Electric Machinery and Transformers
by Guru, Bhag S.; Hiziroglu, Huseyin R.Edition: 2nd
Format: Hardcover
Pub. Date: 1994-12-01
Publisher(s): Oxford University Press
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Summary
For this revision of their bestselling junior- and senior-level text, Guru & Hiziroglu have incorporated eleven years of cutting-edge developments in the field since Electric Machinery & Transformers was first published. Completely re-written, the new Second Edition also incorporates suggestions from students and instructors who have used the First Edition, making it the best text available for junior- and senior-level courses in electric machines. The new edition features a wealth of new and improved problems and examples, designed to complement the authors' overall goal of encouraging intuitive reasoning rather than rote memorization of material. Chapter 3, which presents the conversion of energy, now includes: analysis of magnetically coupled coils, induced emf in a coil rotating in a uniform magnetic field, induced emf in a coil rotating in a time-varying magnetic field, and the concept of the revolving field. All problems and examples have been rigorously tested using Mathcad.
Table of Contents
| Preface | |
| Acknowledgements | |
| Review of Electric Circuit Theory | |
| Introduction | |
| Direct-Current Circuit Analysis | |
| Alternating-Current Circuit Analysis | |
| Three-Phase Circuits | |
| Measurement of Power | |
| Review of Basic Laws of Electromagnetism | |
| Introduction | |
| Maxwell's Equations | |
| Magnetic Materials and Their Properties | |
| Magnetic Circuits | |
| Self- and Mutual Inductances | |
| Magnetically Coupled Coils | |
| Magnetic Losses | |
| Permanent Magnets | |
| Principles of Electromechanical Energy Conversion | |
| Introduction | |
| Electric Field as a Medium | |
| Magnetic Field as a Medium | |
| A Coil in a Uniform Magnetic Field | |
| A Coil in a Time-Varying Magnetic Field | |
| Synchronous Motor | |
| Reluctance Motor | |
| Transformers | |
| Introduction | |
| Construction of a Transformer | |
| An Ideal Transformer | |
| The Real Transformer | |
| Voltage Regulation | |
| Maximum Efficiency Criterion | |
| Determination of Transformer Parameters | |
| Per-Unit Computations | |
| The Autotransformer | |
| Three-Phase Transformers | |
| The Constant-Current Transformer | |
| Instrument Transformers | |
| Direct-Current Generators | |
| Introduction | |
| Mechanical Construction | |
| Armature Windings | |
| Induced EMF Equation | |
| Developed Torque | |
| Magnetization Characteristic of a DC Machine | |
| Theory of Commutation | |
| Armature Reaction | |
| Types of DC Generators | |
| Voltage Regulation | |
| Losses in DC Machines | |
| A Separately Excited DC Generator | |
| A Shunt Generator | |
| A Series Generator | |
| Compound Generators | |
| Maximum Efficiency Criterion | |
| Direct-Current Motors | |
| Introduction | |
| Operation of a DC Motor | |
| Speed Regulation | |
| Losses in a DC Motor | |
| A Series Motor | |
| A Shunt Motor | |
| The Compound Motor | |
| Methods of Speed Control | |
| The Ward-Leonard System | |
| Torque Measurements | |
| Braking or Reversing DC Motors | |
| Synchronous Generators | |
| Introduction | |
| Construction of a Synchronous Machine | |
| Armature Windings | |
| Pitch Factor | |
| Distribution Factor | |
| Winding Connections | |
| Induced EMF Equation | |
| The Equivalent Circuit | |
| Power Relationships | |
| Synchronous Generator Tests | |
| The External Characteristic | |
| Salient-Pole Synchronous Generator | |
| Parallel Operation of Synchronous Generators | |
| Synchronous Motors | |
| Introduction | |
| Construction and Operation of a Synchronous Motor | |
| Equivalent Circuit of a Synchronous Motor | |
| Power Expressions | |
| Exact Condition for Maximum Power | |
| Effect of Excitation | |
| Power Factor Correction | |
| Polyphase Induction Motors | |
| Introduction | |
| Construction | |
| Principle of Operation | |
| Development of an Equivalent Circuit | |
| An Approximate Equivalent Circuit | |
| Maximum Power Criterion | |
| Maximum Torque Criterion | |
| Maximum Effic | |
| Table of Contents provided by Publisher. All Rights Reserved. |
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