Power Electronics & Drive Lab questions

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SRM VALLIAMMAI ENGINEERING COLLEGE
(An Autonomous Institution)
SRM Nagar, Kattankulathur – 603203
B.E / B.Tech. PRACTICAL END SEMESTER EXAMINATIONS, APRIL / MAY 2020
Regulations-2017
Sixth Semester
B.E Electrical and Electronics Engineering
EE8661-POWER ELECTRONICS AND DRIVES LABORATORY
SET 1
Time: 3 Hours Answer any one Question Maximum Marks:100
Aim/Principle/Apparatus
required/Procedure
Tabulation/Circuit/
Program/Drawing
Calculation
& Results
Viva-Voce Record Total
30 30 20 10 10 100
Q.No.
1. Conduct a suitable experiment to generate a gate pulse using R, RC and UJT.
2. Conduct a suitable experiment for a uni-directional current controlled device and draw the
turn-on and steady state characteristics.
3. Conduct a suitable experiment for a bi-directional current controlled device and draw the
steady state characteristics.
4. Conduct a suitable experiment for a uni-directional voltage controlled device and draw the
turn-on and steady state characteristics.
5. Conduct a suitable experiment to show the advantages of both BJT and MOSFET of a
device and draw the steady state characteristics.
6. Conduct a suitable experiment to prove that the o/p DC voltage is greater than i/p DC
voltage of a device.
7. Conduct a suitable experiment to prove that the o/p DC voltage is lesser than i/p DC
voltage of a device.
8. Conduct a suitable experiment for a single phase PWM inverter.
9. Conduct a suitable experiment for a three phase PWM inverter.
10. Conduct a suitable experiment for a two pulse converter using 2 SCR’S and 2 Diodes.
11. Conduct a suitable experiment for a two pulse converter using 4 SCR’S.
12. Obtain the output voltage waveform of a single phase converter which has four controllable
devices. Take α =300
for R load, α = 600
for R Load.
13. Obtain the output voltage waveform of a single phase converter which has two controllable
devices. Take α = 650
for R Load, α =900
for R load.
14. Obtain the V-I static characteristics of a three junction, four layer and unidirectional current
controlled device.

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15. Obtain the V-I static characteristics of a three terminal bidirectional current controlled device.
16. Obtain the transfer and output characteristics of a unipolar voltage controlled device.
17. Draw the output waveforms of a buck- boost converter by conducting suitable experiment.
18. Conduct a suitable experiment for an Ac Voltage controller.
19. Conduct a suitable experiment for a Switched mode power converter.
20. Simulate and obtain the output waveform for a 1Φsemiconverter & 3Φsemiconverter model.
21. Simulate and obtain the output waveform for a 1Φfullconverter & 3Φfullconverter model.
22. Simulate and obtain the output waveform for a dc-dc converters & ac voltage controller model.
23. Obtain the V-I static characteristics of a Gate Turn-off thyristor device.
24. Obtain the V-I static characteristics of an Integrated Gate-Commutated Thyristor (IGCT)
device.
25. Conduct a suitable experiment for a PMBLDC motor.
INTERNAL EXAMINER EXTERNAL EXAMINER