| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technique for improving recovery efficiency of regenerative power from electric motors. <P>SOLUTION: A drive control circuit 200 of electric motors is provided with: H bridge circuits 400A, 400B; a regeneration circuit 500; a control signal generation circuit 300; and first reverse blocking diodes 210A, 210B provided between a power input terminal of the H bridge circuit and a power terminal of a power circuit. The regeneration circuit 500 is connected to a cathode terminal of the first reverse blocking diodes 210A, 210B. <P>COPYRIGHT: (C)2011,JPO&INPIT |
