| 摘要 |
PURPOSE:To allow the transfer to load operating state without stopping a plant at a fuel cell failure by providing a means for separating a generating means of fuel cell failure information from a failed fuel cell and operating the plant only by normal fuel cells. CONSTITUTION:When any abnormality is generated in a fuel cell 7, the failure signal of the cell 7 is detected by a fuel cell judging means 23, and when the unusability is judged by an operator, the failure signal of the cell 7 is transmitted from the means 23 to a cell output bypass means 26. Thus, a switch signal is outputted to bypass switches 27, 28 corresponding to the cell 7 to bypass the cell output of the cell 7 in which the abnormality is generated, and the cell output of the whole plant is obtained only from normal fuel cells 8, 9. By this operation, the supply of fuel and air to the cell 7 is interrupted, and the cell output is bypassed and separated from the operation of the plant. Thus, the maintenance of the failed fuel cell can be performed while continuously operating the plant only with the normal fuel cells. |
