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Important Conceptual Question from DC Generators

Read Out “Electrical DC Generator” topic to better understand all those questions

1) Define the principle of operation of a DC generator ?

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2) What purpose is served by the pole shoe in a DC machine ?

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3) What are the advantages and disadvantages of carbon brushes ?

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4) What is the role of commutator in an electrical DC generator ?

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5) How would you define separately excited DC generator ?

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6) How would you define self excited DC generator ?

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7) What are the different types of losses in DC Machines ?

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8) Why is the armature of a DC machine made of silicon steel ?

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9) Why do we use slotted armature in DC machine ?

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10) Why is armature placed on the rotor of a DC machine ?

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