| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power supply system which improves the reliability of the power supply. <P>SOLUTION: The power supply system comprises an AC power distribution network, a DC power distribution network, a fuel cell unit for AC use, a fuel cell unit for DC use, a network change-over switch for switching a plurality of the respective fuel cells to be made in-line whether to which of the fuel cell unit for AC use or that for DC use, and a fuel cell change-over part for switching the network change-over switch, in such a manner that the concerned fuel cell provided in the fuel cell unit for DC use serves as the fuel cell of the fuel cell unit for AC use and that the concerned fuel cell provided in the fuel cell unit for AC use serves as the fuel cell of the fuel cell unit for DC use, when the reliability any of the fuel cell provided in the fuel cell unit for DC use is lowered than the reliability of any of the fuel cells provided in the fuel cell unit for AC use. <P>COPYRIGHT: (C)2007,JPO&INPIT |
