4.1 Introduction4.2 Construction4.3 Specifications4.4 Output Equation of 3ϕ Induction Motor4.5 Choice of Specific Loadings4.5.1 Choice of Specific Magnetic Loading,‘Bav’4.5.2 Choice of Specific Electric Loading, ‘ac’4.6 Calculation of Main Dimensions (Separation of D and L)4.7 Design of Stator of Three-phase Induction Motor4.8 Calculation of Length of Air Gap4.9 Design of Rotor of 3ϕ Induction Motor4.9.1 Design of Squirrel Cage Rotor4.9.2 Design of Wound or Slip-ring Rotor4.10 Estimation of Operating Characteristics4.10.1 Core Loss Component4.10.2 Magnetizing Component4.11 Harmonic Torques4.11.1 Loss Component4.12 Short Circuit Current4.12.1 Stator Resistance4.12.2 Rotor Resistance4.13 Circle Diagram4.14 Dispersion Coefficient4.15 Computer-aided Design of Three-phase Induction MotorReview QuestionsMultiple-choice QuestionsShort Type QuestionsLong Type QuestionsProblems