| 摘要 |
<P>PROBLEM TO BE SOLVED: To realize a motor driving device that has an AC/DC converter for converting alternating current power from a power supply into direct current power, a DC/AC converter for converting the direct current power into the alternating current power, and an energy storage part for storing or outputting the direct current power, and that can efficiently restrain a peak value of the power of the power supply with high energy utilization efficiency of the energy storage part. <P>SOLUTION: A motor driving device 1 comprises an AC/DC converter 11 for converting alternating current power from a power supply into direct current power, a DC/AC converter 12 for mutually converting the direct current power and the alternating current power, a DC link part 13 connecting respective direct current sides of the AC/DC converter 11 and the DC/AC converter 12, and giving and receiving the direct current power, an energy storage part 14 having at least one capacitor storage part 14A and at least one flywheel storage part 14B storing or supplying the direct current power, and an energy control part 15 for controlling the energy storage part 14 to store or supply the direct current power. <P>COPYRIGHT: (C)2013,JPO&INPIT |
