Electrical Machines I

Magnetic Circuits and Magnetic Materials
Laws Governing Magnetic Circuits
Flux Linkage, Inductance and Energy
Statically and Dynamically Induced Emf
Properties of Magnetic Materials
Iron or Core losses
AC Operation of Magnetic Circuits
Transformer as a Magnetically Coupled Circuit
Solved problems - Magnetic Circuits and Magnetic Materials
Important Short Questions and Answers : Electrical machines - Magnetic Circuits and Magnetic Materials

TRANSFORMERS

Transformer: Principle of Operation
An ideal Transformer: Principle of Operation
Induction Law - Transformer
Equivalent Circuit of Transformer
Transformer Losses
Transformer Tests
Efficiency of a Transformer
Voltage Regulation of Transformer
Auto Transformer
Three-phase autotransformer connection
Parallel Operation of Transformers
Tap Changing in Transformer
Solved Problems - Transformer - Electrical machines
Important Short Questions and Answers: Electrical machines - Transformer

ELECTROMECHANICAL ENERGY CONVERSION AND CONCEPTS IN ROTATING MACHINES

Energy In Magnetic Systems
The Field Energy
The Co Energy
Force In A Singly Excited Magnetic Field System
Force in a Multiply Excited Magnetic Field System
Mmf of Distributed Windings
Magnetic Fields In Rotating Machines
Rotating Mmf Waves
Torque in Ac And Dc Machines
Solved Problems - Electromechanical Energy Conversion and Concepts in Rotating Machines
Important Short Questions and Answers - Electromechanical Energy Conversion and Concepts in Rotating Machines

DC GENERATORS

Construction of DC Machines
Lap Winding
Wave Winding
EMF Equation of DC Generators
Armature reaction
Methods of excitation of the field windings
Methods of Excitation used for DC Generator
Commutation and Interpoles
DC Generator Characteristics
Important short questions and answers: DC Generators

DC MOTORS

Principle of operation of a D.C. Motor
Working of D.C. Motor
Types of DC Motors
DC Motor Characteristics
Speed Control of DC Shunt Motor: Varying Armature Resistance, Field Resistance
Starting of DC Motors
Three Point Starter: Working principle
Four Point Starter
Swinburne�s Test
Hopkinson�s test: Procedure, Calculation of efficiency, Advantages, Disadvantages
Braking of DC shunt motor
Important Short questions and answers: DC Motor - Electrical machines

EE6401 Electrical Machines I - Anna University 2013 Regulation Syllabus - Download Pdf
EE8301 Electrical Machines I - Anna University 2017 Regulation Syllabus - Download Pdf
EE8301 Electrical Machines I - Question Bank - Download Pdf

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