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What is the working principle of diesel generator

MV switchgear

Working principle of diesel generator:
The diesel engine drives the generator to turn the diesel energy into electrical energy.
In the cylinder of the diesel engine, the clean air filtered by the air cleaner is fully mixed with the high-pressure atomized diesel fuel sprayed from the fuel injection nozzle. Under the upward extrusion of the piston, the volume shrinks and the temperature rises rapidly, reaching the ignition point of the diesel fuel. The diesel is ignited, the mixed gas burns violently, the volume expands rapidly, pushing the piston down, which is called ‘work’. Each cylinder works sequentially in a certain order, and the thrust acting on the piston becomes a force that pushes the crankshaft through the connecting rod, thereby driving the crankshaft to rotate. 

By installing the brushless synchronous alternator coaxially with the crankshaft of the diesel engine, you can use the rotation of the diesel engine to drive the rotor of the generator. Using the principle of electromagnetic induction', the generator will output an induced electromotive force, and a closed load loop can generate current. 


Only the most basic working principle of the generator set is described here. To obtain a usable and stable power output, a series of diesel engine and generator control, protection devices, and circuits are also required. 

 

Our switchgear, which is widely used in power plants, can be used with diesel generator.

Date:2020-03-20 09:35

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