1. Summary of Material on Electric Drives Covered on July 24, 2019

2. Seamless discussion of dynamic control and encoder-less operation

3. What is an Electric-Motor Drive?
Harnessing of Wind Energy
Hybrid Electric Vehicles

4. Power Processing Unit
Reference Book: First Course on Power Electronics by Ned Mohan, published by MNPERE (See for details).

5. Introduction to AC Machines
Primary AC motor drives
Induction motors
Permanent Magnet Brushless (Synchronous Motors)

6. Sinusoidally-distributed Stator Windings

7. Space Vector to Represent Sinusoidal Distributions
At time ‘t’

8. Space Vectors Representation of Combined Phase Currents and Voltages

9. Physical interpretation of

10. Balanced Sinusoidal Steady-State Excitation (Rotor Open-Circuited)

11. Relation Between Space Vectors and Phasors

12. Permanent-Magnet AC (PMAC) Drives

13. Structure of Permanent-Magnet Synchronous Machines

14. Principle of Operation

15. Torque Calculation

16. Similarity Between DC Motor and Brushless DC Motor

17. Induction Motors: Balanced, Sinusoidal Steady State Operation

18. Structure

19. Electrically Open-circuited Rotor

20. Short-circuiting the Rotor (Rs, Ls,leakage = 0)
Transformer Analogy

21. Induced Voltages in Rotor

22. Induced Currents in Rotor

23. Rotor MMF

24. Slip frequency (fslip) in the rotor circuit

25. Electromagnetic Torque Production

26. Torque – Speed Characteristics

27. Generator Mode

28. Rotor Leakage Inductance

29. Per-Phase Equivalent Circuit

30. Stator Winding Resistance and Leakage Inductance

31. Characteristics at Rated Voltage and Rated Frequency

32. Motor Currents, Efficiency, Power Factor As a Function of Load

33. Induction Motor Speed Control

34. Operating with

35. Maintaining

36. Adjusting Voltage

37. Capability Below and Above Rated Speed