Diesel engine driven generator, diesel energy into electricity, according to the different purposes, can be divided into land use diesel generators and diesel generator sets; if the brand is different, can be divided into domestic and imported diesel generator diesel generator; according to different rotating speed, can be divided into low high speed turbine and generator.
The diesel engine drives the generator to turn the energy of the diesel into electrical energy. In the diesel engine cylinder, the clean air filtered by the air filter is mixed with the high-pressure atomized diesel ejected from the fuel injector, and the volume is reduced and the temperature rises rapidly when the piston goes upward, so as to achieve the ignition point of diesel fuel. The diesel fuel is ignited, the mixture of gas burns sharply, the volume expands rapidly, pushing the piston down, which is called work.
Each cylinder is done in sequence in a certain order, and the thrust on the piston passes through the connecting rod into the force that drives the crankshaft to rotate, thus driving the crankshaft to rotate. The coaxial brushless synchronous alternator and the diesel engine crankshaft are installed in a coaxial way, so that the rotor of the generator can be driven by the rotation of the diesel engine. By using the principle of electromagnetic induction, the generator will output the induced electromotive force and generate the current through the closed load loop. The basic principle of the generator set is described here only. To get the available and stable power output, a series of diesel and generator control, protective devices and circuits are needed.
A common type of main diesel generator by the diesel engine, generator and control system composed of three parts, diesel engine and generator has two connections, a flexible connection, by coupling the two parts are jointed together, the rigid connection of power machine steel connecting piece and is connected to the diesel engine flywheel with high strength bolts, the diesel generator set market using rigid connection some more, after a diesel engine and a generator connected are mounted on a common chassis with a variety of sensors, and then play a protective role, such as the temperature sensor, through the sensors, directly to the operation state of the diesel engine is displayed to the operator, but with these sensors, you can set a limit, when reach or exceed this limit when the control system will alarm in advance, this time if The operator did not take measures, and the control system would automatically stop the unit, and the diesel generator set this way to protect itself.
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