Monday, October 24, 2016

EE2301 Power Electronics Nov Dec 2010 Question Paper

Anna University Chennai- EE6503 Power Electronics Previous Year Question Papers Collection Nov Dec 2010
Question Paper Code : 53140
B.E./B.Tech. DEGREE EXAMINATION, Nov Dec 2010
Fifth Semester
Electrical and Electronics Engineering
EE2301 Power Electronics
(Common to Instrumentation and Control Engineering)
(Regulation 2008)
Time : Three hours
Maximum : 100 marks

Note: New Subject Code of the Question Paper in R-2013 is EE6503

Answer ALL questions
PART A — (10 × 2 = 20 Marks)

1. Draw the turn-on characteristics of TRIAC and mark the timings td, tr and ton.
2. What are the factors that influence the turn-off time of a thyristor?
3. Draw the circuit diagram of single phase dual converter.
4. Define the term voltage ripple factor, current ripple factor.
5. Mention any two disadvantages of frequency modulation control strategy.
6. What are the advantages of ZVS when compared to ZCS?
7. Differentiate VSI from CSI.
8. List various applications of phase controlled converters.
9. What is meant by cycloconverter?
10. Write the output R.M.S. voltage for single phase AC voltage controller with resistance load

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