Analyze diesel generator set start conditions and power processes?

The inspection of the diesel generator sets is the basis for ensuring normal work. Whether the diesel engine can start normally, it is the key to ensuring normal work. The following is combined with diesel start conditions, and introduce factors and precautions affecting the starting of diesel engine.

1. Conditions of diesel engine start
When the diesel engine is started, there must be sufficient fresh air in the cylinder. The fuel system works fine, and the cylinder must also have a high temperature. At this time, the injector is sprayed into the combustion chamber in the fog, the diesel engine can start normally. . However, the increase in the internal temperature of the cylinder must have a plurality of compression of the piston in the cylinder to increase the temperature in the cylinder.
When the diesel engine is low in low speed, the temperature and compressive force in the cylinder is low, and the air leaks inside the combustion chamber are more, the motion speed of the injective pump is slow, and the injector cannot be as specified. The fog is invested against the combustion chamber. If the external ambient temperature is low, the low start speed of the diesel engine must be improved to achieve normal startup requirements.

2, diesel engine starting power process analysis
The task of the diesel engine starting device is to give a torque of the diesel crankshaft, and the spin of the crankshaft reaches the diesel engine, and the splitter of the crankshaft determines the torque of the starting device and the resistance moment of the diesel engine itself.
The moment of the starting device determines the power of the battery, capacity, and starter. If the voltage or capacity of the battery does not meet the specified technical requirements, the diesel engine cannot be started; if the power of the starter is too small, the diesel engine is not allowed to start normally.
The resistance torque at the start of the diesel engine is mainly determined in the viscosity of the oil, the frictional resistance of the diesel engine operation member and the gas compressive force inside the cylinder. So, in different seasons, you should use different grades of diesel oil. Starting the diesel engine in the winter, it is necessary to perform decompression start to reduce the starting resistance of the diesel engine.

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