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Variable speed pumping [electronic resource]
להגדלת הטקסט להקטנת הטקסט- ספר
Prepared by industry experts from the pump, motor and drive industries under the auspices of Europump and the Hydraulic Institute, this reference book provides a comprehensive guide to variable speed pumping.It includes technical descriptions of pumping systems and their components, and guides the reader through the evaluation of different speed control options.Case studies help illustrate the life cycle cost savings and process improvements that appropriate variable speed pumping can deliver.·Authoritative, global reference to Variable Speed Pumping, by Europump and the Hydraulic Inst
| כותר |
Variable speed pumping [electronic resource] : a guide to successful applications / Europump and Hydraulic Institute. |
|---|---|
| מוציא לאור |
Kidlington, Oxford, UK New York : Elsevier |
| שנה |
c2004 |
| הערות |
Description based upon print version of record. English |
| הערת תוכן ותקציר |
Front Cover Variable Speed Pumping: A Guide to Successful Applications Copyright Page Table of Contents Chapter One. One Introduction 1.1 Objectives of the guide 1.2 Acknowledgements Chapter Two. Pumping system hydraulic characteristics 2.1 System characteristics 2.2 System curves 2.3 Pump curves 2.4 Pump operating point Chapter Three. System and process requirements 3.1 Supply and demand controlled systems 3.2 Introduction to variable speed concept 3.3 Process requirements Chapter Four. Pumps 4.1 Classification of pumps 4.2 Rotodynamic pumps 4.3 Positive displacement pumps Chapter Five. Concepts for estimating pumping energy costs 5.1 Flow duration diagrams 5.2 Specific energy 5.3 Flow regulation by varying speed 5.4 Flow regulated by throttling 5.5 Parallel pumps common header 5.6 System awareness - notes of caution 5.7 Conclusions on a VSD within a system Chapter Six. Motors 6.1 Types of electric motors 6.2 Asynchronous induction motors 6.3 Alternative electrical designs of motors 6.4 Motor construction and cooling 6.5 Motor starting Chapter Seven. Variable speed drives 7.1 Types of variable speed drive 7.2 Variable speed drives for induction motors 7.3 Variable speed drives for other AC motors 7.4 Variable speed drives for DC motors 7.5 Drive controller algorithms 7.6 Energy optimizing or ""flux optimizing"" techniques 7.7 Power drive systems 7.8 Integrated motors and drives Chapter Eight. Control principles for variable speed pumping 8.1 Methods of controlling a rotodynamic pump 8.2 Control principles for rotodynamic pumps 8.3 Speed variation for positive displacement pumps 8.4 Control principles for PD pumps 8.5 Implementation of control systems 8.6 Soft starting and stopping Chapter Nine. Selection process - new systems 9.1 Selection for optimum life cycle cost 9.2 Flow charts Chapter Ten. Selection process - retrofitting to existing equipment 10.1 Justification 10.2 Motor suitability and de-rating 10.3 Flow charts 10.4 Retrofitting a motor mounted VFD Chapter Eleven. Benefits, drawbacks and operational issues 11.1 Tangible benefits to the user 11.2 Additional benefits 11.3 Potential drawbacks of PWM VFDs 11.4 Operational issues 11.5 Power drive system integration 11.6 Low base speed motors 11.7 Motor design Chapter Twelve. Financial justification 12.1 Life cycle cost (LCC)12.2 Capital cost savings Chapter Thirteen. Case studies Introduction Case study 1 Case study 2 Case study 3 Case study 4 Case study 5 Case study 6 Case study 7 Case study 8 Appendix A1. Electric motors A1.1 Energy efficiency A1.2 Efficiency labeling A1.3 Motor sizing Appendix A2. Frequency converters A2.1 Inverter designs A2.2 Rectifier design A2.3 Control strategies A2.4 Factors to be considered in sizing variable frequency drives Appendix A3. Legal obligations and harmonic suppression A3.1 European Directives A3.2 United States regulations and standards |
| היקף החומר |
1 online resource (185 p.) |
| שפה |
אנגלית |
| מספר מערכת |
997010709992305171 |
תצוגת MARC
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