| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel cell system capable of controlling an action of an air bypass valve optimally according to operation status of a fuel cell. <P>SOLUTION: An ECU starts a processing of learning a start point, when it is determined that there comes a timing of returning an opening ratio of an air bypass valve to 0% during rapid warm up B (step S100 → step S200). In a case of an indication of opening the air bypass valve depending on necessity of rapid warm up during carrying out the processing of learning the start point, or the like (the step S200 → step S300), the ECU gives priority to the indication, cancels the processing of learning the start point, and controls to open the air bypass valve at a predetermined timing (step S400 → step S500). Thereby, there can be prevented a problem such that faults in output of a fuel cell stack caused by an excessive air stoichiometric ratio occur, or the like. <P>COPYRIGHT: (C)2009,JPO&INPIT |
