EE8401 EM-II Question Papers
Anna University Regulation 2017 EEE EE8401 EM-II Question Papers for previous years are provided below. Previous Year Question Papers for EEE 4th SEM EE8401 Electrical Machines – II, Engineering are listed down for students to make perfect utilization and score maximum marks with our study materials.
Anna University Regulation 2017 (EEE) 4th SEM EE8401 EM-II – Electrical Machines – II question paper
1.Identify the type of synchronous generators that are used in hydroelectric plant.
2.What are the advantages of salient pole type construction used for synchronous machines?
3.Why is the field system of an alternator made as a rotor?
4.Differentiate single layer and double layer winding.
5.Summarize winding factors of an alternator.
6.Explain the role of damper winding in synchronous generator.
7.Calculate the pitch factor for the under given winding: 36 stator slots, 4 poles and coil span 1 to 8.
8.What is the necessity of chording in the armature winding of a synchronous machine?
9.Write the equation for frequency of emf induced in an alternator.
10.Summarize the essential elements for generating emf in alternators.
11.Develop synchronous impedance equation of an alternator.
12.Tell, what is meant by armature reaction in an alternator?
13.Express what is meant by alternator on infinite bus-bars?
14.Demonstrate the conditions to be satisfied for parallel operation of an alternators.
15.What is synchronizing power of an alternator?
16.Explain the causes of voltage drop in an alternator when loaded.
17.Define voltage regulation.
18.List the various methods to determine the voltage regulation.
19.Two reaction theory is applied only to salient pole machines. State the reason.
20.Distinguish between transient and sub-transient reactances.
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EE8401 EM-II question papers
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