Method for judging diesel generator set failure

Method for judging diesel generator set failure

It is necessary to judge the fault from the overall analysis and troubleshooting. Diesel generator sets are closely related to each system, components, and parts. Failure of one component or one system or one component necessarily involves components or parts of other systems. Therefore, a fault phenomenon cannot be viewed in isolation, and the cause of the fault should be analyzed from the whole and the fault should be eliminated in time.

1, partition method

The partition method is to stop the single cylinder operation of the diesel engine or stop the injection of several or even all cylinders one by one, and observe the change of the working state of the diesel engine before and after stopping the injection. This method is used to check the operation of each cylinder, especially to check the exhaust color of each cylinder.

2, comparison method

The comparative method is more common. After a diesel generator set fails, if there is any doubt about a component or system, you can replace a good quality component or a normal system to see if the fault is eliminated. If the fault disappears, it is proven that the fault occurred in this component or system.

3. Verification method

The verification method is a tentative adjustment or disassembly based on the known cause of the failure to check the correctness of the past analysis to find out the fault.

4, instrumentation inspection method

Instrumentation inspection refers to the use of instruments or meters to test diesel generator sets, identify hidden troubles, and understand the performance and condition of the unit.

In short, for different fault phenomena to be flexible to use different methods of troubleshooting, we must start from the working principle and structure of the diesel generator set to find a solution to the problem. The following is an analysis of the fault phenomena of different types of diesel generator sets. The purpose is to enable the diesel generator set operators to shorten the time for finding faults and to eliminate faults in time when they encounter the same type of fault phenomenon.

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