Electrical machine II | Jharkhand Polytechnic 5th Semester Question Bank EEE, EE

Jharkhand Polytechnic 5th Semester Question Bank Electrical and Electronics Engineering, Electrical Engineering

Download Jharkhand Polytechnic 5th Semester Question Bank Electrical and Electronics Engineering, Electrical Engineering Venus Publication EEE, EE

Electrical machine II

Chapter 1: 3 phase induction motor 1.1 construction of three phase induction motor 1.2 to production of rotation magnetic field 1.3 e principle of working / operation 1.4 concept of sleep 1.5 equation of rotar induced EMF coma current frequency resistance and impedance under study and running condition 1.6 torque equation of 3 phase induction motor 1.7 starting and running torque of squirrel cage and slip ring induction motor 1.8 condition of maximum and starting torque 1.9 torque slip characteristics of 3 phase induction motor 1.10 effect of change in rotor circuit resistance on torque slip characteristics 1.11 effect of change in supply voltage on torque slip characteristics 1.12 measurement of slip by a techno metre changing method frequency control method bi starter voltage controlled rotor resistance control 1.14 comparison bi phase induction motor numerical on all a verb 1.17 double cage IM a a construction b e characteristics of outer inner cage and combined characteristics c industrial application 1.18 i.am as the generalised transformer 1.19 vector diagram of IM 1.20 equation circuit of 3 phase I I am no numericals 1.12 starting of 3 phase induction motor a stator resistance tilter star delta structure c auto transformer starter d rotor resistance starter

Chapter 2: 3 Phase alternator 2.1 definition and construction of 3 phase alternator a armature bi rotor smooth cylindrical and projecting type two point two derivation of EMF equation of alternator which includes a coding factor b e e distribution factor 2.3 factors affecting the terminal voltage of alternator armature resistance drop leakage reactance drop armature reaction at various power factor and concept of synchronous impedance 2.4 regulation of three phase alternator by synchronous impedance method MMF method numericals on all above 

Chapter 3: Synchronous motor 3.1 principle of working / operating 3.2 synchronous motor on load with construction exact education 3.3 e effect on excitation at constant load 3.4 V curve and inverted V curve 3.5 hunting and switching 3.6 application 3.7 starting of synchronous motor 3.8 comparison between IM and synchronous motor numericals on all above

Chapter 4: Single phase motor double field revolving theory 4.2 types of single phase IM 4.3 split phasing principle of starting a resistance start inductance run capacitor start induction run c capacitor run d double value capacitor application motor 4.4 shaded pole induction motor 4.5 application chapter 5 special machines 5.1 induction generation principle operation construction and application 5.2 learning induction motor principle of operation construction and application 5.3 AC series motor principle of operation construction and application

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