Stationary alternator parts

M: In summary, an alternator requires relative motion between its field and armature windings in order to produce a voltage. This is similar to the principle of induction in a transformer. The coupling coefficient between the primary and secondary windings changes with the angle of the rotor, with maximum coupling occurring when the poles are directly aligned and minimum coupling occurring when they are 90 electrical degrees apart.
  • #1
dhivakhar
4
0
will an alternator produce current when both its field and armature windings are stationary(like transformer action),
as ac current produces a changing magnetic field.is the field rotated for making more output?
 
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  • #2
Hi dhivakhar. http://img96.imageshack.us/img96/5725/red5e5etimes5e5e45e5e25.gif [Broken]
Relative motion is needed for an alternator to generate a voltage. http://thumbnails112.imagebam.com/37333/0363e9373324851.jpg [Broken]
 
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  • #3
If the field is alternating current, then the stator will incur induction like a transformer. But the coupling coefficient between primary and secondary changes with rotor angle. When the stator and rotor poles are directly aligned, coupling is maximized. If the rotor and stator are 90 electrical degrees apart, coupling is minimized. Did I help?

Claude
 

1. What is a stationary alternator?

A stationary alternator is an electrical device that converts mechanical energy into electrical energy. It is a type of generator that is designed to remain stationary while the rotating magnetic field passes through its stationary windings to produce electricity.

2. What are the main parts of a stationary alternator?

The main parts of a stationary alternator include a stator, rotor, bearings, exciter, diode pack, and voltage regulator. The stator is the stationary part of the alternator and contains the windings that produce the electrical output. The rotor is the rotating part of the alternator that creates the magnetic field. The bearings support the rotor and allow it to rotate smoothly. The exciter is a small generator that provides initial electrical energy to the rotor to create the magnetic field. The diode pack converts the AC output of the alternator into DC current. The voltage regulator controls the amount of voltage produced by the alternator.

3. What is the function of the stator in a stationary alternator?

The stator is responsible for producing the electrical output of the stationary alternator. It consists of a series of windings that are connected to the electrical load. As the rotor rotates, the magnetic field passes through these windings, inducing an electrical current in them.

4. How does a stationary alternator differ from a portable generator?

A stationary alternator is designed to remain in one location and is usually connected to a power grid, providing a continuous source of electricity. In contrast, a portable generator is designed to be moved and can operate independently without being connected to a power grid. Additionally, stationary alternators are typically larger and more powerful than portable generators.

5. What maintenance is required for stationary alternator parts?

Regular maintenance is essential for keeping a stationary alternator in good working condition. This includes cleaning and inspecting the various parts, such as the stator, rotor, and bearings, to ensure they are free of debris and in good working order. The diode pack and voltage regulator should also be checked regularly for any damage. Additionally, it is important to regularly test the alternator's output to ensure it is functioning properly.

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