Electrical Machines II

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

EE6504 Electrical Machines II - Anna University 2013 Regulation Syllabus - Download Pdf
EE8401 Electrical Machines II - Anna University 2017 Regulation Syllabus - Download Pdf
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