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Failure analysis of diesel generator set speed instability
Update:2018-12-15 15:51 Tags:
Failure analysis of diesel generator set speed instability

The failure of diesel generator set speed or generator frequency instability is usually caused by the damage of the components of the fuel system.

① Fuel system has air, moisture, leakage, or low pressure oil circuit plugging phenomenon, easy to make the supply of fuel when the break, the time continued or the oil is not smooth, resulting in the diesel generator set speed instability.

② Governor Fault. The speed instability of the diesel generator set is easily caused by the weakening of the speed spring in the governor of the diesel generator and the damage of the unidirectional thrust bearing.

③ fuel injection pump failure. Fuel injection pump each cylinder to spend a large amount of uneven, internal plunger has stuck phenomenon, oil regulation gear rod movement is not flexible, oil control sleeve fixing screws loose, etc., will make diesel power.
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