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What is the use of Commutator?

The commutator is used to convert the AC to DC


What is use of commutator?

The commutator is used to convert the AC to DC


Why commutator are not used in ac motors?

Because, the commutator segments are used for converting AC to DC.


Why carbon brushes are used in DC machines?

Carbon brushes used in DC machines because carbon is soft material and it does not generate spikes when contact with commutator


How do you make a commutator?

you ask mr ritter


In an electromagnet what are the springy pieces of metal or carbon that make contact with the commutator's contacts?

The springy pieces of metal or carbon that make contact with the commutator's contacts in an electromagnet are known as brushes. Brushes are responsible for delivering electrical current to the commutator, allowing the electromagnet to function as intended.


Why carbon brushes are most used in dc?

Carbon is used because it is soft and does not damage the commutator. This means that the brushes must be replaced at intervals, and the powdered carbon scraped out from between the segments of the commutator.


What are reasons for arcing at the commutator?

A shorted coil or shorted coils in the rotor will cause arcing at the commutator. It should also be noted that if the brushes are damaged badly enough where they make contact with the commutator, this can cause arcing. Oh, and let's not forget that a stuck brush or brush spring will prevent a brush from making proper contact with the commutator. Arcing can result from that, too.


Is commutator used for both ac to dc and dc to ac conversion?

Yes


What is velour material?

Velour material is material used to make tracksuits etc.


Why brushes are made up of carbon?

Carbon brushes are commonly used in electrical systems due to their high conductivity, resistance to heat, and ability to easily adjust to different commutator surfaces. The carbon material offers low friction and wear properties, making it ideal for transferring current in electric motors and generators. Additionally, carbon brushes provide a stable performance over time and have a long service life.


What are the springy pieces of metal or carbon that make contact with the commutator's contacts?

It's a small block of graphite. The graphite acts as both the electrical contact to the commutator and as a lubricant to reduce drag and wear.