Syllabus For The Subject Electrical Machinery

 

ELECTRICAL MACHINERY

 

 

 

Contents

Chapter-1

Magnetic Circuits and Magnetic Materials

 

Introduction to Magnetic Circuits

Flux Linkage, Inductance, and Energy

Properties of Magnetic Materials

AC Excitation

Permanent Magnets

Application of Permanent Magnet Materials

Summary                                                                                                                                                                

Problems

 

 

Chapter 2

Transformers

Introduction to Transformers

No-Load Conditions

Effect of Secondary Current; Ideal Transformer

Transformer Reactances and Equivalent Circuits

Engineering Aspects of Transformer Analysis

Autotransformers; Multiwinding Transformers

Transformers in Three-Phase Circuits

Voltage and Current Transformers

The Per-Unit System

Summary

Problems

 

 

 

Chapter 3

 

Electromechanical-

Energy-Conversion

Principles

 

Forces and Torques in Magnetic Field Systems

Energy Balance

Energy in Singly-Excited Magnetic Field Systems

Determination of Magnetic Force and Torque from Energy

Determination of Magnetic Force and Torque from Coenergy

Multiply-Excited Magnetic Field Systems

Forces and Torques in Systems with Permanent Magnets

Dynamic Equations

Analytical Techniques

Summary

Problems

 

 

 

Chapter 4

 

Introduction to Rotating Machines

Elementary Concepts

Introduction to AC and DC Machines

MMF of Distributed Windings

Magnetic Fields in Rotating Machinery

Rotating MMF Waves in AC Machines

Generated Voltage

Torque in Nonsalient-Pole Machines

Linear Machines

Magnetic Saturation

Leakage Fluxes

Summary

Problems

 

 

 

Chapter 5

Synchronous Machines

Introduction to Polyphase Synchronous Machines

Synchronous-Machine Inductances; Equivalent Circuits

Open- and Short-Circuit Characteristics

Steady-State Power-Angle Characteristics

Steady-State Operating Characteristics

Effects of Salient Poles; Introduction to Direct- and Quadrature-Axis Theory

Power-Angle Characteristics of Salient-Pole Machines

Permanent-Magnet AC Motors

Summary

Problems

 

 

Chapter-6

Polyphase Induclion Machines

Introduction to Polyphase Induction Machines

Currents and Fluxes in Polyphase Induction Machines

Induction-Motor Equivalent Circuit

Analysis of the Equivalent Circuit

Torque and Power by Use of Thevenin's Theorem

Parameter Determination from No-Load and Blocked-Rotor Tests

Effects of Rotor Resistance;Wound and Double-Squirrel-Cage Rotors

Summary

Problems

 

 

 

Chapter 7

DC Machines

Introduction

Commutator Action

Effect of Armature MMF

Analytical Fundamentals: Electric-Circuit Aspects

Analytical Fundamentals: Magnetic-Circuit Aspects

Analysis of Steady-State Performance

Permanent-Magnet DC Machines

Commutation and Interpoles

Compensating Windings

Series Universal Motors

Summary

Problems

 

 

Chapter 8

Variable-Reluctance Machines and Stepping Motors

Basics of VRM Analysis

Practical VRM Configurations

Current Waveforms for Torque Production

Nonlinear Analysis

Stepping Motors

Summary

Problems

 

 

Chapter 9

Single- and Two.Phase Motors

Single-Phase Induction Motors: Qualitative Examination

Starting and Running Performance of Single- Phase Induction and Synchronous Motors

Revolving-Field Theory of Single-Phase Induction Motors

Two-Phase Induction Motors

 Summary

Problems

 

 

 

 

Chapter 10

Introduction to Power Electronics

Power Switches Rectification: Conversion of AC to DC

Inversion: Conversion of DC to AC

Summary

Bibliography

Problems

 

 

 

 

Chapter-11

Three.Phase Circuits

Generation of Three-Phase Voltages

Three-Phase Voltages, Currents, and Power

Y- and A-Connected Circuits

Analysis of Balanced Three-Phase Circuits; Single-Line Diagrams

Other Polyphase Systems

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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