DC Generator Field Coil Location
The field magnet coil in a DC generator is responsible for creating the main magnetic field. This magnetic field is essential for the process of electromagnetic induction where voltage is generated in the armature windings.
In the construction of a typical DC generator, the field system, including the field poles and their windings (field coils), is stationary. This stationary part constitutes the outer frame or casing of the generator, commonly referred to as the stator or the generator's body.
The armature, which contains the windings where current is induced, is the rotating part (the rotor). The field coil must remain stationary to produce a constant magnetic field relative to the rotating armature.
Therefore, the field magnet coil is fitted in the body of the DC generator.
Analyzing the options:
- In the rotor: Incorrect. The armature rotates here.
- On the shaft: Incorrect. The shaft is the rotating axle.
- On the back cover: Incorrect. The back cover is a protective component.
- In the body: Correct. The field coils are part of the stationary stator structure.
Similar Questions
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Important Questions from DC Generators
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In DC machine shape of main field flux distribution is
Brushes in a DC machine are normally placed electrically in the
The greatest eddy current loss occurs in ______ part of the DC machine.
Which among the following DC generators produces constant output voltage at all loads?
