
