Notes for Energy Conversion Devices - ECD by Verified Writer

DC Machines, Constructional Features, Methods of Excitation, Expression for EMF Induced, Torque Developed in the Armature,

DC Generators, No Load Characteristics for Separately Excited DC Generator, DC Shunt Generator, Conditions for Self Excitation, Critical Resistance, Critical Speed, Losses and Efficiency,

DC Motor, Speed Armature Current, Torque Armature Current and Speed Torque Characteristic for Separately Excited DC Motor, DC Shunt Motor, DC Series Motor, and iv DC Compound Motor, Speed control, Starting of DC shunt, DC series motors, Comparison Between Different types of DC Motors and their Application, DC Motor

TRANSFORMERS, Constructional Features, EMF Equation, Turns Ratio, Determination of Parameters From Tests, Open Circuit Test, Short Circuit Test, Equivalent Circuit, Losses, Efficiency, Introduction to Three Phase Transformers, Three Single Phase Transformers, Bank of Three Phase Transformer

Synchronous Machines, Constructional Features, Principle of operation as Alternator, Synchronous Motor, Synchronous Impedance, Voltage Regulation by Synchronous Impedance Method, Power-Angle curve, Synchronization of Alternators, Torque Expression, Phasor Diagram for Synchronous Motor, Electrical Power, Mechanical Power, Starting of Synchronous Motor,

Synchronous Motor

Three Phase Induction Motors, 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, Slip Ring, Wound Rotor type of Induction Motors, Speed Control of Induction Motors,

Single Phase Induction Motors and Commutator Motors, Revolving Field Theory, Split Phase capacitor start and run, Shaded Pole Starting of Single Phase Induction Motors, Speed Current, Torque-Current and Speed-Torque Characteristic for Single Phase AC Series Motor,