GTU B.Tech 2020 Winter Question Papers || Gujarat Technological University
Subject Code:3152410 Date:01/02/2021
Subject Name:Power Electronics in Consumer Products
Time:10:30 AM TO 12:30 PM Total Marks: 56
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BE- SEMESTER-V (NEW) EXAMINATION - WINTER 2020Subject Code:3152410 Date:01/02/2021
Subject Name:Power Electronics in Consumer Products
Time:10:30 AM TO 12:30 PM Total Marks: 56
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Instructions:
- Attempt any FOUR questions out of EIGHT questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Marks | ||
|---|---|---|
| Q.1 | (a) Define Power Electronics. With the help of block-diagram explain power electronic system. | 03 |
| (b) Enlist any four important applications of power electronics in daily life. | 04 | |
| (c) Enumerate universal advantages and disadvantages of power electronic products. | 07 | |
| Q.2 | (a) Write a short note on CFL lamp. | 03 |
| (b) Compare LED based tube light with conventional tube light. | 04 | |
| (c) Draw and explain the block diagram of IOT based controllable / dimmable lights. | 07 | |
| Q.3 | (a) Discuss power electronic converter used in washing machine. | 03 |
| (b) Distinguish Inverter based Air Conditioner with conventional Air Conditioner. | 04 | |
| (c) Explain inverter based Air Conditioner. How it censors the bill? | 07 | |
| Q.4 | (a) Give a technical note on Vacuum cleaner with specification. | 03 |
| (b) Discuss BLDC fan. Enlist the disadvantages of BLDC fan. | 04 | |
| (c) Explain power electronics circuits used in Elevator. Enumerate the advantages of PE based Elevators over conventional Elevators. | 07 | |
| Q.5 | (a) Write the specification of mobile charger and compare it with Tablets Charger. | 03 |
| (b) Discuss regulated power supply used for internet Routers / Switches. | 04 | |
| (c) Draw and explain regulated power supply applicable to LED TV. | 07 | |
| Q.6 | (a) Discuss Induction Cooker. | 03 |
| (b) Explain Induction cook tops & plats. | 04 | |
| (c) Draw and explain power electronic converter used in Induction water heater. Enlist its advantages over conventional water heater. | 07 | |
| Q.7 | (a) Write short notes on UPS. | 03 |
| (b) Discuss types & role of converters in solar based agricultural pump. | 04 | |
| (c) Illustrate power electronics converter used in small roof top Solar Power Plant. | 07 | |
| Q.8 | (a) Write role of power electronics in Advertising Display Unit. | 03 |
| (b) Discuss on charger for electric vehicle. | 04 | |
| (c) Draw and explain basic block diagram of ELCB. | 07 |
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