| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress the reduction of the drive torque of a step motor while reducing noise caused by the drive of the step motor. <P>SOLUTION: A fuel cell system 1 includes a fuel cell 10, a supply means 2 for supplying reaction gas to the fuel cell 10, a pressure regulator 26 for regulating the pressure of the reaction gas supplied to the fuel cell 10, a step motor 27 for driving the pressure regulator 26, and a control means 4 for controlling the drive of the step motor 27. The fuel cell system 1 is configured so that the control means 4 lowers a drive voltage and decelerates a driving speed of the step motor 27 compared with those during normal operation when the fuel cell system is in idle operation. <P>COPYRIGHT: (C)2009,JPO&INPIT |
