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Transformers and Motors.
Transformers and Motors is an in-depth technical reference which was originally written for the National Joint Apprenticeship Training Committee to train apprentice and journeymen electricians. This book provides detailed information for equipment installation and covers equipment maintenance and re...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Burlington :
Elsevier Science,
1997.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover; Transformers and Motors: A Single-Source Reference for Electricians; Copyright Page; Table of Contents; Preface; PART I: Transformers; CHAPTER 1. Fundamental Concepts: Transformers; Comparing Direct Current to Alternating Current; Direct Current Transmission; Principles of Operation; Losses; Classification; Nameplate Nomenclature; Hardware Identification; Autotransformers; Instrument Transformers; Potential Transformers; Questions; CHAPTER 2. Transformer Connections; Single-Phase Transformers; Transformer Polarity; Wiring Transformers in Parallel; Three-Phase Transformers.
- Wye ConnectionDelta Connection; Common Transformer Connections; Dual Windings; Open Delta; Special Connections; Questions; CHAPTER 3. Installation; General Considerations; Environmental Considerations; Grounding; Electrical Protection; Cooling Systems; Electrical Testing; Wiring and Putting the Transformer in Service; Questions; CHAPTER 4. Maintenance, Troubleshooting, and Repair; Preventive Maintenance Program; Transformer Maintenance; Inspection and Maintenance; Dry-Type Transformers; Coolant-Filled Transformers; Specific Tests; Summary of Transformer Maintenance Program; Troubleshooting.
- Transformer FaultQuestions; CHAPTER 5. Distribution Systems; Design Considerations; Grounding; Need for Higher Distribution Voltages; Types of Systems; System Protection; Questions; PART II: Motors; CHAPTER 6. Fundamental Concepts: Motors; Definitions; Motor Losses; Efficiency; Nameplate Nomenclature; Parts of Motors; Principles of Operation; Electromagnetism; Generator Principles; Direct Current Motors; Alternating Current Motors; Questions; CHAPTER 7. Fractional-Horsepower Motors; Power Requirements; Split-Phase Motor; Capacitor Motors; Capacitor-Start Motors.
- Capacitor-Start, Capacitor-Run MotorPermanent-Split Capacitor Motors; Shaded-Pole Motors; Repulsion Motor Types; Repulsion-Start, Induction-Run Motors; Repulsion Motor; Repulsion-Induction Motor; Direct Current Motors; DC Shunt Motor; Series DC Motor; Compound DC Motors; Universal Motors; Summary; Questions; CHAPTER 8. Polyphase Motors; General Considerations; Three-Phase Squirrel Cage Motor; Three-Phase, Wound Rotor Motor; Three-Phase Synchronous Motor; Identifying Untagged Leads; Questions; CHAPTER 9. Installation; Installation Procedures; Mechanical Considerations.
- Electrical ConsiderationsPutting the Motor into Operation; Power Factor Correction; Comments on Control; Questions; CHAPTER 10. Maintenance and Troubleshooting; Maintenance Requirements; Preventive Maintenance; Disassembly of a Motor; Cleaning the Motor; Bearings; Commutators; Brushes; Electrical Tests of Windings; Troubleshooting Techniques; Troubleshooting Data for Motors; Summary and Conclusions; Questions; PART III: Appendices; APPENDIX A: General Electric Model List Nomenclature; APPENDIX B: Values of Trigonometric Functions; APPENDIX C: Answers to Questions; Glossary; Bibliography.