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Working principle of marine diesel generators

Update:2018-05-09 15:42Author:admin
Working principle of marine diesel generators The basic structure of diesel generators consists of diesel engines and generators diesel engines for power generators. First of all the basic structure of the diesel engine it consists of cyli
Working principle of marine diesel generators
The basic structure of diesel generators consists of diesel engines and generators diesel engines for power generators.
First of all the basic structure of the diesel engine it consists of cylinder piston cylinder head intake valve exhaust valve piston pin connecting rod crankshaft bearing and flywheel composition.  Diesel engine diesel engine is a single cylinder or multi four cylinder diesel engine I only work on the basic principle of a single cylinder four stroke diesel engine diesel engine starting is by human or other power rotating diesel engine crankshaft to the top of the piston in the airtight  The cylinder moves up and down.  Piston movement is completed four strokes intake stroke compression stroke combustion and power stroke and exhaust stroke (ventilation).  When the piston is opened by the downward movement on the inlet valve the air filter filters the fresh air into the cylinder to complete the intake stroke.  Piston from bottom to top into the exhaust valve closed the air is compressed the temperature and pressure are higher complete the compression process.  The piston will reach the top the fuel injector to the filter spray to the combustion chamber high temperature and high pressure air mixed combustion immediately by the high pressure of the piston to form a lower level of working conditions promote the crankshaft complete the work progress.  After the work is completed the piston from bottom to top the exhaust valve open to complete the exhaust stroke.  Half stroke of each stroke crankshaft.
After several cycles of work the speed of the diesel engine in the flywheel inertia gradually into the work.
The diesel engine crankshaft is driven by a generator with generators and alternators.
Dc generators mainly by the generator body magnetic core magnetic field coil armature and carbon brush and other components.  Work power generation principle When the diesel generator armature rotation due to the residual magnetic field of the generator so the armature coil magnetic field in the magnetic field according to the electromagnetic induction principle the induced current generated by the output current and carbon brush.
diesel generators
The alternator is mainly made of a magnetic material which manufactures a plurality of pole-alternating permanent magnets (called rotors) and silicon cast iron and has a plurality of series coils around an armature coil (called a stator).  Power generation principle Working principle Rotor axial cutting line Driven by the magnetic force of the diesel engine stator pole alternately arranged into iron core formed in the alternating magnetic field in the coil and rotor rotation magnetic flux direction and size change many times due to changes in the magnetic field  Resulting in changes in the size and direction of the coil current and the stator winding.
In order to protect the electrical equipment to maintain normal work the generator current also need to adjust the regulator control.
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