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Electrical Electonics and Comunication Engineering EEE ECE

Electrical Machines II - EE6504

SYNCHRONOUS GENERATOR


-> Fundamental Principles of A.C. Machines
-> E.M.F. equation of an elementary alternator single phase
-> E.M.F. equation of an elementary alternator three phase
-> Relation between speed and frequency
-> Factors affecting the induced emf (Coil Pitch and Distributed Windings) - Synchronous Generator
-> Armature Reaction - Synchronous Generator
-> Synchronous Generators
-> Open circuit characteristic (OCC) and Short Circuit Characteristics (SCC) of a Synchronous generator
-> Armature Reaction Reactance - Synchronous Generators
-> Synchronous reactance
-> Short Circuit Ratio (SCR) - Synchronous Generator
-> Load Characteristics - Synchronous Generator
-> Potier Reactance - Synchronous Generator
-> Voltage Regulation - Synchronous Generator
-> Methods of finding Voltage Regulation in Synchronous Generator
-> Power angle characteristics
-> Salient pole alternators and Blondel's Two Reaction Theory
-> Direct-axis and Quadrature-axis Synchronous Reactances
-> Power Angle Characteristic of Salient Pole Machine
-> Slip Test
-> Parallel Operation of Alternators
-> Synchronizing Current
-> Effect of Change of Excitation
-> Effect of Change of Input Torque
-> Sharing of load when two alternators are in parallel
-> Prime-mover Governor Characteristic
-> Important Short Questions and Answers: Synchronous Generator

SYNCHRONOUS MOTOR


-> Synchronous Motors: Construction, Operating Principle, Equivalent Circuit
-> Phasor Diagram - Synchronous Motors
-> Torque and Power Relations
-> V-Curves and Inverted V-Curves
-> Effect of Changing Field Excitation at Constant Load
-> Synchronous Condenser and its Advantages, Disadvantages
-> Methods of starting synchronous motor
-> Performance Characteristic of Synchronous Motors
-> Hunting and Damper Winding
-> Synchronous Induction Motor
-> Important Short Questions and Answers: Synchronous Motors

THREE PHASE INDUCTION MOTOR


-> Three Phase Induction Motor
-> Types and Construction of Three Phase Induction Motor
-> Squirrel cage Induction Motors
-> Slip ring Induction Motors
-> Principle of Operation - Three Phase Induction Motor
-> Rotating Magnetic Field and Induced Voltages
-> Alternate Analysis for Rotating Magnetic Field
-> Phasor Diagram of Three Phase Induction Motor
-> Equivalent Circuit of Three Phase Induction Motor
-> Power and Torque Relations of Three Phase Induction Motor
-> Induction Motor Torque
-> Rotor Output
-> Circle Diagram - analyse the three phase induction motor performance
-> Tests to Determine the Equivalent Circuit Parameters - Induction Motor
-> Construction of Circle Diagram - Induction Motor
-> Performance Characteristics of Three phase Induction Motor
-> Operation with Unbalanced Supply Voltage on Polyphase Induction Motors
-> Important Short Questions and Answers: Three Phase Induction Motor

STARTING AND SPEED CONTROL OF THREE PHASE INDUCTION MOTOR


-> Methods of Starting Three Phase Induction Motors
-> Starting of Slip-Ring Induction Motors
-> Speed control of Three Phase Induction Motors
-> Changing applied voltage - Speed control of Three Phase Induction Motors
-> Rotor resistance control - Speed control of Three Phase Induction Motors
-> Cascade control - Speed control of Three Phase Induction Motors
-> Pole changing method - Speed control of Three Phase Induction Motors
-> Stator frequency control - Speed control of Three Phase Induction Motors
-> Power Stages in an Induction Motor
-> Double Cage Induction Motor: Construction, Working
-> Cogging and Crawling of Induction Motor
-> Induction Generator
-> Induction Generator advantages, disadvantages and Application
-> Induction Motor Braking Regenerative Plugging Dynamic
-> Important Short Questions and Answers: Starting and Speed Control of Three Phase Induction Motor

SINGLE PHASE INDUCTION MOTORS AND SPECIAL MACHINES


-> Single Phase Induction Motors
-> Double Revolving Field Theory of Single Phase Induction Motor
-> Equvalent Circuit of Single Phase Induction Motor
-> Methods of Starting Single Phase Induction Motor
-> Principle and Working of Split Phase Induction Motor
-> Types of Split-Phase Induction Motors
-> Repulsion starting - Single Phase Induction Motor: Construction, Working and Characteristics
-> Shaped Pole Starting - Single Phase Induction Motor
-> Single Phase Series Motor: Operation, Applications, Phasor Diagram
-> Schrage Motor
-> Universal Motors: Operation, Characteristic, Applications
-> Magnetic Levitation
-> Stepper Motor Advantages and Disadvantages
-> Important Short Questions and Answers: Single Phase Induction Motor and Special Machines

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