Course

Unit 1

Overview of power semiconductor devices I-V and switching characteristics: Power BJT – Thyristors – Power Diodes MOSFET – IGBT – IGCT – Introduction to Intelligent Power Modules (IPM) and Wide band gap power semiconductor devices (SiC, GaN) – device data sheet Interpretation. Evaluation of Losses in Semiconductor switches – Design of Heat sinks -Snubber circuits and driver circuits.Power Computations for Non-sinusoidal Periodic Waveforms.

Unit 2

DC/DC converters for automotive applications – Design and analysis of Buck-Boost – PFC – boost, interleaved boost, and bridgeless totem pole, Isolated DC/DC -CLLC, DAB, PSFB, Bi-directional Power converter design and close loop control, High frequency inductor and transformer design.

Unit 3

DC/AC converters – Voltage source inverters- single and three phase Sinusoidal PWM and Space vector PWM – DC side current of PWM inverter – Current regulated PWM -Introduction to Multilevel inverters – Concept of Grid synchronization – Synchronous reference frame control and Hysteresis control AC-DC converters – Uncontrolled rectifiers – single and three phase On Board Charger (OBC) with 400V/12V Isolated DCDC Performance parameters. Rectifier and inverter Mode of operation-G2V and V2G operation in EVs . Introduction of EMI, EMC inference and standards. Testing standards and functional safety. Design and Analysis of Power Converters using PSIM/LTSPICE, MATLAB.

Text Books / References

References:

1. Emadi, Ali, Advanced Electric Drive Vehicles, CRC Press, 2014.
2. Muhammad H. Rashid, Power Electronics, Circuits, Devices and Applications, Fourth Edition, Pearson, 2014.
3. Randall Shaffer, Fundamentals of Power Electronics with MATLAB, Firewall Media, 2013. 4. Wengang Wayne Bi, Haochung Henry Kuo, Peicheng Ku, and Bo Shen, eds., Handbook of GaN Semiconductor Materials and Devices, CRC Press, 2017.
4. Daniel Hart, Power Electronics, McGraw-Hill, 2011.
5. Ned Mohan, Tore M. Undeland and William P.Robbins, Power Electronics, Converters, Applications and Design, Third Edition, John Wiley and Sons Inc., 2006.
6. John G. Kassakian, Martin F.Schlecht and George C.Verghese, Principles of Power Electronics, Addison Wesley, 1991.
7. Kothari D.P. and Nagrath I.J., “Electric Machines”, Tata McGraw-Hill Publishing Company Limited, New Delhi 2004.
8. Stephen J. Chapman, ‘Electric Machinery Fundamentals’4th edition, McGraw Hill Education Pvt. Ltd, 2010. References:
9. G. Say, “Performance and Design of Direct Current Machines”, CBS publishers, New Delhi, 1993.
10. Fitzgerald A.E., Charles Kingsley, Jr. and Stephen D. Umans, “Electric Machinery”, Tata McGraw-Hill Publishing Company Limited 2002.

Course Objectives

• To introduce various power electronic devices, and power converters
• To impart knowledge on design and performance analysis of power converters for automotive applications.
• To demonstrate control of various power converter circuits

Course Outcomes

• CO01: Ability to understand various power semiconductor devices, converters and their performance analysis.
• CO02: Ability to design various power electronic converters and their auxiliary elements for automotive applications.
• CO03: Ability to develop controls for AC-DC, DC-DC and DC-AC converters for automotive applications.
• CO04: Ability to evaluate the performance of various power electronic converters.

CO-PO Mapping:

Skills Acquired: Power semiconductor devices, Power Converters