Subject Code: ee6604
UNIT I INTRODUCTION
1. Major considerations in Electrical Machine Design – Ch 1
2. Electrical Engineering Materials – Ch 2
3. Space factor –
4. Choice of Specific Electrical and Magnetic loadings – Ch 6.1.7,6.1.8
5. Thermal considerations – Ch 4
6. Heat flow – 4.1
7. Temperature rise and Insulating Materials – 4.5 and 2.9
8. Rating of machines – Ch 4.24
9. Standard specifications – Ch 23
UNIT II DC MACHINES
10. Output Equations and Main Dimensions – Ch 9.10
11. Choice of Specific Electric and Magnetic Loading – CH 9.10.1 , 9.10.2
12. Magnetic Circuits Calculations – Ch 3.4
13. Carter’s Coefficient and Net length of Iron – Ch 3.4.2
14. Real & Apparent flux densities – Ch 3.4.4
15. Selection of number of poles – Ch 9.12
16. Design of Armature – Ch 9.22 – 9.30
17. Design of commutator and brushes – Ch 9.49 – 9.52
18. Performance prediction using design values –
UNIT III TRANSFORMERS
19. Output Equations and Main Dimensions – Ch 5.29
20. kVA output for single and three phase transformers – Ch 5.29
21. Window space factor and Design of core and winding – Ch 5.41, 5.35, 5.38
22. Overall dimensions – Ch 5.45
23. Operating characteristics –
24. No load current – Ch 5.52
25. Temperature rise in Transformers – 5.54
26. Design of Tank – 5.55
27. Methods of cooling of Transformers – 5.56, 5.57
UNIT IV INDUCTION MOTORS
28. Output equation of Induction motor and Main dimensions – 10.9, 10.13
29. Choice of Average flux density and Length of air gap- 10.10, 10.21
30. Rules for selecting rotor slots of squirrel cage machines – 10.22.1
31. Design of rotor bars & slots – 10.23
32. Design of end rings – 10.24
33. Design of wound rotor – 10.26
34. Magnetic leakage calculations and Leakage reactance of polyphase machines – 10.31.3
35. Magnetizing current and Short circuit current – 10.30.1
36. Operating characteristics and Losses and Efficiency. 10.37
UNIT V SYNCHRONOUS MACHINES
37. Output equations and choice of Electrical and Magnetic Loading – 11.8
38. Design of salient pole machines and Short circuit ratio – 11.9, 11.10
39. Shape of pole face – 11.12
40. Armature design and Armature parameters – 11.13, 11.19
41. Estimation of air gap length – 11.20
42. Design of rotor and damper winding – 11.21,11.21.2
43. Determination of full load field mmf – 11.24
44. Design of field winding – 11.24
45. Design of turbo alternators and Rotor design –.11.30, 11.33
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