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What are the two windings in a DC Machine?
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What is the purpose of compensating windings in DC machines?
Answer : The purpose of compensating windings in DC machines is to help **reduce the effect of armature reaction**. Armature reaction occurs when the magnetic field produced by the armature current ... maintain the smooth operation of DC machines by counteracting the negative effects of armature reaction....

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Explain what are inter-poles and why they are required in a dc machine.

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Explain the process of commutation in a dc machine. Explain what are inter-poles and why they are required in a dc machine.

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What are the primary and secondary windings in a transformer?

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List the types of DC Motors based on the connection of the field windings.

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What is the function of commutator in a DC machine?

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Explain the process of commutation in a dc machine.

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What is hysteresis loss in a DC machine?
Answer : Hysteresis loss in a DC machine refers to the energy loss that occurs due to the magnetic properties of the core material used in the machine, such as the armature core. In a DC machine, the core ... with eddy current loss) in a DC machine and contributes to the total energy loss in the system....

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What does hysteresis loss in a DC machine least depend on?

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What material is used to make brushes in a DC Machine?

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What is the function of field winding in a DC Machine?

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What is the difference between a motor and a generator in DC machine?

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How is the eddy current loss minimized in DC machine?

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What is the purpose of damper windings in synchronous machines?

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What is the purpose of field windings in electrical machines?

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What is the purpose of interleaving in transformer windings?

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Explain the concept of proximity effect in transformer windings.

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How is the DC machine connected to work as a Generator?

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Is a transformer AC or DC machine?
Answer : A transformer is an **AC (Alternating Current) machine**. This is because transformers work on the principle of **electromagnetic induction**, which only happens with alternating current. ... coil after the initial moment of current flow. Therefore, transformers only function properly with AC....

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How does a restricted earth fault (REF) relay protect transformer windings?

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What is the difference between primary and secondary windings?

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