Marcel Jufer

Electric Drives (eBook, PDF)

Design Methodology

• Format: PDF

Produktbeschreibung

An electric drive that is designed or adapted to a specific application must take into account all the elements of the chain of constituent elements in its use and deployment. In addition to the motor, the transmission, power electronics, control, sensors, and electrical protection systems must be taken into account. The motor and the transmission can be optimized and designed to obtain the best energy efficiency assessment, in particular for dynamic nodes. An inventory and a characterization of these various components is proposed as part of this book's examination and explanation of the different technology elements, as well as a dynamic model of the system, with the whole system constituting a methodology for integrated electric drive design.

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Produktdetails

• Verlag: John Wiley & Sons
• Seitenzahl: 226
• Erscheinungstermin: 1. März 2013
• Englisch
• ISBN-13: 9781118621592
• Artikelnr.: 37651256

Autorenporträt

Marcel Jufer, Emeritus Professor at EPFL, Switzerland.

Inhaltsangabe

Chapter 1. Introduction - Electric Drive Components 1
1.1. Definition 1
1.2. Electric drive components 2
Chapter 2. Driven Bodies 5
2.1. Function of the driven body 5
2.2. Reference or rated running 5
2.3. Transient behavior 6
2.4. Specifications 7
Chapter 3. Transmission 15
3.1. Transmission types and characterization 15
3.2. Resolution 20
3.3. Speed adaptation 22
3.4. Dynamic behavior 23
3.5. Oscillatory torque 31
3.6. Position transfer 36
Chapter 4. Motors 41
4.1. Characterization 41
4.2. Rotating and linear motors 42
4.3. Induction motors 42
4.4. DC motors 54
4.5. Synchronous motors 62
4.6. Variable reluctance motors 73
4.7. Linear motors 75
4.8. Piezoelectric motors and actuators 81
4.9. Appendix - BLDC motor characteristics 85
Chapter 5. Motors: Characterization 87
5.1. Characteristics 87
5.2. Scaling laws 89
5.3. Parametric expression 96
Chapter 6. Global Design of an Electric Drive 101
6.1. Introduction 101
6.2. Dynamic equations 102
6.3. Example 107
6.4. Conclusions 117
Chapter 7. Heating and Thermal Limits 119
7.1. Heating importance 119
7.2. Thermal equations 120
7.3. Energy dissipated at start-up 126
7.4. Cooling modes 130
Chapter 8. Electrical Peripherals 137
8.1. Adaptation 137
8.2. Sources 137
8.3. Voltage adjustment 138
8.4. Current adjustment devices 143
Chapter 9. Electronic Peripherals 149
9.1. Power electronic 149
9.2. Simple switch 150
9.3. H bridge 151
9.4. Element bridge 154
Chapter 10. Sensors 159
10.1. Functions and types 159
10.2. Optical position sensors 161
10.3. Hall sensors 163
10.4. Inductive position sensors 164
10.5. Resolver-type rotating, inductive, contactless sensors 168
10.6. Other position sensors 170
10.7. The motor as a position sensor 175
10.8. Sensor position 179
10.9. Current sensors 181
10.10. Protection sensors 183
Chapter 11. Direct Drives 187
11.1. Performance limits 187
11.2. Motor with external rotor 200
11.3. Example 203
Chapter 12. Integrated Drives 207
12.1. Principle 207
12.2. Realization 208
Symbols 213
Indices 217
Bibliography 221
Index 223