A fuel cell system includes a fuel cell (34a), a fuel supply apparatus (42e), a flow amount detection apparatus (42c) detecting flow amount of the fuel being supplied to the fuel electrode, a control apparatus (15, 50) controlling at least the flow amount ...

To provide a fuel cell system with which degradation of fuel cells can be suppressed by avoiding the ill effects caused by bumping of water used for steam reforming during the electrical generation. The present invention is a solid oxide fuel cell system (...