Course

Unit 1

Generalized theory of rotating electrical machines Modeling- Steady state and transient analysis of separately excited DC machines – Control of Brushed DC Motors in EV applications – Analysis with Simulation tools-Trends in EV Motors Rare Earth free Motors, Axial Motor.

Unit 2

Transformations in AC machine analysis – Introduction to reference frame theory -Application of reference frame theory to three phase symmetrical induction machines – Modeling Torque calculation – Steady state and transient analysis of induction machines. Control of Induction Motors – Scalar and Vector control Technique (FOC & DTC) – Introduction to sensor less control – Control for Regeneration mode. Steady state and transient behavior of synchronous machines Control of Permanent Magnet Synchronous Motors- Review of SPM – IPM concepts v/f control Vector control – MTPA control- Motor Control Lab – with different types of Motors used in EV (BLDC, AC Induction, PMSM, SRM, SynRM-IPM, EESM,) along with Motor Control algorithm modeling and practical demonstrations with Torque- Speed and other characteristics.

Unit 3

Control of Brushless DC motors – Drive operation with inverter – Torque speed curve Machine dynamic model – Drive control – Extended speed operation. Control of Switched Reluctance motors in the context of vehicle power train control. Closed loop control of Grid connected converters for V2G and G2V applications. Analysis with Simulation tools- Motor and Inverter Homologation testing standard(s) and test casesFunctional Safety requirements for Motor Drive Unit.

Text Books / References

References

1. C.Krause, Analysis of Electric Machines and Drive Systems, Wiley International, 2013.
2. Adkins, Generalized Machine Theory, McGraw-Hill, 1964.
3. Ramu Krishnan, Permanent Magnet Synchronous and Brushless DC Motor Drives, CRC Press, 2017
4. A.Lipo, Analysis of Synchronous Machines, CRC Press,2017
5. K T Chau, Electric Vehicle Machines and Drives – Design, Analysis and Application, IEEE Wiley Press, 2015
6. Krishnan, Ramu, Electric Motor Drives: Modeling, Analysis, and Control, Pearson Education India, 2015.
7. Bimal K. Bose, Modern Power Electronics and AC Drives, John Wiley & Sons, 2002.
8. Frede Blaabjerg ed., Control of Power Electronic Converters and Systems, Vol. 1 & 2, Academic Press, 2018.
9. Haitham Abu-Rub, Atif Iqbal and Jaroslaw Guzinski eds., High performance control of AC drives with MATLAB/Simulink models, John Wiley & Sons, 2012.

Course Objectives:

• To introduce design of mathematical model of DC and AC machines under transient and steady state conditions
• To impart knowledge on reference frame theory and its application for AC machine analysis
• To demonstrate the open and closed loop controllers for DC and AC Drives
• To provide insight on the control of grid connected converters for automotive applications

Course Outcomes

• CO01: Ability to develop mathematical model and analysis of DC and AC Machines for transient and steady state conditions
• CO02: Ability to apply reference frame theory to AC machines.
• CO03:Ability to analyze the open and closed loop controllers for various types of power converters and DC and AC Drives using scalar and vector controllers.
• CO04: Ability to investigate the control of grid connected converters for V2G and G2V

CO-PO Mapping

Skills Acquired: AC machine analysis, Drive control