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Electrical Power System Protection de A. Wright

Electrical Power System Protection

Autor A. Wright, C. Christopoulos
en Limba Engleză Paperback – mar 2013
Electrical Power System Protection provides practising engineers with the most up-to-date and comprehensive one -volume reference and tutorial on power system protection available. Concentrating on fundamental methods and technology and with extensive examples drawn from current practice internationally, this book will be a major reference tool for engineers involved with and affected by power system protection.
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Specificații

ISBN-13: 9781461363415
ISBN-10: 1461363411
Pagini: 552
Ilustrații: XVII, 530 p.
Dimensiuni: 155 x 235 x 29 mm
Greutate: 0.84 kg
Ediția:Softcover reprint of the original 1st ed. 1993
Editura: Springer Us
Colecția Springer
Locul publicării:New York, NY, United States

Public țintă

Research

Cuprins

1 Fuses.- 2 Current transformers.- 3 Voltage transformers.- 4 Overcurrent and earth fault protection.- 5 Current-differential protective schemes.- 6 The protection of transformers.- 7 The protection of rotating machines.- 8 The protection of busbars.- 9 The protection of overhead lines and cables by current-differential schemes.- 10 Interlock and phase-comparison schemes for the protection of overhead lines.- 11 Distance-type protective schemes for overhead lines and cables.- 12 Ultra-high-speed schemes for the protection of long transmission lines.- Appendix A The testing and application of power-system protective equipment.- A.1 Performance requirements.- A.2 Testing of protective devices and equipment.- A.2.1 Fuselinks.- A.2.2 Current and voltage transformers.- A.2.3 The testing of relays.- A.2.4 The testing of protective schemes.- A.3 Automatic testing of relays and protective schemes.- References.- Appendix B Percentage and per-unit quantities.- Appendix C Transformations of three-phase quantities.- C.1 Voltage, current and impedance transformation.- C.2 Transformation into symmetrical components.- C.3 Other transformations.- References.- Appendix D The determination of power-system behaviour using symmetrical components.- D.1 Sequence impedances.- D.1.1 Three-phase synchronous machines.- D.1.2 Transformers.- D.1.3 Overhead lines and cables.- D.1.4 The effects of physical asymmetry.- D.2 Sequence networks.- D.2.1 Earthing of neutral points.- D.2.2 Transformer connections.- D.3 The interconnection of sequence networks.- D.3.1 Balanced three-phase normal or fault conditions.- D.3.2 Conditions when a phase-to-phase fault is present.- D.3.3 Conditions when a single phase to earth fault is present.- D.3.4 Impedances used in sequence networks.- D.4 Numerical example.- D.4.1 Short-circuit between phases ‘b’ and ‘c’ and earth.- D.4.2 Short-circuit between phase ‘a’ and earth.- Reference.- Concluding remarks.

Recenzii

Electrical Power System Protection is a comprehensive and detailed book ... readers who want to brush up on the principles of protective equipment could do a lot worse than start here. - Electrical Review

Descriere

Descriere de la o altă ediție sau format:
The death of Professor Arthur Wright in the summer of 1996 deprived me of a friend and a colleague whose judgement and experience shaped this book. I pay tribute to his contributions to protection and electrical engineering education. In the five years since the first edition appeared, many developments have taken place and it is now necessary to update the book. The use of digital communications and advanced signal processing techniques is now widespread and several fully numeric relays are available from manu­ facturers. Two new Chapters 13 and 14 have been added to introduce readers to these concepts and associated techniques. Artificial intelligence is making its impact in all engineering applications and power system protection is no exception. Expert systems, fuzzy logic, artificial neural networks, adaptive and integrated protection, synchronized measurements using the global positioning system, genetic algorithms, flexible a.c. transmission systems, are some of the techniques considered in connection with protection. Although many of these techniques have not yet found major application in protection, it is nevertheless essential for the educated protection engineer to have a basic understanding of the underlying principles and methodology so that he, or she, can evaluate their suitability for new relaying problems and applications. Chapter 15 was therefore added to guide readers through this developing area. I have also added some new material in other chapters to reflect changes over the past years.