This document provides the syllabus and teaching schedule for the course EE-321N Power Electronics-I. The course is worth 4 credits and covers various topics over 5 units across 45 total lectures. Unit 1 introduces power electronics and power devices, covering ideal switches, power diodes, thyristors, and thyristor protection circuits. Unit 2 covers thyristor triggering circuits using resistors, RC circuits, UJTs, and ICs. Units 3 and 4 cover single and three phase AC-DC controlled converters using full wave and semi converters with resistive and inductive loads. Unit 5 covers miscellaneous converters including switching angle control schemes, dual converters, and cycloconverters. References for further reading are also provided.

1. SYLLABUS & TEACHING SCHEDULE (SESSION 2012-13)
COURSE CODE (TITLE): EE-321N (POWER ELECTRONICS-I)
CREDITS: 04
UNIT/TITLE TOPIC LECTURES
1.
Introduction to
Power Electronics
& Power Devices
Introduction to power electronics, applications, types of converters 1
Ideal switch, requirements. Power diode, characteristics, types 2
Thyristor (SCR), characteristics, turn ON mechanism, methods 2
Thyristor ratings,
dv
dt
&
di
dt
protection, snubber circuits 2
Other thyristor types: DIAC, TRIAC, GTO 2
Total 9
2.
Triggering
Circuits
Thyristor gate characteristics, design considerations 2
Simple R, RC triggering circuits 2
UJT based triggering circuit 2
IC based triggering circuits 1
Driver & Isolation circuits for thyristors 2
Total 9
3.
Single Phase
AC-DC Controlled
Converters
Principle of AC phase control, half and full wave control
Full converters with R, RL loads, action of free-wheeling diode
Semi-converters with R, RL loads, voltage & current waveforms
and expressions
Performance analysis: THD, pf, ripple, efficiency etc.
Total 9
4.
Three Phase
AC-DC Controlled
Converters
Introduction, full converters with R, RL loads
Rectification & inversion operations
Effect of free-wheeling diode, semi-converters
Total 9
5.
Miscellaneous
Converters &
Control Schemes
Switching angle control schemes: cosine, ramp, digital and
equidistant pulses
4
Dual converters 1
Cyclo-converters 2
Total 9
GRAND TOTAL 45
References:
1. Rashid, M. H.* “Power Electronics: Circuits, Devices & Applications”, 3/e, Pearson-PH, New
Delhi, 2009.
2. Dubey, G. K.* et. al., “Thyristorised Power Controllers”, New Age International, New Delhi, 2006.
3. Subrahmanyam, V., “Power Electronics”, New Age International, New Delhi, 2006.
4. Agarwal, J. P., “Power Electronic Systems”, Pearson, 2007.
5. Asghar, M. S. J., “Power Electronics”, PHI, New Delhi, 2004.
6. Bimbhra, P. S., “Power Electronics”, Khanna Publishers, New Delhi, 2004.