1. After the diesel generator set's diesel engine is started at a low temperature, the speed increase should be as slow as possible. After the diesel engine is started at a low temperature, there must be a process to increase the oil pressure. In this process, the moving parts of the diesel engine are not sufficiently lubricated. If the speed is increased rapidly, the bearing, the cylinder liner, and other components may be lubricated. The wear of the components is exacerbated, and direct loading can also cause damage to the combustion chamber and other components.