| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce expenses for constitution and to reduce size. <P>SOLUTION: A power source device 10 includes a first line L1, a second line L2 and a third line L3 each having different potential, a battery circuit 10a in which a fuel cll stack 11 and a battery 12 are connected in series, and a first DC-DC converter 13, the both sides of the battery circuit 10a are connected to the first line L1 and the third line L3, the connection point of the fuel cell stack 11 and the battery 12 is connected to the second line L2, the primary side of the first DC-DC converter 13 is connected to the second line L2 and the third line L3, and the secondary side is connected to the first line L1 and the third line L3, and when a driving motor inverter 15 connected to the first line L1 and the third line L3 is regenerated, the switching duty of the first DC-DC converter 13 is feedback-controlled so that the output current IFC of the fuel cell stack 11 is conformed to a target current which is zero or a positive value. <P>COPYRIGHT: (C)2010,JPO&INPIT |
