Rajasthan Technical University 2009-6th Sem B.Tech Electrical Engineering : (- ) Advanced Power Electronics - Question Paper
Rajas than tech. University
Electrical Engineering
(B.Tech. - semester 6)
Paper code- 6E3112
Advanced Power Electronics
Roll No. Cp3
Total No, of Questions : Ift] |Total No. of Pages : 2
(20791.
B.Tech. VIth Semester (Main/Back) Examination - 2009
Electrical Engineering Advanced Power Electronics 6E3112
Time : 3 Hours Maximum Marks : 80
Min. Passing Marks : 24
Instructions to Candidates:
Attempt overall Five Questions selecting one question from each unit. All questions carry equal marks. (Schematic diagrams must be shown wherever necessary. Any data you feel missing may suitably be assumed and stated clearly. Units of quantities used/calculated must be stated clearly.).
1. a) Explain the principle of phase control. (8)
b) Explain the working principle of three phase full wave "AC controller. (8)
a) Discuss AC voltage controller with PWM control. (8)
*
J>) Explain principle of (on - off control). (8)
-V
3. Explain voltage control of single phase & three phase iiiventorsx (16) Ex pi ain phenomenon of harmonics generation &.its reduction techniques. (16)
5. Explain the basic principle of operation of three phase cyclo converter. (16) Explain the\vorking principle of control circuit of three phase cyclo-converter.(16)
6E3112/ 3000 (1) [Contd..,.
UNIT - IV
7.- Hxplain the principle of bi-directional power supplies. (L6)
Hxplain the principle of flyback and forward converter. (16)
:
UNIT - V
9. Discuss voltage & current mode control of AC power supplies. (16)
10. Write short notes on followings: (2x8=16)
a> Multistage conversion.
Resonant AC power supplies.
(2)
6E3112
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| Earning: Approval pending. |
