Speaking of standby diesel generators, it is to "Maintain an army for a thousand days to use it for an hour." Therefore, most of the spare diesel generator sets are spared after being purchased. If the mains supply is normal, the diesel-diesel generator set is basically unused and is in a long-term idle state.
The Harm of Generator Loss of Magnetic Field.When the degree of loss of magnetic field is serious, the generator and steam turbine rotor will be overspeed immediately if the protection is not operated in time, and the consequences will be unthinkable.
The piston generator top clearance is too large. If the diesel engine is overhauled, the diesel engine piston top clearance is not checked and adjusted in strict accordance with the requirements, or the excessively thick diesel generator cylinder head gasket is selected to make the piston top clearance larger, which will increase the space of the diesel engine combustion chamber. This directly affects the compression ratio of the diesel generator and thus the cylinder pressure.
During the operation of the generator, there is energy consumption. These energies become heat energy. If no cooling measures are taken, the temperature of the rotor, stator and other components will rise, which will lead to aging of the insulation winding, the output will drop, and even burn the motor. .
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