| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a two-power source system having less output voltage fluctuation due to fluctuation of load power. <P>SOLUTION: A series converter 10 obtains an output voltage Vout of the two-power source system by using a secondary battery 2 to add a differential voltage between the voltage of a fuel cell 1 and a required target output voltage Vout* to the voltage of the fuel cell 1. A control circuit 30 controls the series converter 10 such that the output voltage Vout is equal to the target output voltage Vout*. The control circuit 30 also controls a parallel converter 20 provided in parallel with the secondary battery 2 such that fluctuation of current in the fuel cell 1 is compensated in response to variation of load power. <P>COPYRIGHT: (C)2010,JPO&INPIT |
