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The J & P transformer book : a practical technology of the power transformer /

"Now in print for over 80 years since initial publication in 1925 by Johnson & Phillips Ltd., the J&P Transformer Book continues to withstand the test of time as a body of reference material for students, teachers, and all those whose careers are involved in the engineering processes as...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Heathcote, Martin J.
Otros Autores: Franklin, D. P. (David Peter)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Burlington, MA : Newnes, ©2007.
Edición:13th ed.
Temas:
Acceso en línea:Texto completo (Requiere registro previo con correo institucional)
Tabla de Contenidos:
  • Machine derived contents note: Foreword ix
  • Preface xi
  • Acknowledgements xiii
  • 1 Transformer theory 1
  • 1.1 Introduction 1
  • 1.2 The ideal transformer: voltage ratio 2
  • 1.3 Leakage reactance: transformer impedance 4
  • 1.4 Losses in core and windings 5
  • 1.5 Rated quantities 9
  • 1.6 Regulation 11
  • 2 Design fundamentals 14
  • 2.1 Types of transformers 14
  • 2.2 Phase relationships: phasor groups 17
  • 2.3 Volts per turn and flux density 22
  • 2.4 Tappings 24
  • 2.5 Impedance 25
  • 2.6 Multi-winding transformers including tertiary windings 27
  • 2.7 Zero-sequence impedance 33
  • 2.8 Double secondary transformers 34
  • 2.9 General case of three-winding transformer 36
  • 3 Basic materials 41
  • 3.1 Dielectrics 41
  • 3.2 Core steel 42
  • 3.3 Winding conductors 54
  • 3.4 Insulation 60
  • 3.5 Transformer oil 75
  • 4 Transformer construction 105
  • 4.1 Core construction 106
  • 4.2 Transformer windings 119
  • 4.3 Dispositions of windings 143
  • 4.4 Impulse strength 149
  • 4.5 Thermal considerations 158
  • 4.6 Tappings and tapchangers 169
  • 4.7 Winding forces and performance under short-circuit 230
  • 4.8 Tanks and ancillary equipment 250
  • 4.9 Processing and dry out 285
  • 5 Testing of transformers 319
  • 5.1 Testing and quality assurance during manufacture 319
  • 5.2 Final testing 321
  • 5.3 Possible additional testing for important transformers 384
  • 5.4 Transport, installation and commissioning 392
  • 6 Operation and maintenance 406
  • 6.1 Design and layout of transformer installations 406
  • 6.2 Neutral earthing 415
  • 6.3 Transformer noise 430
  • 6.4 Parallel operation 454
  • 6.5 Transient phenomena occurring in transformers 495
  • 6.6 Transformer protection 530
  • 6.7 Maintenance in service 588
  • 6.8 Operation under abnormal conditions 622
  • 6.9 The influence of transformer connections upon third-harmonic
  • voltages and currents 646
  • 7 Special features of transformers
  • for particular purposes 670
  • 7.1 Generator transformers 670
  • 7.2 Other power station transformers 682
  • 7.3 Transmission transformers and autotransformers 688
  • 7.4 Transformers for HVDC converters 689
  • 7.5 Phase shifting transformers and quadrature boosters 701
  • 7.6 System transformers 710
  • 7.7 Interconnected star earthing transformers 714
  • 7.8 Distribution transformers 718
  • 7.9 Scott- and Le Blanc-connected transformers 743
  • 7.10 Rectifier transformers 750
  • 7.11 AC arc furnace transformers 752
  • 7.12 Traction transformers 757
  • 7.13 Generator neutral earthing transformers 764
  • 7.14 Transformers for electrostatic precipitators 769
  • 7.15 Reactors 771
  • 8 Transformer enquiries and tenders 782
  • 8.1 Transformer enquiries 782
  • 8.2 Assessment of tenders 807
  • 8.3 Economics of ownership and operation 812
  • 1 Transformer equivalent circuit 822
  • 2 Geometry of the transformer phasor diagram 833
  • 3 The transformer circle diagram 839
  • 4 Transformer regulation 844
  • 5 Symmetrical components in unbalanced three-phase systems 848
  • 6 A symmetrical component study of earth faults in transformers
  • in parallel 871
  • 7 The use of finite-element analysis in the calculation of
  • leakage flux and dielectric stress distributions 921
  • 8 List of national and international standards relating to
  • power transformers 950
  • 9 List of principal CIGRE reports and papers relating to
  • transformers 961
  • 10 List of reports available from ERA Technology Ltd 964
  • Index 969.