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EC 2201 ELECTRICAL ENGINEERING MODEL QUESTION PAPER

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									ANNA UNIVERSITY EC 2201 ELECTRICAL ENGINEERING MODEL QUESTION PAPER FOR
NOV/DEC 2012
                 THIS QUESTION PAPER IS FOR REFERENCE PURPOSE ONLY.
 THE FOLLOWING QUESTION PAPER CAN BE APPLICABLE FOR ANNA UNIVERSITY CHENNAI,
 TRICHY, COIMBATORE, TIRUNELVELI, MADURAI STUDENTS 2008 REGULATION APPLICABLE
          ANNA UNIVERSITY EC 2201 ELECTRICAL ENGINEERING QUESTION BANK
                          FOR STUDENTS IN THE YEAR 2012 ALSO
                    B.E/B.TECH DEGREE EXAMINATION, NOV/DEC 2012
                                     THIRD SEMESTER
                            EC 2201 ELECTRICAL ENGINEERING
                                    REGULATION 2008
TIME: THREE HOURS                                       MAXIMUM: 100 MARKS
ANSWER ALL QUESTIONS
PART A(10x2=20 MARKS)
1. What do you mean by commutation?
2. what do you mean by magnetization curve?
3. Draw the vector diagram of transformer an no load.
4. Define voltage regulation of transformer.
5. write the working principle of 3f induction motor.
6. What is Rmf? How Rmf is produced in the stator of the induction motor
7. Write down the e.m.f. equation of alternator.
8. What is the operating principle of hysteresis motor?
9. What is the purpose of circuit breakers.
10.What are the advantages of AC and DC transmission?
PART B (5x16=80)
11 (a) Explain in detail about the ward-leonard system of speed control of DC motor.
Or
(b)Explains the procedure of swin burne's test.

12 (a) Derive the e.m.f. equation of transformer.
or
(b)Draw and explain in detail about the transformer an load.

13 (a) Derive the torque equation of 3 phase induction motor.
or
(b)How Rmf is produced with the help of 3 f AC supply?
14 (a) Write short notes on (i) Brushless alternator (ii) Reluctance motor (iii) Hysteresis
motor (iv) Stepper motor.
or
(b) Derive the emf equation of alternator.
15 (a) Write short notes as (i) Insulators (ii) cables.
Or
(b) Explain in detail the various types of transmission and distribution systems.
BEST OF LUCK -AIMFORHIGH and www.annaunivdotedu.blogspot.com

								
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