Electricity transmission, distribution and storage systems © Woodhead Publishing Limited, 2013 Related titles: High temperature superconductors (HTS) for energy applications (ISBN 978-0-85709-012-6) Metropolitan sustainability (ISBN 978-0-85709-046-1) The coal handbook: Towards cleaner production Volume 1: Coal production (ISBN 978-0-85709-422-3) Details of these books and a complete list of titles from Woodhead Publishing can be obtained by: • visiting our web site at www.woodheadpublishing.com • contacting Customer Services (e-mail: [email protected]; fax: +44 (0) 1223 832819; tel.: +44 (0) 1223 499140 ext. 130; address: Woodhead Publishing Limited, 80 High Street, Sawston, Cambridge CB22 3HJ, UK) • in North America, contacting our US offi ce (e-mail: usmarketing@ woodheadpublishing.com; tel.: (215) 928 9112; address: Woodhead Publishing, 1518 Walnut Street, Suite 1100, Philadelphia, PA 19102–3406, USA) If you would like e-versions of our content, please visit our online platform: www.woodheadpublishingonline.com. 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The team responsible for publishing this book: Commissioning Editor: Sarah Hughes Publications Coordinator: Steven Mathews Project Editor: Anneka Hess Editorial and Production Manager: Mary Campbell Production Editor: Adam Hooper Project Manager: Newgen Knowledge Works Pvt Ltd Copyeditor: Newgen Knowledge Works Pvt Ltd Proofreader: Newgen Knowledge Works Pvt Ltd Cover Designer: Terry Callanan © Woodhead Publishing Limited, 2013 Woodhead Publishing Series in Energy: Number 38 Electricity transmission, distribution and storage systems Edited by Ziad Melhem Oxford Cambridge Philadelphia New Delhi © Woodhead Publishing Limited, 2013 Published by Woodhead Publishing Limited, 80 High Street, Sawston, Cambridge CB22 3HJ, UK www.woodheadpublishing.com www.woodheadpublishingonline.com Woodhead Publishing, 1518 Walnut Street, Suite 1100, Philadelphia, PA 19102–3406, USA Woodhead Publishing India Private Limited, 303 Vardaan House, 7/28 Ansari Road, Daryaganj, New Delhi – 110002, India www.woodheadpublishingindia.com First published 2013, Woodhead Publishing Limited © Woodhead Publishing Limited, 2013. 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Library of Congress Control Number: 2013947638 ISBN 978-1-84569-784-6 (print) ISBN 978-0-85709-737-8 (online) ISSN 2044-9364 Woodhead Publishing Series in Energy (print) ISSN 2044-9372 Woodhead Publishing Series in Energy (online) The publisher’s policy is to use permanent paper from mills that operate a sustainable forestry policy, and which has been manufactured from pulp which is processed using acid-free and elemental chlorine-free practices. Furthermore, the publisher ensures that the text paper and cover board used have met acceptable environmental accreditation standards. Typeset by Newgen Knowledge Works Pvt Ltd Printed by Lightning Source © Woodhead Publishing Limited, 2013 Contents Contributor contact details xi Woodhead Publishing Series in Energy xv Preface xxiii Part I Fundamentals of electricity transmission and distribution 1 1 Introduction to transmission and distribution (T&D) networks: T&D infrastructure, reliability and engineering, regulation and planning 3 L. Willis, Quanta Technology, USA 1.1 Introduction 3 1.2 Characteristics of traditional and nontraditional power systems 7 1.3 Customer requirements and demand 10 1.4 Principles and natural laws governing T&D system design 13 1.5 Layers or levels of the traditional T&D system 16 1.6 Modern smart distributed power distribution systems 25 1.7 Factors affecting the T&D system of the future 31 1.8 Conclusion 37 1.9 Sources of further information and advice 38 2 Transmission and distribution (T&D) network monitoring and control 39 K. Bell and C. Booth, University of Strathclyde, UK 2.1 Introduction 39 2.2 Control of system frequency 40 2.3 Ensuring system stability 50 2.4 Control of voltages 56 2.5 Control of currents 60 v © Woodhead Publishing Limited, 2013 vi Contents 2.6 Power system operation and coordination of control 64 2.7 Measurement, monitoring and communications 67 2.8 References 73 3 Protection of transmission and distribution (T&D) networks 75 C. Booth and K. Bell, University of Strathclyde, UK 3.1 Introduction 75 3.2 Fault detection and isolation 76 3.3 Protection system requirements 79 3.4 Protection system components and philosophies 82 3.5 Overview of protection techniques 86 3.6 Typical protection schemes and further considerations 100 3.7 Standard requirements for protection of generators and their interfaces to the utility network 102 3.8 Future trends: Impact of distributed generation (DG) and storage on protection 103 3.9 References 106 4 Integration of distributed energy resources (DER) to the grid 108 K. Kauhaniemi, University of Vaasa, Finland 4.1 Introduction 108 4.2 DER technologies 109 4.3 Effects of DER on the grid 111 4.4 DER connection to transmission and distribution networks 116 4.5 Grid codes and standards 118 4.6 Challenges and future trends 124 4.7 Conclusion 125 4.8 Sources of further information and advice 126 4.9 References 126 Part II Advances in materials and technologies for electricity transmission and distribution 131 5 Development of advanced materials for transmission and distribution (T&D) networks equipment 133 J-L. Bess è de, Schneider Electric, France 5.1 Introduction 133 5.2 Switchgear materials: properties, types and performances 134 © Woodhead Publishing Limited, 2013 Contents vii 5.3 Development and impact of advanced switchgear materials 136 5.4 Challenges and future trends 139 5.5 References 141 6 High Voltage Direct Current (HVDC) electric power transmission systems 143 D. Van Hertem, University of Leuven, Belgium and M. Delimar, University of Zagreb, Croatia 6.1 Introduction 143 6.2 AC or DC? 146 6.3 HVDC confi gurations 148 6.4 HVDC equipment and components 151 6.5 Operation of HVDC 164 6.6 HVDC grids 169 6.7 Future trends 170 6.8 Conclusion 171 6.9 References 171 7 Modern fl exible AC transmission system (FACTS) devices 174 K. Wang and M. L. Crow, Missouri University of Science and Technology, USA 7.1 Introduction 174 7.2 The voltage source converter 175 7.3 The static synchronous compensator (STATCOM) 183 7.4 The static synchronous series compensator (SSSC) 190 7.5 The unifi ed power fl ow controller (UPFC) 194 7.6 Hybrid fl exible AC transmission system (FACTS) technologies 200 7.7 Conclusion 202 7.8 References 203 8 Nanodielectrics and their role in power transmission applications 206 G. C. Stevens, GnoSys Global Ltd, UK and University of Surrey, UK and A. S. Vaughan, University of Southampton, UK 8.1 Introduction 206 8.2 Nanodielectric materials 208 8.3 Development of nanodielectrics 220 8.4 Impact of advanced dielectric materials 227 © Woodhead Publishing Limited, 2013 viii Contents 8.5 Challenges and future trends 230 8.6 Conclusion 232 8.7 Sources of further information and advice 232 8.8 References 233 9 Superconducting fault current limiters and power cables 242 W. Hassenzahl, Advanced Energy Analysis, USA 9.1 Introduction 242 9.2 Fault current limiters 249 9.3 Superconducting power cables 265 9.4 Conclusion 275 9.5 References 276 Part III Electricity storage technologies 279 10 Techno-economic analysis of electricity storage systems 281 J. Oberschmidt, M. Klobasa and F. Genoese, Fraunhofer Institute for Systems and Innovation Research, Germany 10.1 Introduction 281 10.2 Economic issues and analysis 282 10.3 Environmental aspects of electricity storage 292 10.4 Challenges and future trends 305 10.5 Conclusion 306 10.6 References 306 11 Nickel-based batteries: materials and chemistry 309 P-J. Tsai and S. L. I. Chan, University of New South Wales, Australia 11.1 Introduction 309 11.2 Nickel hydroxide electrode 313 11.3 Nickel-iron systems 327 11.4 Nickel-cadmium systems 336 11.5 Nickel-hydrogen systems 345 11.6 Nickel-zinc systems 355 11.7 Nickel-metal hydride systems 368 11.8 Conclusion 381 11.9 References 384 © Woodhead Publishing Limited, 2013 Contents ix 12 Redox fl ow batteries for medium- to large-scale energy storage 398 M. Skyllas-Kazacos and C. Menictas, University of New South Wales, Australia and T. Lim, Ngee Ann Polytechnic, Singapore 12.1 Introduction 398 12.2 Electrochemical cells 402 12.3 Flow battery chemistries 415 12.4 Conclusion 437 12.5 References 438 13 Superconducting magnetic energy storage (SMES) systems 442 P. Tixador, Grenoble INP/Institut N é el – G2E lab, France 13.1 Introduction 442 13.2 Current and load considerations 444 13.3 SMES systems 445 13.4 SMES limitations 449 13.5 Superconducting magnets 459 13.6 Applications of SMES 466 13.7 Conclusion 473 13.8 Acknowledgements 473 13.9 References 473 Index 479 © Woodhead Publishing Limited, 2013