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Alternators
Basic Principle of Alternators
Advantages of stationary armature
Basic Construction of Alternator
Detailed Construction of Alternator
Damper Windings & Speed and Frequency of Alternator
Armature Windings
Concentric or Chain Windings
A.C. Armature Windings of Alternator
Pitch factor of alternator
Distribution Factor
E.M.F. Equation of an Alternator
Armature Reaction in Alternator
Summary of Armature reaction in alternator:
Alternator on Load
Synchronous Reactance
Phasor Diagram of a Loaded Alternator
Voltage Regulation of alternators
Determination of Voltage Regulation
EMF method
MMF method for voltage regulation determination
Procedure for mmf Method
Potier method
Procedure for potier method
Two reaction theory
Effect of Salient Poles
Analysis by two reaction theory
Modified phasor diagram by two reaction theory
Reluctance Power
Power angle characteristic of salient pole machines
Losses and efficiency of an alternator
Synchronous generator
Parallel Operation of synchronous generator
Advantages and condition of Parallel Operation of synchronous generator
Methods of Synchronization
Synchronising Action
Effects on synchronising action
Synchronizing Current
Synchronizing Power
Synchronous generator Connected to Infinite Busbars
Alternators Connected to Infinite Busbars
Two identical synchronous generators in parallel
Alternators on Infinite Busbars
Load Sharing
Effect of Change in Excitation on an alternator connected to an infinite busbars
Effect of change of fuel supply to alternators connected to infinite busbar
Governor characteristics
Electrical load diagram
Synchronous motor
Introduction to Synchronous Motor
Principle of Operation of synchronous motor
Method of Starting of synchronous motor
Construction of synchronous motor
Motor Starting by Reducing the supply Frequency
Motor Starting with an External Motor
Motor Starting by Using damper (Amortisseur) Winding
Motor on Load with Constant Excitation
Power Flow within a Synchronous Motor
Equivalent circuit model and phasor diagram of a synchronous motor
Synchronous-motor power equation
Synchronous Motor with Different Excitations
Effect of Increased Load with Constant Excitation
Effect of Changing Excitation on Constant Load
Different Torques of a Synchronous Motor
Salient Pole Synchronous Motor
Effect of changes in load on armature current, power angle, and power factor of synchronous motor
Effect of changes in field excitation on synchronous motor performance
Constant-power Lines
Construction of V-curves
V curves
O-Curves and V -Curves
Hunting
Methods and procedure of Starting a Synchronous Motor
Comparison Between Synchronous and Induction Motors
Synchronous Motor Applications
Synchronous Condenser
Synchronous-motor losses and efficiency
Induction machines
Theory of induction machines
Universal motor
Three phase induction motors
Construction of Induction motors
Principle of operation of induction motor
Rotating Magnetic Field Due to 3-Phase Currents
Properties of rotating magnetic field
Alternate Mathematical Analysis for Rotating Magnetic Field
slip and rotor frequency of induction motor
Effect of Slip on The Rotor Circuit
Rotor Current
Rotor torque and Starting Torque of induction machines
Condition for Maximum Starting Torque
Starting Torque of 3-Phase Induction Motors
Behaviour of 3-phase induction motor on load
Torque Under Running Conditions
Maximum Torque under Running Conditions
Torque-Slip Characteristics
Full-Load, Starting and Maximum Torques
comparison of induction motor and transformer
Speed Regulation of Induction Motors
Speed Control of 3-Phase Induction Motors
Power Factor of Induction Motor
Power Stages in an Induction Motor
Induction Generator
No-load Test
Blocked Rotor Test
Construction of the Circle Diagram
Double Squirrel Cage Motor
single phasing
Time Harmonics of Induction motors
Effects of air gap flux harmonics
Construction & Working of Double Squirrel-Cage Motors
Equivalent Circuit of Double Squirrel-Cage Motor
cogging
crawling
Line excited and self excited induction generator
principle of operation of induction generator
Applications of Induction generator
Induction generator controller technology
Speed control of Induction Motors
Direct-switching or Line starting of Induction Motors
Stator resistance starting of induction motors
Primary resistors starting of Induction motor
Autotransformer starting of Induction motor
Star-delta Starter of induction motor
Rotor resistance starting of induction motor
Speed Control of Induction Motors
Speed control by changing applied voltage
Rotor resistance speed control of Induction motors
Cascade speed control of induction motor
Pole changing speed control scheme of induction motor
Stator frequency control of induction motor
Branch :
Electrical and Electronics Engineering
Subject :
Electrical Machines II (AC Machines)
Unit :
Synchronous generator
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