| 摘要 |
<P>PROBLEM TO BE SOLVED: To materialize an idling stop system at low cost, concerning a drive circuit for a rotary electric machine such as a motor generator which is mounted on a vehicle capable of preventing global warming or saving resources, by stopping the engine of the vehicle as far as possible at idling. <P>SOLUTION: An inverter 3100 includes a power circuit 3118 which controls the phase of a current supplied to a motor generator 3000, a stator current control circuit 3116, a field current driving circuit 3114, and a protective circuit 3112. The power circuit 3118 includes a MOS which controls the phase, and a surge absorbing circuit which is provided between the gate and the drain of the MOS. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
