Power Electronics 1 (3140915) Syllabus :
Syllabus
1 Power switching devices
Diode, Thyristor, MOSFET, IGBT; Static characteristics of these devices; Operation of
power devices as switches and switching losses, Single-quadrant switches, two-quadrant
and bidirectional switches; Firing circuit for thyristors; Gate drive circuits for MOSFET
and IGBT.
2 DC-DC converters - Switching Voltage Regulators
Linear voltage regulator, Concept of switching voltage regulators and advantages,
Operation and Principle of Basic DC-DC converter topologies like Buck, Boost and BuckBoost converter, Various control techniques for output voltage control, Mathematical
analysis for these converters for steady state, Concept of CCM and DCM and factors
affecting them, Closed loop control for voltage regulation, Isolated converters: Forward
converter and Flyback converter; Multi-quadrant operation of DC-DC converters;
Applications
3 DC-AC converters – Inverters
Classification of Inverters, Half-bridge and full-bridge single-phase voltage source
inverter, switch states and instantaneous output voltage, square wave operation of the
inverter, concept of average voltage over a switching cycle, bipolar sinusoidal modulation
and unipolar sinusoidal modulation, modulation index and output voltage, three-phase
sinusoidal modulation, Three phase bridge inverter – 180◦ and 120◦ conduction mode,
SPWM control, Third harmonic injection, SVPWM, Output voltage and frequency
control, Harmonic spectrum, Harmonics and its effects, Applications.
4 AC-DC Converters
Concept of phase control using half-wave single phase ac-dc converter, Single phase and three phase half wave and full wave, 1-phase and 3- phase half controlled and fully
controlled converters, Analysis with R & RL load, Performance parameters for converters,
Operation in continuous and dis-continuous mode, Reactive power considerations,
Operation in conversion and inversion mode, Effect of source inductance, Power factor
improvement techniques, Dual Converters, Applications.
5 AC Voltage Controller
Triac characteristic and operating modes, Triac as Single-phase AC voltage controller,
Principle of Phase Control, On-off Control, Mathematical analysis related to single-phase
AC voltage controller, Three-phase AC voltage controller configurations: Operations,
Waveforms, Analysis;
6 Miscellaneous Frequency Control
Introduction to cycloconverter and matrix converter; basic power
circuit and their operating principle (2 Hrs)
Datasheet interpretation, Ratings of the devices and Selection of switches (2 Hrs)
Overvoltage, overcurrent and short-circuit protection; Electromagnetic interference and its
remedies; Snubber circuit and its design (3 Hrs)
| Syllabus | Download |
|---|---|
| Power Electronics | Click Here |
Power Electronics - IMP Question :
| Units | Download |
|---|---|
| Power Electronics IMP Question | Click Here |
Chapter-Wise PPTs/Notes :
| Units | Download(Notes) | Download(PPT) |
|---|---|---|
| Power Electronics (MadeEasy) | Click Here | - |
| Power Switching Device | Click Here | - |
| DC AC Converters and Inverters | Click Here | - |
| AC Voltage Controller | Click Here | - |
| Miscellaneous | Click Here | - |
Power Electronics Old Papers :
| Year(Winter/Summer) | Question Paper |
|---|---|
| Winter 2020 | Click Here |
| Winter 2021 | Click Here |
| Summer 2020 | Click Here |
| Summer 2021 | - |
Power Electronics Books :
| Books | Download |
|---|---|
| Power Electronic by Daniel W. hart | Click Here |
| PE Handbook by Muhammad H. Rashid | Click Here |
| Power Electronic Notes by MadeEasy | Click Here |
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