| 摘要 |
A method for operating a internal combustion power machine system (10), wherein the internal combustion power machine system (10) comprises at least two internal combustion power machines (11, 12), in which fuel can be combusted subject to forming exhaust gas, and an exhaust gas after-treatment system (13) that is common to the at least two internal combustion power machines (11, 12), in which the exhaust gas of the internal combustion power machines (11, 12) can be subjected to an exhaust gas after-treatment, wherein downstream of at least one of the internal combustion power machines (11, 12), which are assigned a common exhaust gas after-treatment system (13), and upstream of the common exhaust gas after-treatment system (13) a shut-off device (14, 18) is arranged which in particular when the respective internal combustion power machine (11, 12) is passive, is closed to avoid exhaust gas backflow from at least one other running internal combustion power machine (11, 12) in the direction of the respective passive internal combustion power machine (11, 12), wherein with the help of at least one sensor (16, 19) a gas composition and/or a gas temperature downstream of at least one passive internal combustion power machine (11, 12) and upstream of the respective closed shut-off device (14, 18) is determined, and wherein dependent on this it is checked if there is exhaust gas backflow in the direction of the respective passive machine (11, 12) despite closed shut-off device (14, 18). |
