" Torque , Slip & Speed : Step-by-Step Understanding | JE & AE | Lecture -08 | Torque In Induction

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1. Introduction to Three-Phase Induction Motor
Basic construction and working principle
Types: Squirrel Cage & Wound Rotor (Slip Ring) Induction Motor
Advantages & Disadvantages
2. Construction & Operating Principle
Stator & Rotor Structure
Production of Rotating Magnetic Field (RMF)
Concept of Slip & Frequency Relation
3. Equivalent Circuit & Phasor Diagram
Per-phase Equivalent Circuit
Phasor representation
Power Flow Diagram
4. Torque and Performance Characteristics
Torque Equation
Torque-Slip Characteristics
Maximum Torque Condition
5. Starting & Speed Control Methods
DOL (Direct-On-Line) Starter, Auto Transformer Starter, Star-Delta Starter
Rotor Resistance Control, Voltage Control, Frequency Control
Pole Changing Method, V/f Control
6. Losses, Efficiency & Power Factor
Copper Loss, Iron Loss, Mechanical Loss
Power Factor & Improvement Techniques
7. Testing & Performance Evaluation
No-Load Test & Blocked Rotor Test
Load Test
8. Applications & Industrial Uses
Common applications in industries
Comparison with other motors