Power Electronics (EC-604)
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B.Tech RGPV notes AICTE flexible curricula Bachelor of technology
Syllabus
UNIT 1:
Power Semiconductor Switches
Power diodes - Basic structure and V-I characteristics - various types - DIACs – Basic structure
and V-I characteristics – TRIACs - Basic structure and V-I characteristics
Power BJT: Construction and working principle, quasisaturation, primary breakdown,
secondary breakdown.
IGBTs - Basic structure and V-I characteristics.
Power MOSFETs - Basic structure and V-I characteristics
Thyristors - basic structure - static and dynamic characteristics - device specifications and
ratings - methods of turning on - gate triggering circuit using UJT
UNIT 2:
Rectifiers
Thyristors- series and parallel operation, methods of turning off - commutation circuits.
Line frequency phase controlled rectifiers using SCR
Single Phase – Half wave rectifier with R and RL loads – Full wave half controlled and fully
controlled converters with continuous and constant currents - Input side harmonics and power
factor - Effect of source inductance
Three Phase - Half wave rectifier with R and RL loads - Full wave fully controlled converters
with continuous and constant currents
UNIT 3:
Inverters & Cycloconverters Inverters – Single phase inverters – series, parallel and
bridge inverters. Single Phase Pulse Width Modulated (PWM) inverters – Basic circuit and
operation.
Single phase series resonant inverter, Single phase bridge inverters,Three phase bridge inverters,
Voltage control of inverters, Harmonics reduction techniques, Single phase and three phase
current source inverters
UNIT 4:
AC Voltage Controllers
Principle of On-Off and phase controls, Single phase ac voltage controller with resistive and
inductive loads Three phase ac voltage controllers (various configurations and comparison only),
Single phase transformer taps changer. Cyclo Converters-Basic principle of operation, single
phase to single phase, three phase to single phase and three phase to three phase cyclo
converters, output voltage equation
UNIT 5:
Choppers - Principle of operation - step-up and step-down choppers.
Switching regulators - Buck regulators - Boost regulators - Buck-boost regulators - Switched
mode power supply - principle of operation and analysis
NOTES
- Unit 1
- Unit 2
- Unit 3
- Unit 4
- Unit 5
Books Recommended
1. Ned Mohan, Power Electronics., John Wiley and Sons, 2nd edition, 1995.
2. Rashid, Power Electronics, Circuits Devices and Applications, Pearson Education, 3rd edition,
2004.
3. G.K.Dubey, Thyristorised Power Controllers, Wiley Eastern Ltd, 1993.
4. Dewan & Straughen, Power Semiconductor Circuits, John Wiley & Sons, 1975.
5. Cyril W Lander, Power Electronics, Mc Graw Hill, 3rd edition, 1993.
6. M.D. Singh and K.B.Khanchandani, “Power Electronics”Tata MC Graw Hill, 2005
7. P.C Sen, “Principles of Electric Machines and Power Electronics”, John Wiley & Sons, 2nd
Edition.
8. P.S Bhimbhra , “ Power Electronics”, Khanna Publishers, 2012