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The basic structure of a diesel generator
Jun 11, 2018

The basic layout of the diesel generator set price is composed of a diesel engine and a generator, and the diesel engine is used as a power generator to generate electricity.

First, the basic layout of the diesel engine: It consists of cylinders, pistons, cylinder heads, intake valves, exhaust valves, piston pins, connecting rods, crankshafts, bearings, and flywheels. Diesel generator diesel engine is usually a single-cylinder or multi-cylinder four-stroke diesel engine, the following I only talk about the basic principle of single-cylinder four-stroke diesel engine: diesel engine start is a manual or other power conversion diesel engine crankshaft piston closed at the top of the cylinder Up and down reciprocating movement. The piston completes four strokes in motion: intake stroke, contraction stroke, incineration and work (expansion) stroke and exhaust stroke. When the piston moves from the top down, the intake valve opens and fresh air filtered by the air filter enters the cylinder to complete the intake stroke. The piston moves up and down, the intake and exhaust valves are closed, the air is tightened, the temperature and pressure increase, and the tightening process is completed. When the piston is about to reach the extreme, the fuel injector sprays the filtered fuel into the incineration chamber and mixes with the high temperature and high pressure air. It immediately burns and burns. The high pressure propelling piston is formed to work downwards to promote the rotation of the crankshaft. Work schedule. After the power stroke is completed, the piston moves from bottom to top, the exhaust valve opens and exhausts, and the crankshaft rotates one half revolution per stroke. After several operating cycles, the diesel engine gradually accelerates its entry into operation under the inertia of the flywheel.

The crankshaft rotation of the diesel engine turns the generator into a generator, the generator has a DC generator and communicates with the generator.

The DC generator is mainly composed of a generator shell, a pole core, a magnetic field coil, an armature and a carbon brush. Operation power generation principle: When the armature of the diesel generator rotates, the magnetic coil of the armature coil is cut in the magnetic field because of the remanence of the magnetic core of the generator. According to the principle of electromagnetic induction, the current is generated by the magnetic induction and the carbon brush is applied. Output current.

The communication generator is mainly composed of magnetic materials made of a plurality of north and south poles replaced by permanent magnets (called rotors) and silicon cast iron made of armature coils (called stators) wound with multiple sets of series coils. Operation power generation principle: The rotor cuts the magnetic field line from the axial movement of the diesel engine. The magnetic pole replaced and placed in the stator constitutes a replacement magnetic field in the coil core. The rotation of the rotor is one revolution, and the direction and size of the magnetic flux are changed several times because of the change of the magnetic field. As a result, induced currents that change in magnitude and direction will occur in the coil and current will be delivered by the stator coil.


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