# Fundamentals of Electric Drives

- Institution: IIT Kanpur
- Department: Electrical Engineering
- Teacher: Prof. Shyama Prasad Das
- Level: Undergraduate
- Language: English
- Subjects: Engineering
- Source: [NPTEL](https://nptel.ac.in/courses/108104140)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/108104140)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Lecture-1: Introduction to Electric Drives](https://invisiblenetwork.ai/learn/nptel/108104140/b2c5fa2e4610) (Video)
2. [Lecture-2: Dynamics of Electric Drives, Four Quadrant Operation, Equivalent Drive Parameters](https://invisiblenetwork.ai/learn/nptel/108104140/e6b5ac07517e) (Video)
3. [Lecture-3: Equivalent Drive Parameters, Friction Components, Nature of Load Torque](https://invisiblenetwork.ai/learn/nptel/108104140/6dc3431e0dab) (Video)
4. [Lecture-4: Steady State Stability, Load Equalization](https://invisiblenetwork.ai/learn/nptel/108104140/e077fffda652) (Video)
5. [Lecture-5: Load Equalization, Characteristics of DC Motor](https://invisiblenetwork.ai/learn/nptel/108104140/ccc8feaf5a98) (Video)
6. [Lecture-6: Speed Torque Characteristics of Separately Excited DC Motor and Series DC Motor](https://invisiblenetwork.ai/learn/nptel/108104140/010cc6a7b274) (Video)
7. [Lecture-7: Field Control of Series Motor, Motoring and Braking of Separately Excited and Series DC motors](https://invisiblenetwork.ai/learn/nptel/108104140/ae346a4ab60c) (Video)
8. [Lecture-8: Speed Control of Separately Excited DC Motor Using Controlled Rectifiers](https://invisiblenetwork.ai/learn/nptel/108104140/7821538219ef) (Video)
9. [Lecture-9: Analysis of Single Phase Full Controlled Converter-fed Separately Excited DC Motor](https://invisiblenetwork.ai/learn/nptel/108104140/f5e9a13520a3) (Video)
10. [Lecture-10: Speed Torque Characteristics of Full Controlled Converter-fed Separately Excited DC Motor, Analysis of Single Phase Half Controlled Converter-fed Separately Excited DC Motor](https://invisiblenetwork.ai/learn/nptel/108104140/3459ca9451b4) (Video)
11. [Analysis of Single Phase Half Controlled Converter-fed Separately Excited DC Motor.](https://invisiblenetwork.ai/learn/nptel/108104140/8e7ba07d1f3f) (Video)
12. [Three Phase Full Controlled Converter-fed Separately Excited DC Motor, Multi-quadrant Operation of DC Motor](https://invisiblenetwork.ai/learn/nptel/108104140/d8604ddd0538) (Video)
13. [Dual Converter-fed DC Motor, Multi-quadrant Operation Using Field Current Reversal](https://invisiblenetwork.ai/learn/nptel/108104140/4b3d8cc7217a) (Video)
14. [DC Chopper-fed Separately Excited DC Motor for Motoring and Braking](https://invisiblenetwork.ai/learn/nptel/108104140/0e330b8dd0fe) (Video)
15. [Two-quadrant DC Chopper, Four-quadrant DC Chopper](https://invisiblenetwork.ai/learn/nptel/108104140/36351485fea9) (Video)
16. [Lecture 16: Dynamic Braking of DC Motor by Chopper Controlled Resistor, Closed-loop Operation of DC Drives, Induction Motor Drives](https://invisiblenetwork.ai/learn/nptel/108104140/a0171e6fb73e) (Video)
17. [Lecture 17: Speed Torque Characteristics of Induction Motor, Operation of Induction Motor from Non-sinusoidal Supply](https://invisiblenetwork.ai/learn/nptel/108104140/2b098c18cee0) (Video)
18. [Lecture 18: Operation of Induction Motor from Non-sinusoidal Supply](https://invisiblenetwork.ai/learn/nptel/108104140/23859936dec2) (Video)
19. [Lecture 19: Stator Current of Induction Motor with Non-sinusoidal Supply, Operation of Induction Motor with Unbalanced Voltage Supply](https://invisiblenetwork.ai/learn/nptel/108104140/4098b9fbac13) (Video)
20. [Lecture 20: Single Phasing of Induction Motor, Braking of Induction Motor](https://invisiblenetwork.ai/learn/nptel/108104140/4f7f83e0d357) (Video)
21. [Lecture 21: Dynamic braking of induction motor, AC dynamic braking, DC dynamic braking](https://invisiblenetwork.ai/learn/nptel/108104140/3161f94c875b) (Video)
22. [Lecture 22: Analysis of DC dynamic braking of induction motor](https://invisiblenetwork.ai/learn/nptel/108104140/b5ba703b8588) (Video)
23. [Lecture 23: Self-excited dynamic braking of induction motor, Speed control of induction motor using stator voltage regulator, Variable voltage variable frequency control](https://invisiblenetwork.ai/learn/nptel/108104140/bdb7470f3b67) (Video)
24. [Lecture 24: Variable voltage variable frequency control of induction motor, Open loop V/F control](https://invisiblenetwork.ai/learn/nptel/108104140/788adf498266) (Video)
25. [Lecture 25: Slip speed control of induction motor, Constant Volt/Hz control with slip speed regulation](https://invisiblenetwork.ai/learn/nptel/108104140/aff1426cb08a) (Video)
26. [Lecture 26: Closed-loop Volt/Hz control of induction motor with slip speed regulation, Multi-quadrant operation of induction motor drive](https://invisiblenetwork.ai/learn/nptel/108104140/f2b4712fb7f7) (Video)
27. [Lecture 27: Current Source Inverter (CSI) fed induction motor drive](https://invisiblenetwork.ai/learn/nptel/108104140/f97780b801e6) (Video)
28. [Lecture 28: Closed-loop operation of current source inverter (CSI) fed induction motor drive, Control of slip ring induction motor - Static rotor resistance control](https://invisiblenetwork.ai/learn/nptel/108104140/3e5713a780b9) (Video)
29. [Lecture 29: Closed-loop operation of slip ring induction motor with static rotor resistance control, Slip power recovery in slip ring induction motor - Static Kramer drive](https://invisiblenetwork.ai/learn/nptel/108104140/087e6610ccf5) (Video)
30. [Lecture 30: Static Kramer drive and its closed-loop control, Introduction to synchronous motor](https://invisiblenetwork.ai/learn/nptel/108104140/a74a447fb4c9) (Video)
31. [Lecture 31: Various types of synchronous motors, Equivalent circuit and phasor diagram of cylindrical synchronous motor, Speed-torque characteristics of cylindrical synchronous motor](https://invisiblenetwork.ai/learn/nptel/108104140/59dd5c149725) (Video)
32. [Lecture 32: Phasor diagram of salient pole synchronous motor, Expression of power and torque for a salient pole synchronous motor, Synchronous reluctance motor, Open-loop V/f control of synchronous motor](https://invisiblenetwork.ai/learn/nptel/108104140/1550eeb24ef3) (Video)
33. [Lecture 33: Open-loop V/f control, Torque-speed characteristics, Self controlled synchronous motor drive employing load commutated thyristor inverter](https://invisiblenetwork.ai/learn/nptel/108104140/51adcaca9b40) (Video)
34. [Lecture 34: Detailed analysis of commutation of load commutated thyrisor inverter, Derivation of overlap angle and margin angle, Closed-loop speed control scheme for load commutated inverter-fed synchronous motor drive](https://invisiblenetwork.ai/learn/nptel/108104140/f02d661925ad) (Video)
35. [Lecture 35: Low cost brushless DC motor (BLDCM), Trapezoidal permanent magnet AC motor](https://invisiblenetwork.ai/learn/nptel/108104140/ef8bc0bd02bf) (Video)
36. [Lecture 36: Trapezoidal permanent magnet AC motor, Derivation of power and torque, Closed-loop control of trapezoidal BLDC motor, Introduction to switched reluctance motor](https://invisiblenetwork.ai/learn/nptel/108104140/db63f7a45e14) (Video)
37. [Lecture 37: Construction and operating principle of switched reluctance motor](https://invisiblenetwork.ai/learn/nptel/108104140/483f20a88b1b) (Video)
38. [Lecture 38: Current/ voltage control for switched reluctance motor, operating modes of switched reluctance motor, Introduction to traction drives](https://invisiblenetwork.ai/learn/nptel/108104140/71bb18978b6a) (Video)
39. [Lecture 39: Current collector for mainline trains, Nature of traction load, Duty cycle of traction drives](https://invisiblenetwork.ai/learn/nptel/108104140/1f63aee83c66) (Video)
40. [Lecture 40: Duty cycle of traction drives, Distance between two stops, Calculation of total tractive effort and drive rating](https://invisiblenetwork.ai/learn/nptel/108104140/1fa7021caef5) (Video)
41. [Live Session 20-09-2019](https://invisiblenetwork.ai/learn/nptel/108104140/b2c5fa2e4610-2) (Video)