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Course Detail

Course Name Power Electronics
Course Code 15EEE313
Program B. Tech. in Electrical and Electronics Engineering
Semester Sixth
Credits Campuses: Bengaluru, Coimbatore, Amritapuri
Year Taught 2015
Year Taught 2016
Year Taught 2017
Year Taught 2018

Syllabus

Unit 1

Power Semiconductor Switches: Controllable switch waveforms and power loss in clamped inductive switching circuit – Desirable characteristics in a switch – Temperature rise and use of heat-sinks. Structure, operation, steady state and switching characteristics, turning on and off, gate drive, rating and protection for power MOSFETs, IGBTs and Thyristors, Phase controlled converters: Single phase and three phase converters in CCM – Performance parameters – DCM operation – Inverter mode of operation — Effect of source inductance – Gate triggering circuits – Single phase dual converter. Non-sinusoidal analysis.

Unit 2

Single phase AC switching controllers with R and R-L loads – Thyristor controlled inductor – Three phase applications of switching control. Choppers: Applications. Step-down chopper with R load with L filter – Transient and steady state operations – Average and ripple load currents- Back emf loads – CCM and DCM – Input filter. Step-up chopper: Analysis, with CCM – Effect of frequency on DCM/CCM – Two Quadrant chopper with static changeover. High power factor front end converter.

Unit 3

Inverters: Applications – Half bridge inverter – Full bridge inverter with square wave and single pulse width modulated operations – Sine PWM scheme: Single phase full bridge with unipolar voltage switching, performance parameters, AC and DC side currents – Sinusoidal pulse width modulation for three phase inverters, Expressions for phase to neutral voltages – Current regulated modulation – Rectifier mode of operation of inverters – AC side filters – Schemes to generate triangular carrier and sinusoidal reference – Introduction to Space vector pulse width modulation – Multilevel inverter and UPS.

Text Books

  • Joseph Vithayathil, “Power Electronics”, Tata McGraw Hill, 2010.
  • Ned Mohan, Tore M. Undeland, William P. Robbins, “Power Electronics converters applicationsand design” Third edition, John Wiley & Sons, 2006.

References

  • Muhammad H. Rashid, “Power electronics – circuits, devices and applications” Third edition,
  • L. Umanand, “Power Electronics – Essentials and applications”, Wiley India Pvt. Ltd., 2009.

‘Power Electronics’ is a course offered in the sixth semester of B. Tech. in Electrical and Electronics Engineering program at School of Engineering, Amrita Vishwa Vidyapeetham.

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