| 摘要 |
PROBLEM TO BE SOLVED: To reduce a loss of a boosting converter while suppressing a current resulting from a back electromotive voltage of a rotating electric machine when stopping a switching operation of an inverter in a rotation state of the rotating electric machine.SOLUTION: A boosting operation of a boosting converter 22 is performed so that, when stopping a switching operation of an inverter 24 in a rotation state of a motor generator 14, an output voltage VH of the boosting converter 22 is lowered when a current does not flow into the motor generator 14 (S104), and the output voltage VH of the boosting converter 22 is raised until the current is stopped to flow when the current flows into the motor generator 14 (S105). |
