Patent ID: 7270902

Claim:
An apparatus for controlling an electric power from a fuel cell, comprising: target electric power operating means for determining a target electric power of the fuel cell; running target point operating means for determining targets of both pressure and mass flow rate of gas to be supplied to the fuel cell based on the target electric power determined by the target electric power operating means; running point controlling means for controlling a running point of the fuel cell based on the gas pressure and mass flow rate targets determined by the running target point operating means; running state detecting means for detecting a running state of the fuel cell from the running point determined by the running point controlling means; producible output power operating means for determining a producible output power corresponding to the maximum output power to be produced by the fuel cell by defining an output limit in the producible output power operating means as a minimum value of a plurality of upper limits being operated from plural running states detected in the running state detecting means; and commanded output power operating means for determining a commanded output power to produce the electric power from the fuel cell by employing a minimum value of the producible output power determined by the producible output power operating means and the target electric power determined by the target electric power operating means.