Energy-Efficient Electric Motors, Third Edition, Revised and Expanded free download online

Title: Energy-Efficient Electric Motors, Third Edition, Revised and Expanded
Author(s): Ali Emadi
Pages: 424
Publisher: CRC; 3 edition
Publication date: 2004
Language: English
Format: PDFs
ISBN-10: 0824757351
ISBN-13:
Description: This detailed reference provides guidelines for the selection and utilization of electric motors for improved reliability, performance, energy-efficiency, and life-cycle cost. Completely revised and expanded, the book reflects the recent state of the field, as well as recent developments in control electronics, the economics of energy-efficient motors and systems, and advanced power electronic drivers. It includes five new chapters covering key topics such as the fundamentals of power electronics applicable to electric motor drives, adjustable speed drives and their applications, advanced switched reluctance motor drives, and permanent magnet and brushless DC motor drives. Review The book is useful to engineers, purchasing managers, and equipment manufacturers for informed decision making in electronic motor selection, implementation, and operation. The Third Edition offers five new chapters covering such topics as the fundamentals of power electronics applicable to electric motor drives and adjustable speed drives and their applications, among other subjects. - Mechanical Engineering, Vol. 127, No. 2, Feb 2005 Contents Preface 1 Induction Motor Characteristics 1.1 Three-Phase Induction Motors 1.2 Single-Phase Induction Motors 2 Energy-Efficient Motors 2.1 Standard Motor Efficiency 2.2 Why More Efficient Motors? 2.3 What Is Efficiency? 2.4 What Is an Energy-Efficient Motor? 2.5 Efficiency Determination 2.6 Motor Efficiency Labeling 2.7 NEMA Energy-Efficient Motor Standards 3 Fundamentals of Electric Motor Drives 3.1 Power Electronic Devices 3.2 Electric Motor Drives 3.3 Single-Phase, Half-Wave, Controlled Rectifier 3.4 Single-Phase, Full-Wave, Controlled Rectifier 3.5 Phase-Controlled Induction Motor Drives 3.6 Control of DC Motors Using DC/DC Converters Selected Readings 4 The Power Factor 4.1 What Is the Power Factor? 4.2 The Power Factor in Sinusoidal Systems 4.3 Why Raise the Power Factor? 4.4 How to Improve the Power Factor 4.5 The Power Factor with Nonlinear Loads 4.6 Harmonics and the Power Factor 4.7 Power Factor Motor Controllers 5 Applications of Induction Motors 5.1 General Discussion 5.2 Varying Duty Applications 5.3 Voltage Variation 5.4 Voltage Unbalance 5.5 Overmotoring 5.6 Polyphase Induction Motors Supplied by Adjustable-Frequency Power Supplies 6 Adjustable-Speed Drives and Their Applications 6.1 The Importance of Electric Motor Drives 6.2 Motor Drive Parameters 6.3 The Impact of Motor Efficiency 6.4 Current Motor Technology 6.5 Advantages of Variable-Speed Motors 6.6 Government Regulation 6.7 Adjustable-Speed Drive Applications Selected Readings 7 Induction Motors and Adjustable-Speed Drive Systems 7.1 Energy Conservation 7.2 Adjustable-Speed Systems 7.3 Applications to Fans 7.4 Applications to Pumps 7.5 Applications to Constant-Torque Loads 8 Brushless DC Motor Drives 8.1 BLDC Machine Configurations 8.2 Modeling 8.3 BLDC Power Electronic Drivers 8.4 Sensorless Techniques for BLDC Motor Drives Selected Readings 9 Switched Reluctance Motor Drives 9.1 History of Switched Reluctance Machine 9.2 Fundamentals of Operation 9.3 Machine Configurations 9.4 Dynamic Modeling of SRMs 9.5 Control of SRMs 9.6 Other Power Electronic Drivers 9.7 Advantages and Disadvantages 9.8 Generative Mode of Operation 9.9 Energy Conversion Cycle Selected Readings 10 Utility Interface Issues 10.1 ASD Example 10.2 Power Factor Correction Methods 10.3 Active Power Filters Selected Readings

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