| 摘要 |
In the present invention, after the initial setting of the FC entry target pressure, the FC entry target pressure is maintained at this initial-setting value until the concentration of impurities in the gas supplied to the anode in the fuel cell falls below a certain value. This initial-setting value is set to a pressure higher than the FC entry target pressure set in response to the FC electric current during normal power generation. If the concentration of impurities in the gas supplied to the anode in the fuel cell has fallen below the certain value, then the FC entry target pressure is sought using a map showing the relationship between the FC electric current detected in step S5 and the entry target pressure set in response to the output required for the fuel cell.
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