Gujarat Technological UniversitySummer 2026 examination

GTU 3170906 Advanced Power Electronics Summer 2026 Question Paper & PDF

B.E. · Electrical Engineering · Semester 7 · Subject code 3170906
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 2:30 PM – 5:00 PM
Questions
5 with internal choice
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Q.1

14 Marks
(a)
3 marks

What is the need of Resonant Converter? Give classification of resonant converter.

(b)
4 marks

Classify career based PWM technique for multilevel inverter. Discuss any one in brief.

(c)
7 marks

Draw necessary waveforms and explain working of Boost converter in continuous and discontinuous conduction mode.

Q.2

14 Marks
(a)
3 marks
Explain the need of reactive power compensation.
(b)
4 marks

Compare HVDC transmission over HVAC transmission based on Economics of Transmission, Technical Performance & Reliability

(c)
7 marks

Draw the circuit diagram of 5 level diode clamped multi level inverter and explain the operation with switching table

(c)
7 marks

Draw the circuit diagram of 5 level cascaded H-bridge multi-level inverter and explain the operation with switching table

Q.3

14 Marks
(a)
3 marks

Draw only the circuit diagram of flyback, forward and full bridge converter

(b)
4 marks
Explain Multi output switch mode regulator with help of circuit diagram.
(c)
7 marks

Explain principle of series compensation. Discuss static synchronous series compensator.

(a)
3 marks
Give comparison of SVC and STATCOM
(b)
4 marks
Explain working principal of UPFC
(c)
7 marks
Describe Cuk converter with circuit diagram and necessary waveform.

Q.4

14 Marks
(a)
3 marks

Draw only circuit diagram of Zero current switching DC-DC converter and Clamped Voltage topology

(b)
4 marks
Illustrate the push pull converter with neat circuit diagram & waveform
(c)
7 marks

Explain TCR with circuit diagram. Draw current and voltage waveforms for different values of α.

(a)
3 marks
Compare Linear voltage regulator and Switch mode regulator
(b)
4 marks
Define FACTS. State the advantages of FACTS devices
(c)
7 marks

Justify the name of converter as zero voltage switching converter with necessary diagram and waveform

Q.5

14 Marks
(a)
3 marks
Give classification and applications of phase shifting transformer
(b)
4 marks

Explain concept of multi pulse converter. State advantages and disadvantages of multi-pulse converters.

(c)
7 marks

Draw block diagram of HVDC transmission system. Discuss equipment required for HVDC system and give their significance

(a)
3 marks
Discuss control of HVDC system
(b)
4 marks
Give comparison between ZCS and ZVS
(c)
7 marks

Which harmonics are dominant in line for a 12-pulse multi-pulse converter? Also, explain how harmonic cancellation occurs in multi- pulse converter

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About this paper

Official Gujarat Technological University (GTU) examination paper for Advanced Power Electronics (Summer 2026, B.E. · Electrical Engineering, Sem 7). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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