Note for Electrical Machines 2 - EM2 By Deepak Kumar Sahoo

Faraday's Lawl,Electromechanical Energy

General principles of DC machines,Armature Windings (Simplex Lap and Simplex Wave), Expression for EMF Induced and Torque developed in the Armature counter Torque and Counter or Back EMF, Methods of Excitation, Armature Reaction, Commutation. DC Machine Characteristics: Conditions for Self Excitation, Critical Resistance and Critical Speed. Internal and External Characteristics for self and Separately Excited DC Generator. Characteristic for Speed~ Armature Current, Torque~ Armature Current and Speed~ Torque

OCC at Different Speed & Charecteistics

Connection And Operation Of DC Generator & Armature Reaction

Commutation

D.C Motor

Speed Regulation,Characteristics

Motor Starters,Speed Control,Application Of DC Motors

Testing Of DC Machines

Three Phase Synchronous Machines,Constructional Features; Principle of operation as Alternator and Synchronous Motor; Synchronous Impedance

Voltage Regulation Of Alternator

Salient Pole Type Three Phase Synchronous Generator

Parallel Operation Of Three Phase AC Synchronous Generator

Frequency-Real Power Characteristics Of Three Phase Synchronous Generator

Synchronous Motor

Constructional Features of Squirrel Cage Rotor type and Slip Ring/Wound Rotor type of Induction Motors, Principle of Operation; Concept of Slip, Slip Torque Characteristics; Starting of Squirrel Cage Rotor type and Slip Ring/Wound Rotor type of Induction Motors

Speed Control of Induction Motors

Single phase And Special Purpose Motors,Double Field Revolving Theory

AC Series And Universal Motor