Define generator and working principle of generator
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Answer:
Generator is a machine that converts mechanical energy into electrical energy. It works based on principle of faraday law of electromagnetic induction.
the important elements of a generator are:
Magnetic field
Motion of conductor in magnetic field
working principal
Generators are basically coils of electric conductors, normally copper wire, that are tightly wound onto a metal core and are mounted to turn around inside an exhibit of large magnets. An electric conductor moves through a magnetic field, the magnetism will interface with the electrons in the conductor to induce a flow of electrical current inside it.The conductor coil and its core are called the armature, connecting the armature to the shaft of a mechanical power source, for example an motor, the copper conductor can turn at exceptionally increased speed over the magnetic field.The point when the generator armature first starts to turn, then there is a weak magnetic field in the iron pole shoes. As the armature turns, it starts to raise voltage. Some of this voltage is making on the field windings through the generator regulator. This impressed voltage builds up stronger winding current, raises the strength of the magnetic field. The expanded field produces more voltage in the armature. This, in turn, make more current in the field windings, with a resultant higher armature voltage. At this time the signs of the shoes depended on the direction of flow of current in the field winding. The opposite signs will give current to flow in wrong direction.
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An Electric Generator is defined as a device which is used to convert mechanical energy into electrical energy...
An Electric Generator works on the principle of Electromagnetic induction...
Electromagnetic Induction is defined as the phenomenon by which an electromotive force or voltage and an electric current are induced in a coil, whenever there is a change in the number of magnetic lines of force, or whenever there is a change in the magnetic flux, linked with the coil, due to a relative motion between the coil and a magnet...
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