| 摘要 |
A control device ( 30 ) generates, upon receiving an instruction to start engine (ENG) while drive wheels of a hybrid vehicle are driven by a motor generator (MG 2 ), a signal (PWMC) to output the signal to a voltage step-up converter ( 12 ), and thereby drives and controls the voltage step-up converter ( 12 ) to step up a DC voltage (Vb) that is output from a battery (B) to a maximum voltage (Vmax) of a motor drive apparatus ( 100 ). Then, the control device ( 30 ) generates, when an output voltage (Vm) of the voltage step-up converter ( 12 ) reaches the maximum voltage (Vmax), a signal (PWMI 1 ) to output the generated signal to an inverter ( 14 ). Accordingly, the inverter ( 14 ) is driven and controlled to drive motor generator (MG 1 ) in powering mode.
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