| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a DC power supply device of high reliability by converting an AC input into DC power to be supplied to a load. <P>SOLUTION: The DC power supply device is provided with an AC/DC converter 1 inputting AC power converted into DC power to output it, a DC/DC converter 2 inputting the DC power while controlling the input DC power so as to obtain a level of output voltage equal to that of the voltage used in a load 5 to be supplied to the load 5, a DC converter 3 connected to the input of the DC/DC converter 2, and a DC power accumulating means 4 supplying the power to the DC/DC converter 2 through the DC converter 3. <P>COPYRIGHT: (C)2004,JPO</p> |
