| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an AC power supply device for a vehicle that can perform charging and discharging by connecting batteries while suppressing the loss of power conversion between motors. <P>SOLUTION: The AC power supply device for the vehicle comprises: the first motor (10); the second motor (20); a first power conversion circuit (110) that is arranged between the first motor and the second motor, and performs power conversion between AC power and AC power; a charge accumulation means (30) that can perform charging and discharging; a second power conversion circuit (120) that is arranged between the charge accumulation means and the second motor, and performs power conversion between DC power and AC power; a third power conversion circuit (130) that is arranged between the first motor and the charge accumulation means, and performs power conversion between AC power and DC power; and a power synthesizing means that synthesizes power fed to the second motor from the output power of the first power conversion circuit and the output power of the second power conversion circuit. <P>COPYRIGHT: (C)2007,JPO&INPIT |
