# Electrical machines - I

- Institution: IIT Kharagpur
- Department: Electrical Engineering
- Taught by: Prof. D Kastha, Prof. Suman Maiti
- Level: Undergraduate
- Language: English
- Subjects: Engineering
- Source: [NPTEL](https://nptel.ac.in/courses/108105017)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/108105017)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Introduction](https://invisiblenetwork.ai/learn/nptel/108105017/da5fa447c721) (Video)
2. [Operating Principles and Construction of Single Phase Transformers](https://invisiblenetwork.ai/learn/nptel/108105017/484d1e259fd9) (Video)
3. [Modeling of Single Phase Transformers](https://invisiblenetwork.ai/learn/nptel/108105017/1e2cf5ba3d99) (Video)
4. [Equivalent Circuits of Single Phase Transformers](https://invisiblenetwork.ai/learn/nptel/108105017/3c68aad95dca) (Video)
5. [Testing of Single Phase Transformers](https://invisiblenetwork.ai/learn/nptel/108105017/55ab159615c3) (Video)
6. [Efficiency of Single Phase Transformers](https://invisiblenetwork.ai/learn/nptel/108105017/5ec0ee0bdb6a) (Video)
7. [Voltage Regulation of Single Phase Transformers](https://invisiblenetwork.ai/learn/nptel/108105017/0b7531ddefd2) (Video)
8. [Parallel Operation of Single Phase Transformers](https://invisiblenetwork.ai/learn/nptel/108105017/852160128189) (Video)
9. [Harmonics and Switching Transients in Single Phase Transformers](https://invisiblenetwork.ai/learn/nptel/108105017/690c6541cdbf) (Video)
10. [Introduction to Three Phase Transformer](https://invisiblenetwork.ai/learn/nptel/108105017/7068658d2e0e) (Video)
11. [Construction of Three Phase Transformers](https://invisiblenetwork.ai/learn/nptel/108105017/78fa85c61780) (Video)
12. [Three Phase Transformer Connections](https://invisiblenetwork.ai/learn/nptel/108105017/052b9e272127) (Video)
13. [Three Phase Transformer Phase Groups Part - I](https://invisiblenetwork.ai/learn/nptel/108105017/29f546efdb3d) (Video)
14. [Three Phase Transformer Phase Groups Part - II](https://invisiblenetwork.ai/learn/nptel/108105017/5b51ccb51535) (Video)
15. [Analysis and Testing of Three Phase Transformers](https://invisiblenetwork.ai/learn/nptel/108105017/df992ef4c228) (Video)
16. [Operation of Three Phase Transformers](https://invisiblenetwork.ai/learn/nptel/108105017/befd4c55f5a8) (Video)
17. [Auto Transformers](https://invisiblenetwork.ai/learn/nptel/108105017/85e80a26113a) (Video)
18. [Three Winding Transformers](https://invisiblenetwork.ai/learn/nptel/108105017/44dbc7ae649f) (Video)
19. [Scott Connected Transformers](https://invisiblenetwork.ai/learn/nptel/108105017/0d7b4bfacb57) (Video)
20. [Potential and Current Transformers](https://invisiblenetwork.ai/learn/nptel/108105017/4b5d38a93c55) (Video)
21. [Operating Principles of DC Machines](https://invisiblenetwork.ai/learn/nptel/108105017/ed308275c695) (Video)
22. [Constructional Features of DC Machines](https://invisiblenetwork.ai/learn/nptel/108105017/1ecd2e7b867d) (Video)
23. [Generated EMF and Torque in DC Machines](https://invisiblenetwork.ai/learn/nptel/108105017/cb92dd5c3557) (Video)
24. [Armature Reaction](https://invisiblenetwork.ai/learn/nptel/108105017/0a480318fae7) (Video)
25. [Commutation in DC Machines](https://invisiblenetwork.ai/learn/nptel/108105017/02abc8d6b0d6) (Video)
26. [Separately Excited DC Generators](https://invisiblenetwork.ai/learn/nptel/108105017/651ad2e9d87e) (Video)
27. [DC Shunt Generators](https://invisiblenetwork.ai/learn/nptel/108105017/a0e44774c0cf) (Video)
28. [Compound DC Generators](https://invisiblenetwork.ai/learn/nptel/108105017/a5ebe1e119ec) (Video)
29. [Interconnected DC Generators](https://invisiblenetwork.ai/learn/nptel/108105017/50cc888d4008) (Video)
30. [Characteristics of DC Shunt Motors](https://invisiblenetwork.ai/learn/nptel/108105017/79fed6b88ca4) (Video)
31. [Starting of DC Shunt Motors](https://invisiblenetwork.ai/learn/nptel/108105017/f526f485bb95) (Video)
32. [Speed Control of DC Shunt Motors](https://invisiblenetwork.ai/learn/nptel/108105017/925ca7f5f01c) (Video)
33. [Braking of DC Shunt Motors](https://invisiblenetwork.ai/learn/nptel/108105017/2a46be65517c) (Video)
34. [Electronic Control of DC Shunt Motors](https://invisiblenetwork.ai/learn/nptel/108105017/47d974490000) (Video)
35. [Testing of DC Shunt Motors](https://invisiblenetwork.ai/learn/nptel/108105017/f8cc85daa8d4) (Video)
36. [Characteristics of DC Series Motors](https://invisiblenetwork.ai/learn/nptel/108105017/15cf4fedbc6a) (Video)
37. [Starting and Braking of DC Series Motors](https://invisiblenetwork.ai/learn/nptel/108105017/60942653f9af) (Video)
38. [Speed Control and of DC Series Motors](https://invisiblenetwork.ai/learn/nptel/108105017/c316c62bdea6) (Video)
39. [Testing of DC Series Motors](https://invisiblenetwork.ai/learn/nptel/108105017/2773a5f14d05) (Video)
40. [Characteristics of Compound DC Series Motors](https://invisiblenetwork.ai/learn/nptel/108105017/45c682e42675) (Video)