Railway Pantograph-Catenary System : Optimizing Dynamics, Materials, and Performance.

Format:

Book

Author/Creator:

Yang, Zefeng.

Contributor:

Wei, Wenfu.

Gao, Guoqiang.

Wu, Guangning.

Language:

English

Physical Description:

1 online resource (380 pages)

Edition:

1st ed.

Place of Publication:

Chantilly : Elsevier, 2025.

Summary:

Railway Pantograph-Catenary System unlocks the theoretical and practical complexities of this key element in high-speed railway electrification.This authoritative volume offers a focused exploration of optimization approaches for the electrical contact process, ensuring consistent, reliable, and efficient performance by addressing the system's.

Contents:

Front Cover

Front Matter

Titlepage

Copyright

Dedication

Contents

About the Authors

Preface

Chapter 1 Introduction

1.1 Introduction

1.1.1 Dynamics of pantograph-catenary

1.1.2 The pantograph-catenary arc

1.1.3 Wear in PCSs

1.1.4 Carbon sliding materials

Chapter 2 Dynamics of a pantograph-catenary system

2.1 Overview

2.2 Geometric characteristics of a PCS

2.2.1 Geometric characteristics of catenary

2.2.2 Geometric characteristics of pantograph

2.3 Dynamic interaction between pantograph and catenary

2.3.1 Elasticity and elastic inhomogeneity of catenary

2.3.2 Performance requirements for dynamic interaction of PCS

2.4 Simulation techniques for a PCS

2.4.1 Method for modeling catenary

2.4.2 Method for solving catenary

2.4.3 Method for modeling pantograph

2.4.4 Method for modeling the PCS model coupling

2.4.5 Verification of coupled model

2.5 Vibration regularity of the catenary

2.5.1 Single cable fluctuation characteristics

2.5.2 Catenary wave speed

2.5.3 Catenary fluctuation frequency and wavelength

2.6 Impact of ice covering on a PCS

2.6.1 Simulation of ice loads

2.6.2 The influence of ice covering on static characteristics of catenary

2.6.3 The influence of ice covering on the dynamic characteristics of the PCS

2.7 Impact of wind on a PCS

2.7.1 Simulation of wind loads

2.7.2 The influence of wind on static characteristics of catenary

2.7.3 The influence of wind on the dynamic characteristics of the PCS

2.8 Case study: Investigation of PCS interaction and optimal matching at 400 km/h

2.8.1 Objective

2.8.2 Scope

2.8.3 Audience

2.8.4 Rationale

2.8.5 Expected results and deliverables

2.8.6 Actions taken/workflow/tools used/simulations and analyses

2.8.7 Challenges and solutions

2.8.8 Results.

2.8.9 Learning and knowledge outcomes

References

Chapter 3 Arc in a pantograph-catenary system

3.1 Overview

3.2 Physical principles of an arc

3.2.1 Arc plasma

3.2.2 Air ionization

3.2.3 Excitation and radiation transition

3.2.4 Recombination and diffusion

3.2.5 Electron emission from electrode surfaces

3.3 Gas discharge

3.3.1 Theory of townsend discharge

3.3.2 Theory of streamer discharge

3.3.3 Paschen's law

3.4 Arc physics characteristics

3.4.1 Arc generation

3.4.2 Conditions for arc generation

3.4.3 Arc ion and energy equilibrium

3.4.4 Arc structure

3.5 Arc model

3.5.1 Circuit/black box model

3.5.2 Impedance/voltage-current characteristics model

3.5.3 Semiempirical and neural network model

3.5.4 Fluid model

3.5.5 Arc erosion model

3.5.6 Arc temperature model

3.6 Influence of complex environment on an arc

3.6.1 Influence of Low-Pressure on Arc

3.6.2 Influence of strong wind on arc

3.6.3 Influence of high humidity on arc

3.7 Meridional flow control arc method

3.7.1 Magnetic field control arc method

3.7.2 Meridional flow control arc method

3.8 Conclusion

3.8.1 Case study

Chapter 4 Wear of sliding electric contact in a PCS

4.1 Overview

4.2 Friction and wear

4.2.1 Friction

4.2.2 Wear

4.2.3 Lubrication

4.3 Sliding electric contact

4.3.1 Sliding electric contact theory

4.3.2 Sliding electric contact mechanism

4.3.3 Thermal effect on contact surface

4.4 Model for wear of sliding electric contact

4.4.1 Smooth surface contact

4.4.2 Hertz contact theory

4.4.3 G-W model

4.4.4 Multilevel model

4.5 Sliding electric contact friction and wear characteristics of PCS

4.5.1 Electrical contact materials for pantograph-catenary system \(PCS\).

4.5.2 General law of sliding electric contact friction and wear

4.5.3 Temperature rise of electrical contact in PCS

4.5.4 Abnormal wear in PCS

4.6 Influence of environmental factors on sliding electric friction and wear

4.6.1 Rainy environment

4.6.2 Low-temperature environment

4.6.3 Low oxygen environment

4.7 Case study 1

4.7.1 Prediction of strip uneven wear in metro pantograph-rigid catenary system

4.8 Case study 2

4.8.1 The prediction model for the wear of pantograph carbon sliders on EMUs in high-altitude environments

Chapter 5 Materials of sliding electric contact in a PCS

5.1 Pantograph contact material

5.1.1 Overview

5.2 Properties and properties

5.2.1 Mechanical properties

5.2.2 Heat conduction

5.2.3 Electrical properties

5.2.4 Frictional property

5.3 Measuring and analyzing

5.3.1 Hardness measurement

5.3.2 Mechanical test

5.3.3 Electrical test

5.3.4 Thermal properties test

5.3.5 Tribological test

5.3.5.2 Friction coefficient measurement

5.3.5.3 Wear test

5.4 Material failure theory

5.4.1 Fracture mechanics theory

5.4.2 Fatigue theory

5.4.3 Creep theory

5.4.4 Thermal fatigue theory

5.5 Material preparation

5.5.1 Preparation of catenary wire

5.5.2 Preparation of pantograph skateboard

5.6 Dip metal pantograph slide

5.6.1 Iron-reinforced carbon/copper pantograph slide

5.7 Boron-reinforced carbon/copper pantograph slide

5.7.1 Interfacial bonding

5.7.2 Mechanicals

5.7.3 Electrical properties

5.7.4 Tungsten reinforced carbon/copper pantograph slide

5.7.5 Silicon reinforced carbon/aluminum pantograph slide

5.7.6 Pre-oxidized carbon fiber reinforced carbon-based pantograph slide

5.7.7 Multiscale modified carbon fiber reinforced carbon pantograph slide.

5.8 Skeletal structure reinforced carbon-based pantograph slide

5.8.1 Root bionic skeletal structure-enhanced carbon pantograph slide

5.8.2 Carbon nanotube/carbon black skeleton structure-enhanced carbon-based pantograph slide

5.9 Conclusion

5.9.1 Case study/activity template

5.10 Results

5.11 Learning and knowledge outcomes

APPENDIX A

Key terms, definitions, and nomenclature

Section 1: Introduction

Background

Problem statement

Section 2: The dynamic model of PCS under ice-covered catenary

Method description

Method procedure

Materials, equipment, apparatus, and resources

Details of computational modeling resources

Optimization and troubleshooting

Limitations

Section 3: Formal analysis and investigation, validation, calculation, and expression of results

Validation, calculation, and expression of results

Section 4: Discussion and evaluation

Section 5: Conclusion

Summary and conclusions

Acknowledgments

Further Information

APPENDIX B

Introduction

Literature review

Materials and methods

Formal analysis and investigation, validation, calculation and expression of results

Conclusion

APPENDIX C

Kye terms, definitions, and nomenclature

Section 2: Materials and methods

Limitations.

Section 3: Formal analysis and investigation, validation, calculation, and expression of results

Further information

APPENDIX D

Formal analysis and investigation, validation, calculation, and expression of results

Discussion and evaluation

APPENDIX E

Index

Back Cover.

Notes:

Description based on publisher supplied metadata and other sources.

ISBN:

0-443-36764-7

0-443-36763-9

9780443367649

OCLC:

1545127159