ELECTRICAL MACHINES

Special Electrical Machines is a free Electrical Engineering handbook covering important course topics, detailed notes, diagrams, equations, formulas and study materials. Download this digital book and reference guide for ITI, Diploma, BE, BTech and other engineering degree courses. Explore 91 topics across 5 chapters on AC machines, induction motors, motor torque and slip, equivalent circuits, motor starting, speed control, single-phase motors, universal motors and alternators. Useful for university exams, GATE revision, viva, interviews, assignments, projects and quick reference. RELATED ENGINEERING BRANCHES Electrical Engineering, Electrical and Electronics Engineering (EEE), Power Engineering, Electronics Engineering, Instrumentation and Control Engineering, and Mechatronics. 58 UNIQUE LISTED TOPICS FROM 91 AC MACHINES & INDUCTION MOTOR BASICS 1. Polyphase AC Machines 2. Classification of AC Motors 3. Construction of AC Motors 4. Phase-Wound Rotor 5. Production of Rotating Field 6. Three-Phase Supply 7. Relation Between Torque and Rotor Power Factor 8. Starting Torque of Induction Motors 9. Torque, Rotor EMF and Reactance Under Running Conditions 10. Condition for Maximum Running Torque 11. Relation Between Torque and Slip 12. Full-Load, Starting and Maximum Torque 13. Torque-Speed Curve 14. Current-Speed Curve of an Induction Motor MOTOR PERFORMANCE & EQUIVALENT CIRCUITS 15. Plugging of an Induction Motor 16. Complete Torque-Speed Curve of a Three-Phase Machine 17. Measurement of Slip 18. Power Stages in an Induction Motor 19. Torque, Mechanical Power and Rotor Output 20. Induction Motor Torque Equation 21. Analogy with Mechanical Clutch and DC Motor 22. Sector Induction Motor 23. Magnetic Levitation 24. Induction Motor as a Generalized Transformer 25. Equivalent Circuit of Rotor and Induction Motor 26. Power Balance Equations 27. Circle Diagram for a Series Circuit 28. Circle Diagram for the Approximate Equivalent Circuit 29. Determination of G0 and B0 30. Blocked Rotor Test 31. Construction of the Circle Diagram MOTOR STARTING, SPEED CONTROL & TYPES 32. Starting of Induction Motors 33. Starting of Slip-Ring Motors 34. Starter Steps 35. Crawling and Cogging (Magnetic Locking) 36. Double Squirrel-Cage Motor 37. Speed Control of Induction Motors 38. Three-Phase AC Commutator Motors 39. Standard Types of Squirrel-Cage Motors SINGLE-PHASE & SPECIAL MOTORS 40. Types of Single-Phase Motors 41. Single-Phase Induction Motor 42. Double-Field Revolving Theory 43. Making Single-Phase Induction Motors Self-Starting 44. Equivalent Circuit of Single-Phase Induction Motor Without Core Loss 45. Types of Capacitor-Start Motors 46. Capacitor Start-and-Run Motor 47. Shaded-Pole Single-Phase Motor 48. Repulsion-Type Motors 49. Repulsion Principle 50. Compensated Repulsion Motor 51. AC Series Motors 52. Universal Motor 53. Speed Control of Universal Motors 54. Unexcited Single-Phase Synchronous Motors ALTERNATORS & WINDINGS 55. Basic Principle and Stationary Armature of Alternators 56. Construction Details 57. Damper Windings, Speed and Frequency 58. Armature Windings: Concentric, Chain and Two-Layer Windings APP FEATURES • Chapter-wise notes and mobile-optimized diagrams • Comfortable reading mode and simple navigation • Important material for exams and technical interviews Study Special Electrical Machines as a free course companion for motor theory, machine performance and practical electrical engineering concepts.