| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of using a power supply part of a server device on a load condition in which an efficiency always becomes high in order to reduce an electrical power of a commercial power supply when it is requested that the electrical power of the commercial power supply which becomes a burden to an electric company be reduced for the purpose of cost reduction and CO2 reduction also in the server device. <P>SOLUTION: An electronic device comprises two input terminals and a power supply part provided with: a first power circuit connected to a first input terminal; a second power circuit connected to a second input terminal 21; a detection part connected to a load; a changeover part to change a connection state between the first power circuit and the detection part and a connection state between the second power circuit and the detection part; and a control part which changes connection states of the changeover part based on a detection result of the detection part. The object can be realized by using the electronic device and connecting a power supply device with natural-power-source conversion carried out to at least one of the first input terminal or the second input terminal. <P>COPYRIGHT: (C)2012,JPO&INPIT |
