| 20100084206 | VEHICLE DRIVE SYSTEM - A vehicle drive system includes a battery, motor generators driving the vehicle using electric power from the battery or driven by the vehicle, a PCU integrated with the motor generators, having inverters and controlling the motor generator, cooling water cooling inverters, and oil cooling motor generators. The PCU includes a smoothing capacitor and a filter capacitor provided electrically closer to the battery than the smoothing capacitor. Here, the smoothing capacitor is cooled by the cooing water, while the filter capacitor is cooled by the oil. | 04-08-2010 |
