22-08-2014, 02:19 PM
Question Paper Code : 11243
B.E./B.Tech. DEGREE EXAMINATION, MAY/JUNE 2014.
Sixth Semester
Electrical and Electronics Engineering
080280054 — POWER ELECTRONICS
(Common to 080280050 — Power Electronics for B.E. (Part-Time) Fifth Semester, Electrical and Electronics Engineering)
Time : Three hours (Regulation 2008)
Answer ALL questions.
PART A — (10 x 2 20 marks)
1.What is snubber circuit?
2.Draw the FBSOA of Power transistor.
3.What is the frequency of the lowest order harmonics in three phase semi controlled converter?
4.What is cycle- syncopation?
5.What is the effect of chopping frequency on the load ripple current?
6.What is the effect of load inductance on the performance of cyclo converter?
7.What are the performance parameters of inverters?
8.What are the harmonic reduction techniques used in inverters?
9.What is an anti-saturation controlof BJTs?
10.What are the advantages and disadvantages of opto-coupled gate isolation?
Full Name :Arumugam.P
College Name :SNS College of Technology
Department :EEE
Semester :06
Subject Code :080280054
Subject Name : Power Electronics
Study Material Description :aaru edition 2014 QP
Attachment :
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