Name of the University : Mahatma Gandhi University
Department : Electrical and Electronics Engineering
Degree : M.Tech
Subject Code/Name : MEEID 203/Analysis Of Power Electronic Systems – II
Sem : II
Website : mgu.ac.in
Document Type : Model Question Paper
Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/mgu.ac.in/5279-MEEID%20203%20analysis%20of%20Power%20Electronic%20Systems%20II.doc
Analysis of Power Electronic Systems–II :
M.TECH. Degree Examination :
Model Question Paper :
Second Semester :
Related : MGU MEEPP201 Power Electronic System Control M.Tech Model Question Paper : www.pdfquestion.in/5289.html
Branch: Electrical and Electronics Engineering
Specialization: Industrial Drives and Control
MEEID 203 Analysis Of Power Electronic Systems – II
[Regular/Supplementary – 2011 Admission onwards ]
Time: Three Hours
Maximum: 100 Marks
Answer All Questions :
1. (a) Explain how a sinusoidal output voltage can be generated using space vector modulation based inverter . (13 marks)
(b) Discuss the important types of multicarrier modulation methods for multilevel inverter. Explain one of them in detail. (12 marks)
Or
2. (a)With a block diagram, show how microcontrollers can be used to control PWM inverters. (8 marks)
(b) What is the importance of constant frequency current control methods. Explain the important methods to achieve the same. (10 marks)
(c) How can a voltage source inverter be used to track a given reference current using hysteresis current control method. (7marks)
3. (a) A buck converter is used to supply a load of 15 V from a dc source of 45 V. The maximum power demanded by load is 90 W. The filter consists of L=0.6 mH and C=10microF. The converter is switched at 25 kHz. Find i) the average, maximum and minimum of inductor current ii) duty ratio iii) output voltage ripple iv) average and peak values of free wheeling diode current. (13 marks)
(b) Derive the expression of voltage gain for a Boost converter working in discontinuous conduction mode. What will be the output voltage ripple. (12 marks)
Or
4. (a) With a block diagram, describe the working of switched mode converters. (8 marks)
(b) With waveforms, explain the operation of a flyback converter in continuous conduction mode. (10marks)
(c) Derive the voltage gain of a push-pull converter. (7 marks)
5. (a) Compare soft switching with conventional hard switching methods for converters. (7 marks)
(b) Discuss the working of a resonant dc link inverter. (7 marks)
(c) Draw the circuit diagram and explain the operation of ZVS converter. (8 marks)
Or
6. (a) Explain the working of a series loaded resonant converter operating in discontinuous conduction mode with waveform. (13 marks)
(b) Describe the operation of a ZCS resonant switch converter in detail. (12 marks)
7. (a) Using a conventional single phase rectifier circuit, explain its shortcomings which led to the development of PWM rectifiers. (7 marks)
(b) What are the important types of PWM rectifiers. (8 marks)
(c) Explain the operation of a three phase boost rectifier, with necessary waveforms. (10 marks)
Or
8. (a) What are matrix converters? Give its advantages and disadvantages. (12 marks)
(b) Explain Venturini method of control for matrix converters. (13 marks)
M.Tech. Degree Examination :
Branch : Electrical and Electronics Engineering
Specialization – Power Electronics :
Model Question Paper – I :
Second Semester
MEEPE 206-1 Advanced Microprocessors And Microcontrollers (Elective IV) (Regular – 2011Admission onwards)
Time : Three hours
Max. Marks : 100
Answer All Questions :
1. (a) Draw the basic architecture of 80286 and explain (15 Marks)
(b) What are the modes of operation? Explain real addressing mode. (10 Marks)
OR
2. (a) Draw the register organization of 80286. Explain the function of each register and flags
(10 Marks)
(b) Explain Protected virtual address mode of operation. (15 Marks)
3. (a) Draw the functional block diagram of 80386 and explain. (15 Marks)
(b) What is Paging? Explain paging mechanism. (10 Marks)
OR
4. (a) Explain the different pins and signals of 80486. (10 Marks)
(b) Explain address computation in PVAM when paging is enabled. (15 Marks)
5. (a) Draw and explain Intel Pentium architecture (20 Marks)
(b) Explain Pentium memory system. (5 Marks)
OR
6. (a) Explain the salient features of Pentium processor. (15 Marks)
(b) Explain branch prediction technique. (10 Marks)
7. (a) Explain the block diagram of 68HC11. (15 Marks)
(b) Explain ADC interface of 68HC11. (10 Marks)
OR
8. (a) Explain memory expansion of 8096. (15 Marks)
(b) With example explain I/O interfacing in 8096. (10 Marks)