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Views: 0 Author: Site Editor Publish Time: 2021-07-28 Origin: Site
A diesel generator set is a kind of power equipment that drives a synchronous generator to generate electricity with a diesel engine as the prime mover. It is a power generating device with quick start-up, convenient operation and maintenance, low investment, and strong adaptability to the environment. So what is the structure and principle of the diesel generator set? The following is a detailed introduction.
Here is the content list:
Composition structure of diesel generator set
principle
The diesel generator set is a kind of power generation equipment with diesel as the main fuel. The diesel engine is used as the motive force to drive the generator to generate electricity, and the kinetic energy is converted into electrical and thermal energy. The complete diesel generator set is mainly divided into three parts: diesel engine, generator, and controller.
Subdivided into, base, diesel engine, base fuel tank, generator set controller (playing a control role and also protecting the set), radiator (air cooling: fan; water cooling: water tank), silent box, and other components.
The diesel engine drives the generator to turn the energy of the diesel into electrical energy.
In the cylinder of the diesel generator set, the clean air filtered by the air filter is fully mixed with the high-pressure atomized diesel injected from the fuel injector. Under the upward extrusion of the piston, the volume is reduced and the temperature rises rapidly, reaching the diesel-burning point. The diesel is ignited, the mixed gas burns violently, and its volume expands rapidly, pushing the piston down, which is called ‘work’. Each cylinder performs work in a certain order, and the thrust acting on the piston becomes the force that pushes the crankshaft to rotate through the connecting rod, finally driving the crankshaft to rotate.
By installing the brushless synchronous alternator coaxially with the crankshaft of the diesel engine, the rotor of the generator can be driven by the rotation of the diesel engine. Using the principle of "electromagnetic induction", the diesel generator set will output induced electromotive force, which can be generated by a closed load circuit.
The diesel generator set is a type of AC power supply equipment of a self-supplied power station. It is a small independent power generation equipment that uses an internal combustion engine as the power to drive a synchronous alternator to generate electricity.
A modern diesel generator set is composed of a diesel engine, a three-phase AC brushless synchronous generator, a control box (screen), a cooling water tank, a coupling, a fuel tank, a muffler, and a public base. The flywheel shell of the diesel engine and the front end cover of the generator is directly connected in the axial direction by a shoulder positioning, and a cylindrical elastic coupling is used to directly drive the rotation of the generator. The connection method is fixed by screws to make them connect into a steel body, to ensure that the concentricity of the crankshaft of the diesel generator set and the generator rotor is within the specified range.
To reduce the vibration of diesel generator sets, shock absorbers or rubber cushions are usually installed at the joints of main components such as diesel engines, generators, water tanks, and electrical control boxes with the public base.
All Mecca Power products will undergo several experiments before leaving the factory, so our field frequency quality is guaranteed. If you are engaged in diesel generator set work, you can contact us on the website. Our website is https://www.meccapower.com.cn.
