power electronics

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FORMAT : QP09

KCE/DEPT. OF EEE

DEPARTMENT OF ELECTRICAL AND ELECTRONICS
ENGINEERING
COURSE PLAN
Sub. Code : EE6503
III /V
Sub.Name : Power Electronics
Staff Name
: Mr.P.Narasimman

Branch / Year / Sem : B.E EEE /
Batch

: 2013-2017
Academic Year

COURSE OBJECTIVE
1. To get an overview of different types of power semiconductor devices and their
switching characteristics.
2. To understand the operation, characteristics and performance parameters of
controlled
rectifiers
3. To study the operation, switching techniques and basics topologies of DC-DC
switching regulators.
4. To learn the different modulation techniques of pulse width modulated inverters
and to understand harmonic reduction methods.
5. To study the operation of AC voltage controller and various configurations.
TEXT BOOKS
T1. M.H.Rashid, ‘Power Electronics: Circuits, Devices and Applications’, Pearson
Education,
PHI Third Edition, New Delhi, 2004.
T2. P.S.Bimbra “Power Electronics” Khanna Publishers, third Edition, 2003.
REFERENCES:
1. Joseph Vithayathil,’ Power Electronics, Principles and Applications’, McGraw Hill Series, 6th
Reprint, 2013.
2. Ashfaq Ahmed Power Electronics for Technology Pearson Education, Indian reprint, 2003.
3. Philip T. Krein, “Elements of Power Electronics” Oxford University Press, 2004 Edition.
4. Ned Mohan, Tore. M. Undel and, William. P. Robbins,‘ Power Electronics: Converters, Applications
and Design’, John Wiley and sons, third edition,2003.
5. Daniel.W.Hart, “Power Electronics”, Indian Edition, Mc Graw Hill, 3rd Print, 2013.
6. M.D. Singh and K.B. Khanchandani, “Power Electronics,” Mc Graw Hill India, 2013.

WEB RESOURCES
W1.http://www.ijcee.org/papers/343-E919.pdf

(Topic.No:1-7)
W2.http://www.nptel.ac.in/courses/Webcoursecontents/IIT%20Kharagpur/Power
%20El

PE 3

KCE/EEE/QB/III YR/PE

FORMAT : QP09

KCE/DEPT. OF EEE

ectronics/PDF/L-19(SSG)(PE)%20((EE)NPTEL)%20.pdf
(Topic.No:1-12)
W3.http://www.nptel.ac.in/courses/Webcoursecontents/IIT%20Kharagpur/Power
%20Ele
ctronics/PDF/L-17(NKD)(PE)%20((EE)NPTEL)%20.pdf
(Topic.No:1-11)
W4.https://www.eal.ei.tum.de/fileadmin/tueieal/www/courses/PE/tutorial/20132014W/08_Space_vector_modulation.pdf
(Topic.No:1-10)
W5.http://www.nct-tech.edu.lk/Download/Technology%20Zone/Power%20Factor
%20
Improvement.pdf
(Topic.No:1-24)

Topi
c No

Topic

Books
for
Referen
ce

UNIT I
(9)
1. Study
of
switching
devices
2. structure, Ton-Toff ,
V-I characteristics of
Diode & SCR
3. Structure, Ton-Toff ,
V-I characteristics of
TRIAC
4. Structure, Ton-Toff ,
V-I characteristics of BJT
&
GTO
5. Structure, Ton-Toff ,
V-I characteristics of
IGBT
6. Structure, Ton-Toff ,
V-I characteristics of
MOSFET
7.

Switching losses

8. Driver

and
circuit
9. Triggering and
Commutation
for
SCR
PE 4

snubber
circuits

Page
No.

Teaching
Methodolo
gy

No. of
Hours
Require
d

Cumulativ
e No. of
periods

POWER SEMI-CONDUCTOR DEVICES
T2

1-5

BB

1

1

T2

62-93

BB

2

3

T2

123124

BB

1

4

T2

10-19

BB

1

5

T2

24-27

BB

1

6

T2

20-23

BB

1

7

T2

68-78

BB

1

8

T2

94-103

BB

T2

160174

BB

1

9

KCE/EEE/QB/III YR/PE

FORMAT : QP09

KCE/DEPT. OF EEE

LEARNING OUTCOME
At the end of unit, students should be able to
1. Describe the basic operations of power semiconductor switches used for
power conversion.
2. Explain the various gate triggering circuits.
UNIT II
PHASE-CONTROLLED CONVERTERS
(9)
10.
11.
12.

2-pulse converters

T2

3-pulse converters

T2

6-pulse converters

T2

13. Effect

of
source
T2
inductance
14. Performance
T2
parameters
15. Gate Circuit Schemes
W1
for
Phase Control
16.

Dual converters

T2

175201
214220
210214
221225
225227

CBT & PPT

2

11

CBT & PPT

1

12

CBT & PPT

2

14

CBT & BB

1

15

BB

1

16

-

BB

1

17

228235

BB

1

18

LEARNING OUTCOME
At the end of unit, students should be able to
 Analyze and design AC to DC converter.
 Use of power conversion techniques for various applications.
UNIT III
DC TO DC CONVERTER
(9)
17. Step-down and step-up
248T2
CBT & PPT
2
20
254
chopper
18. control strategy
T1,W3
170
BB
2
22
19. Forced commutated

chopper
20. Voltage commutated,

W2

Current commutated &
Load
commutated
21. Switched
mode
T1
regulators
Buck & boost
22. buck- boost converter
T1

-

BB

2

24

186190

BB

1

25

194203

BB

1

26

23. Introduction

to
T1
352
BB
1
Resonant
Converters
LEARNING OUTCOME
At the end of unit, students should be able to
 Analyze and design DC to DC converters.
 Describe the performance parameters of controlled rectifiers.
Topi
c No
PE 5

Topic

Books
for

Page
No.

Teaching
Methodolo

No. of
Hours

KCE/EEE/QB/III YR/PE

27

Cumulativ
e No. of

FORMAT : QP09

KCE/DEPT. OF EEE

Referen
ce

gy

UNIT IV
(9)
24.

Single phase inverters

T2

(both 120o mode and T2
180o mode) inverters
27.

PWM techniques

T2

Sinusoidal PWM

T2

28. Modified

sinusoidal

PWM
29.

periods

INVERTERS

25. Three phase

26.

Require
d

Multiple PWM

T2
T2

30. Introduction

to space
W4
vector modulations
31. Voltage and harmonic
control
T2
32. Current source inverter

T2

309336

CBT & PPT

2

29

337347

CBT & BB

2

31

349

NPTEL

2

33

BB

1

34

BB

1

35

BB

1

36

354356
356359
351354
347349
359362
363377

BB
BB
BB

LEARNING OUTCOME
At the end of unit, students should be able to
 Explain the working principle of single phase and three phase inverters.
 Describe the various pulse width modulation techniques in inverters
UNIT V
AC TO AC CONVERTERS
(9)
33. Single phase AC
396T2
CBT & PPT
2
38
407
voltage controllers
34. Multistage sequence
T2
409
BB
1
39
control
35.

Single cyclo-converters

36. Three

phase
Cyclo-converters
37. Introduction to Integral
cycle control,
38.
39.

T2
T2
T2

414419
419425
393395

BB

1

40

BB

2

42

BB

1

43

Power factor control

W5

-

BB

1

44

Matrix converters

T1

536537

BB

1

45

LEARNING OUTCOME
At the end of unit, students should be able to
 Explain the working principle of single phase ON-OFF type of ac voltage
controller.
 Explain various types of cycloconverter.
COURSE OUTCOME
PE 6

KCE/EEE/QB/III YR/PE

FORMAT : QP09

KCE/DEPT. OF EEE

At the end of the course, the students will be able to
 Use different components of thyristor family for converting ac electrical
power to dc power.
 Understand the principles of operation of power converters.
CONTENT BEYOND THE SYLLABUS

1. Multilevel Inverter
INTERNAL ASSESSMENT DETAILS
ASST. NO.
I
II
MODEL
Topic Nos.
1 - 12
13-23
1- 39
Date

ASSIGNMENT DETAILS
ASSIGNMEN
T
Topic Nos.
for
reference
Deadline

I

II

1-

ASSIGNMENT I (10)
ASSIGNMENT II (20)
Descriptive Questions
1. Briefly discuss the V-I characteristics 1. Design the circuit for single phase
AC-AC converter and test the result.
of SCR,
Specification: SCR Module
MOSFET and IGBT.
2. Describe about any one driver circuit 2. Design the circuit for TRIAC based
and snubber circuit for MOSFET and
lamp control.
IGBT.
Specification: TRIAC module,40W
lamp
3. A single phase semi converter is 3. Design chopper based speed control
operated from 120 V 50 Hz ac
of electric motor.
supply. The load current
Specification: MOSFET module
with an average value Idc is
continuous and ripple free firing
angle α = π/6. Determine.
(a) Displacement factor.
(b) Harmonic factor of input current.
(c) Input power factor. d) Draw the
PE 7

KCE/EEE/QB/III YR/PE

FORMAT : QP09

KCE/DEPT. OF EEE

voltage and current waveform.

4. Compare
the
performance 4. Develop model for speed control
characteristics of MOSFET, IGBT and
system of electric motor in clockwise
BJT.
and anticlockwise directions.
Specification: H-bridge module
5. A 3-phase full converter charges a 5. Develop a simulation model of DCbattery from a three-phase supply of
DC converter and implement using
230V; 50Hz. The battery emf is 200V
hardware.
and its internal resistance is 0.5ohm.
Specification: Mat lab Software
On account of inductance connected
in series with the battery, charging
current is constant at 20A.Comput
the firing angle delay and supply
power factor.

Prepared by
Verified By

Mr.P.NARASIMMAN
HOD/EEE

Approved by

PRINCIPAL
REVIEW SHEET

PE 8

KCE/EEE/QB/III YR/PE

FORMAT : QP09

KCE/DEPT. OF EEE

After Completion of syllabus
Faculty experience in handling / covering syllabus
Unit I

:

Unit II :
Unit III :
Unit IV :
Unit V

:

Difficulties (if any)

Feedback on University Question Paper

SIGNATURE OF STAFF
HOD/EEE

PE 9

KCE/EEE/QB/III YR/PE

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