| 摘要 |
<P>PROBLEM TO BE SOLVED: To attain a constitution which enables electric power to be simultaneously supplied to a plurality of loads without causing an increase in the size of a device and a cost increase. <P>SOLUTION: The AC converter, which converts an AC power of a plurality of phases to a different AC power of a different voltage and frequency to be supplied to loads, includes switch groups comprising a plurality of switches for converting an AC power of the plurality of phases to a different AC power of a different voltage and frequency, a changeover switch for switching the output from the switch groups to a plurality of loads, and a control unit for controlling the switch groups and the changeover switch so that the voltage and the frequency to be supplied to the plurality of loads becomes a preset value respectively. <P>COPYRIGHT: (C)2009,JPO&INPIT |
