2005 Mahatma Gandhi University BTech Electrical and Electronics Engineering Electrical Machines III E Question paper for exam preparation. Question paper for 2005 Mahatma Gandhi University BTech Electrical and Electronics Engineering Electrical Machines III E Question paper, 2005 Mahatma Gandhi University BTech Electrical and Electronics Engineering Electrical Machines III E Question paper. SiteMap
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2005 Mahatma Gandhi University BTech Electrical and Electronics Engineering Electrical Machines III E Question paper

University Question Papers
2005 Mahatma Gandhi University BTech Electrical and Electronics Engineering Electrical Machines III E Question paper
B.TECH. DEGREE EXAMINATION
Seventh Semester
Branch : Electrical and Electronics Engineering
ELECTRICAL MACHINES – III(E)
Model for November 2005

Time : Three Hours Maximum : 100 Marks

PART A
Answer all questions.
Each questions carry equal marks.

1. Develop the torque equation for the 3-phase induction motor.
2. Develop the equivalent circuit of a 3-phase induction motor.
3. Explain the necessity of starter for starting a 3-phase induction motor.
4. With the help of a neat sketch, describe the star delta method of starting of a 3-phase squirrel cage induction motor.
5. Discuss briefly the operation of an induction generator.
6. Explain the operation of a capacitor start-capacitor run single phase induction motor.
7. Write notes on universal motor.
8. Discuss the operation and application of a reluctance motor.
9. Describe with the help of diagrams the constructional details and action of a double cage induction motor.
10. Explain the action of scherbius advancer
(10 X 4 = 40 marks)

PART B
Answer all questions.
Each questions carry equal marks.

11. Discuss the constructional details of a 3-phase slip-ring and cage induction motors.
Or
12. (a) Explain how circle diagrams is drawn from no load and blocked rotor test.
(b) Draw the torque-slip characteristic of 3-phase induction motor.




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