EE8301 Important 16 Mark Questions Electrical Machines 1

EE8301 Important 16 Mark Questions Electrical Machines 1 Regulation 2017 Anna University free download. Electrical Machines 1 Important 16 Mark Questions EE8301 pdf free download.

Sample EE8301 Important 16 Mark Questions Electrical Machines 1

Unit – 1 EE8301 Important 16 Mark Questions Electrical Machines 1

1. Explain (a)leakage flux( b)stacking factor (c) air gap. (8)

2. Explain the core losses that occurs in magnetic circuits in detail. (8*)

3. Compare magnetic circuits and electric circuits (8)*

4. Explain in detail how the emf is induced . (16)*

5. Explain AC operation of magnetic circuits and derive the energy stored in magnetic field .(8)*

Unit -2 EE8301 Important 16 Mark Questions Electrical Machines 1

1. Draw and explain the equivalent circuits of transformer (16)

2. Explain the working and construction of auto transformer in detail.(8)

3. Explain parallel operation of single phase transformer. And derive the emf equation of transformers. (16)*

4. Explain a)transformer on ON load b)transformers on NO load conditions. (Each 8 )

5. Explain all the three phase transformer connections . (16)*

Unit -3 EE8301 Important 16 Mark Questions Electrical Machines 1

1. Explain in detail multiply (or) doubly excited magnetic system .(16)*

2. Explain in detail singly excited magnetic system (be in knowledge with full derivation in safer side ) .(16)*

Unit -4 EE8301 Important 16 Mark Questions Electrical Machines 1

1. Explain MMF in a multiple coil distributed winding (16)*

2. Explain MMF in single coil winding .(8)*

3. Explain generated voltage in AC and DC machines. (16)*

4. Explain and derive the torque in round rotor machines in terms of flux and flux density.(16)

Unit -5 EE8301 Important 16 Mark Questions Electrical Machines 1

1. Explain the process of commutation and the methods to improve the commutations .(16)*

2. Explain the methods speed control of DC shunt motor. (8)*

3. Explain in detail the armature reaction in the DC machines. (16)*

4. Explain the methods speed control of DC series motor.(8)

5. Explain the three point starter in detail with diagram .(8)

6. Explain any 2 methods of testing of DC machines .(8)*

7. Explain the methods of excitation in DC generators (16)*

8. Explain characteristics of DC generator.(16)*

Subject name	Electrical Machines 1
Semester	3
Subject Code	EE8301
Regulation	2017 regulation

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