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A commutation process typically refers to the reduction of a legal penalty or sentence. This could involve changing a prison sentence to a lesser punishment or reducing the severity of a punishment for a crime. It is often granted by a higher authority, such as a governor or president.
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What is purpose of commutation?
The purpose of commutation is to switch the direction of current flowing through a motor's windings, thereby controlling the motor's rotation. Commutation ensures that the armature's magnetic field is always in the correct alignment with the stator's magnetic field, enabling smooth and continuous motor operation.
What is mean by commutation switch?
A commutation switch is a device used to reverse the direction of current flow in a circuit, typically in motor control applications to control the direction of rotation. It allows for the smooth transition of current between different circuit elements, such as switching from one winding to another in a motor to maintain torque.
What process do scientist use to think about and explore the natural world?
The scientific process
What is the afferent process called?
Afferent Process is the process by which the dendrites carry impulses toward the cyton.
What are the reactants of this process?
method is process and product
What are the types of commutation?
Two types of commutation process 1) Natural commutation 2) Forced commutation
What is commutation of thyristor?
the process of turning off of a thyrisror is known as commutation
What is the process of commutation?
its the change or reversal of the direction of current by the combination of brush and coil.
How does the area of copper-carbon contacts decide the distribution of current in commutation process of DC machine?
Copper carbon decides the distribution of commutation from the rotation. It tells what direction for it flow.
How does voltage commutation work in DC machine?
In voltage commutation process, the introduction of interpoles between main poles compensate armature mmf and reduces the effect of armature reaction.
How commutation can be improve?
Generally there are two methods of improving Commutation :- 1.Resistance Commutation 2.Emf or Voltage Commutation The Commutation can also be improve by using interpoles and compensating windings.
What is load commutation?
it is a type of forced commutation technique of thyristor
What is commutation of a rectifier?
Commutation in a rectifier: Refers to the process of transfer of current from one device (diode or thyristor) to the other in a rectifier. The device from which the current is transferred is called the "out going device" and the device to which the current is transferred is called the "incoming device". The incoming device turns on at the beginning of commutation while the out going device turns off at the end of commutation.Commutation failure: Refers to the situation where the out going device fails to turn off at the end of commutation and continues to conduct current.
What is the difference between current and voltage commutation?
Voltage commutation: This is possible in ac circuits...The thyristor gets turned off by reverse bias (negative half cycle) voltage applied across it. This is also called line commutation. Current Commutation: This is possible in dc circuits ...This type of commutation makes use of auxiliary circuit which contains inductor,capacitor,diode and even a thyristor(auxiliary). This is called Forced commutation.
Natural commutation is used in which kind of circuit?
phase controlled RECTIFIER circuit used Natural Commutation......
What are the problems of commutation in a DC generator?
1.resistance commutation 2.e.m.f commutation
What is a line commutation?
it is the natural commutation ...by making open circuit or short circuit on the thyristor to make it turn off.
