UID:
almahu_9949697352002882
Format:
1 online resource (194 p.)
ISBN:
0-85709-381-9
Series Statement:
Woodhead Publishing in mechanical engineering Electrical motor products
Content:
Electrical motor products reviews the energy efficiency management laws for electrical motor products in United States, European Union (EU) and China. The energy efficiency certification requirements for the electrical motor products vary from country to country and are summarised here. International standards, testing methods and certification requirements for specific electrical motor products are discussed, including electric motors, pumps and fans. Finally, methods for improving energy efficiency are examined.Reviews the energy efficiency management laws for electrical moto
Note:
Description based upon print version of record.
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Cover; Electrical motor products: International energy-efficiencystandards and testing methods; Copyright; Contents; List of figures and tables; Acknowledgements; About the authors; 1 Introduction: the importance of energy-efficiency for electrical motor products; 1.1 The application of electrical motor products; 1.2 The history of electrical motor products; 1.3 Energy-efficiency is a top priority; 1.4 Conclusion; 2 Classification: electric motors, pumps, fans; 2.1 Definition of electric motors; 2.2 Working principles of the induction motor; 2.3 Types of induction motor
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2.4 Definition of pumps2.5 Working principles of pumps; 2.6 Types of rotodynamic pump; 2.7 Definition of fans; 2.8 Working principle of fans; 2.9 Types of fan; 2.10 Conclusion; 3 Energy-efficiency technical measures system for electrical motor products; 3.1 The framework of energy-efficiency technical measures for electrical motor products; 3.2 Regulations and agreements; 3.3 Energy-efficiency standards; 3.4 Energy-efficiency labels; 3.5 Energy-efficiency testing methods; 3.6 Conclusion; 4 Energy-efficiency standards of electrical motor products; 4.1 Electric motor; 4.2 Pumps; 4.3 Fans
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4.4 Conclusion5 Measurement errors and uncertainties; 5.1 Classification of measurement errors; 5.2 Trueness and precision; 5.3 Uncertainties in measurements; 5.4 Sources of uncertainties; 5.5 The evaluation of measurement uncertainties; 5.6 Conclusion; 6 Testing methods for electric motors; 6.1 Motor losses and efficiency expression; 6.2 The status of the efficiency testing methods for IM; 6.3 IEEE 112-2004 B method; 6.4 IEC 60034-2-1:2007; 6.5 Eh-star test; 6.6 GB/T 9651; 6.7 Energy-efficiency test rig for electric motors; 6.8 Conclusion
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6.9 Appendix A (Used with permission of IEEE Power Engineering Society)7 Efficiency testing methods for centrifugal pumps; 7.1 efficiency of pumps; 7.2 ISO 9906:1999; 7.3 GB/T 3216-2005; 7.4 Testing rig for pumps; 7.5 Conclusion; 8 Efficiency testing methods for centrifugal fans; 8.1 Efficiency of fans; 8.2 ISO 5801:2008; 8.3 AMCA 210-2007; 8.4 GB/T 1236-2000; 8.5 Testing rig for fan performance; 8.6 Conclusion; 9 How to improve the energy-efficiency of electrical motor products; 9.1 Ways to improve the energy-efficiency of electric motors
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9.2 Control strategies for improving the efficiency of induction motors9.3 Ways to improve the energy-efficiency of pumps; 9.4 Ways to improve the energy-efficiency of fans; 9.5 Conclusion; 10 Modern control methods for the induction motor; 10.1 Why adjustable speed is needed for induction motors; 10.2 The development of modern control for electric motors; 10.3 Mathematical models of three phase AC machines; 10.4 Speed control using variable voltage and variable frequency; 10.5 Field-oriented control; 10.6 Direct torque control; 10.7 Loss minimization control; 10.8 Conclusion; References
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Chapter 1
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English
Additional Edition:
ISBN 0-85709-077-1
Language:
English
