| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an inverter device suitable as a motor power supply system including a plurality of inverter devices each of which is actuated by connecting in parallel rectified output terminals inside the individual inverter devices. <P>SOLUTION: A motor power supply system 2 is comprised of a first inverter device 10, a second inverter device 20 and an Nth inverter device 30 of a plurality of k pieces of inverter devices (k is 2, 3, ... and N). The inverter devices 10, 20 and 30 respectively include: converter parts 11, 21 and 31 that convert a voltage applied from a commercial AC power supply 1 to a rectified voltage; reactors 13, 23 and 33 disposed as smoothing circuit parts 12, 22 and 32 for smoothing the rectified voltage; smoothing capacitors 14, 24 and 34; a series connection circuit of the reactors 15, 25 and 35; and inverter parts 16, 26 and 36 that supply power to motors 17, 27 and 37 while converting a voltage across the smoothing capacitors to an AC voltage of desired frequency and amplitude. <P>COPYRIGHT: (C)2013,JPO&INPIT |
