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Q: What is the function of brushes and a split ring commutator and where are these items used?
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How does the commutator reverse the current in a motor?

Commutator is a split ring which reverses the current .when the commutator turns around due to magnetic force and because of it even the current gets reversed


What is the function of a split ring commutator?

The split rings cause the direction of the magnetic field in the armature to change direction as the motor rotates. If this didn't happen the motor would not rotate. Slip rings can be used for an AC motor which causes the direction of the magnetic field to change with the AC waveform.


How slip ring generate ac and dc currents?

A rotating loop within a fixed magnetic field naturally produces an alternating voltage. Slip rings and brushes are used to connect that rotating coil to a fixed external circuit and, so, provide an alternating voltage to that external circuit.To provide a direct voltage, a split-ring commutator and brushes are required, which is a rotating switch which reverses the polarity of the coil's output every half cycle.


What does the commutator in an electrical motor do?

If there is a commutator, it means you are dealing with a DC motor.The commutator acts like a switch to supply voltage to a revolving armature from the stationary brush assembly.A commutator has commutator bars, each seperated by mica insulation. Each coil of the rotating armature is connected to two bars that are in directly opposite positions across each diameter of the armature.The total number of commutator bars depends on the design of the windings on the armature: either "lap" or "wave" windings can be used on a DC motor or generator which is provided with a commutator.For more information see the answer to the Related question and also the Related link shown below.


What is the purpose of using slip rings?

This is the standard answer for both split ring commutator and slip ring. A split ring commutator is to reverse the current direction through an armature every half turn A slip ring is to ensure that the current continue to flow to the external circuit Last bit of additional information. Carbon brush ensure that the slip ring are in contact with the circuit containing the external load *Note: Do not get confused with split ring commutator(d.c.generator) & slip ring(a.c. generator)

Related questions

What are the parts and its function of electric motor?

1. Armature coil 2. Field magnets 3. Split or Slip rings 4. Carbon or metallic brushes


How does the commutator reverse the current in a motor?

Commutator is a split ring which reverses the current .when the commutator turns around due to magnetic force and because of it even the current gets reversed


A split metal ring that acts as a switch in an electric motor is called a?

commutator


What does the split ring commutator do in a motor?

It generates a alternating current to keep the motor rotating in the same direction.


How does torque reverse in a dc motor after half a revolution?

The point is that, with a d.c. motor, we don't want the torque to reverse every half-revolution, if the motor is to continue running in the same direction. To achieve this, we use a split-ring commutator/brushes, which rotates with the armature coil. Essentially, a split-ring commutator has twofunctions: (1) to enable us to connect the rotating coil to an external supply circuit and (b) to act as a rotating switch, ensuring that the armature current always flows in the same direction relative to the motor's magnetic field. Thanks to (b), the machine will continue to rotate in the same direction.Without a split-ring commutator, after half a revolution, the armature current will reverse direction relative to the magnetic field, the torque will reverse, and the motor will reverse direction.


What is the function of a split ring commutator?

The split rings cause the direction of the magnetic field in the armature to change direction as the motor rotates. If this didn't happen the motor would not rotate. Slip rings can be used for an AC motor which causes the direction of the magnetic field to change with the AC waveform.


What are the uses of commutator?

To keep the torque on a DC motor from reversing every time the coil moves through the plane perpendicular to the magnetic field, a split-ring device called a commutator is used to reverse the current at that point. The electrical contacts to the rotating ring are called "brushes" since copper brush contacts were used in early motors. Modern motors normally use spring-loaded carbon contacts, but the historical name for the contacts has persisted.


How slip ring generate ac and dc currents?

A rotating loop within a fixed magnetic field naturally produces an alternating voltage. Slip rings and brushes are used to connect that rotating coil to a fixed external circuit and, so, provide an alternating voltage to that external circuit.To provide a direct voltage, a split-ring commutator and brushes are required, which is a rotating switch which reverses the polarity of the coil's output every half cycle.


What does the commutator in an electrical motor do?

If there is a commutator, it means you are dealing with a DC motor.The commutator acts like a switch to supply voltage to a revolving armature from the stationary brush assembly.A commutator has commutator bars, each seperated by mica insulation. Each coil of the rotating armature is connected to two bars that are in directly opposite positions across each diameter of the armature.The total number of commutator bars depends on the design of the windings on the armature: either "lap" or "wave" windings can be used on a DC motor or generator which is provided with a commutator.For more information see the answer to the Related question and also the Related link shown below.


How can you generate a DC?

U sohuld replace the slip-ring which it is in the AC generator to a commutator. It is a split-ring. Then u can produce DC generator.


How does one use the perl split function?

The Perl split function is used to split a string into smaller section. One can find a guide on how to use a Perl split function on various websites including Perlmeme.


What is the purpose of using slip rings?

This is the standard answer for both split ring commutator and slip ring. A split ring commutator is to reverse the current direction through an armature every half turn A slip ring is to ensure that the current continue to flow to the external circuit Last bit of additional information. Carbon brush ensure that the slip ring are in contact with the circuit containing the external load *Note: Do not get confused with split ring commutator(d.c.generator) & slip ring(a.c. generator)