GTU B.Tech 2020 Winter Question Papers || Gujarat Technological University
Subject Name:Power Electronics Design
Time:10:30 AM TO 12:30 PM Total Marks: 56
3. Figures to the right indicate full marks.
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-VII (NEW) EXAMINATION - WINTER 2020
--- Content provided by FirstRanker.com ---
Subject Code:2172410 Date:28/01/2021Subject Name:Power Electronics Design
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
--- Content provided by FirstRanker.com ---
2. Make suitable assumptions wherever necessary.3. Figures to the right indicate full marks.
| MARKS | |
|---|---|
| Q.1 (a) Draw the structure & explain the working principle of Power BJT. | 03 |
| (b) Enlist steps to design power electronics circuit. | 04 |
| (c) Explain any one non-isolated driver circuit for SCR with design consideration. | 07 |
| Q.2 (a) Enlist & explain steps for Inductor design. | 03 |
| (b) Discuss the design aspects and component selection for Snubber Circuit. | 04 |
| (c) Discuss the effect of poor grounding for driver circuits. | 07 |
| Q.3 (a) Enlist the requirement of isolated driver circuit. | 03 |
| (b) Write a technical note on di/dt and dv/dt protection of SCR. | 04 |
| (c) Describe the steps involving in high frequency inductor design for boost converter. | 07 |
| Q.4 (a) Enlist the importance of isolated driver circuit. | 03 |
| (b) Write a technical note on over current protection | 04 |
| (c) Discuss the method to design high frequency transformer for Flyback type DC-DC converter. | 07 |
| Q.5 (a) Write a note on: opto-coupler. | 03 |
| (b) Draw any one isolated driver circuit for MOSFET. | 04 |
| (c) Discuss a method to measure analog quantity like voltage, current & frequency. | 07 |
| Q.6 (a) Discuss working of pulse transformer in brief. | 03 |
| (b) Draw any one isolated driver circuit for IGBT. | 04 |
| (c) Design non-isolated type driver circuit for TRIAC. Support your answer with suitable diagrams. | 07 |
| Q.7 (a) Define Heat Sink. List the types of Heat Sink according to heat Dissipation method. | 03 |
| (b) Enlist & explain types of PCBs. | 04 |
| (c) Write a short note on PCB design for mixed signal (analog and digital) circuit | 07 |
| Q.8 (a) Compare the Active and Passive Heat Sink. | 03 |
| (b) Explain the Noise Reduction Through PCB Layout. | 04 |
| (c) Write a short note on design considerations for Voltage Isolation and Current Capacity for PCB design. | 07 |
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU B.Tech 2020 Winter Question Papers || Gujarat Technological University