| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power supply device and a power supply system for a fuel cell vehicle, reducing cost required for configuration and reducing the size. <P>SOLUTION: The power supply device 10 includes: a first line L1, a second line L2, and a third line L3, each having a different electric potential from one another; a battery circuit 10a in which a fuel cell stack 11 and a battery 12 are connected in series; and a first DC-DC converter 13. Both ends of the battery circuit 10a are connected to the first line L1 and the third line L3, a primary side of the first DC-DC converter 13 is connected to the second line L2 and the third line L3, a secondary side of the first DC-DC converter 13 is connected to the first line L1 and the third line L3, the battery 12 is connected to the first and second lines L1 and L2, the fuel cell stack 11 is connected to the second and third lines L2 and L3, an air pump inverter 14 is connected to the second and third lines L2 and L3, and electric power is output from the first line L1 and the third line L3. <P>COPYRIGHT: (C)2010,JPO&INPIT |
