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Author:   René Smeets ,  Lou van der Sluis (Delft University of Technology, The Netherlands) ,  Mirsad Kapetanovic ,  David F. Peelo
Publisher:   John Wiley & Sons Inc
Imprint:   John Wiley & Sons Inc
Dimensions:   Width: 17.80cm , Height: 2.60cm , Length: 25.20cm
Weight:   0.816kg
ISBN:  

9781118381359

ISBN 10:   1118381351
Pages:   440
Publication Date:   26 September 2014
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Hardback
Publisher's Status:   Active
Availability:   Out of stock  
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Table of Contents

Preface xv 1 Switching in Power Systems 1 1.1 Introduction 1 1.2 Organization of this Book 2 1.3 Power-System Analysis 5 1.4 Purpose of Switching 8 1.4.1 Isolation and Earthing 8 1.4.2 Busbar-Transfer Switching 8 1.4.3 Load Switching 8 1.4.4 Fault-Current Interruption 9 1.5 The Switching Arc 10 1.6 Transient Recovery Voltage (TRV) 14 1.6.1 TRV Description 14 1.6.2 TRV Composed of Load- and Source-Side Contributions 16 1.7 Switching Devices 19 1.8 Classification of Circuit-Breakers 22 References 27 2 Faults in Power Systems 28 2.1 Introduction 28 2.2 Asymmetrical Current 30 2.2.1 General Terms 30 2.2.2 DC Time Constant 33 2.2.3 Asymmetrical Current in Three-Phase Systems 34 2.3 Short-Circuit Current Impact on System and Components 35 2.4 Fault Statistics 43 2.4.1 Occurrence and Nature of Short-Circuits 43 2.4.2 Magnitude of Short-Circuit Current 45 References 46 3 Fault-Current Breaking and Making 48 3.1 Introduction 48 3.2 Fault-Current Interruption 48 3.3 Terminal Faults 49 3.3.1 Introduction 49 3.3.2 Three-Phase Current Interruption 51 3.4 Transformer-Limited Faults 58 3.4.1 Transformer Modelling for TRV Calculation 59 3.4.2 External Capacitances 61 3.5 Reactor-Limited Faults 62 3.6 Faults on Overhead Lines 64 3.6.1 Short-Line Faults 64 3.6.2 Long-Line Faults 81 3.7 Out-of-Phase Switching 81 3.7.1 Introduction 81 3.7.2 Switching between Generator and System 83 3.7.3 Switching between Two Systems 85 3.8 Fault-Current Making 86 3.8.1 Impact of Making a Short-Circuit Current on the Circuit-Breaker 86 3.8.2 Switching-Voltage Transients at Making in Three-Phase Systems 88 References 93 4 Load Switching 96 4.1 Normal-Load Switching 96 4.2 Capacitive-Load Switching 97 4.2.1 Introduction 97 4.2.2 Single-Phase Capacitive-Load Switching 98 4.2.3 Three-Phase Capacitive-Load Switching 104 4.2.4 Late Breakdown Phenomena 104 4.2.5 Overhead-Line Switching 114 4.2.6 Capacitor-Bank Energization 118 4.3 Inductive-Load Switching 122 4.3.1 Current Chopping 124 4.3.2 Implication of Current Chopping 125 4.3.3 Inductive-Load Switching Duties 127 References 138 5 Calculation of Switching Transients 141 5.1 Analytical Calculation 141 5.1.1 Introduction 141 5.1.2 Switching LR Circuits 142 5.1.3 Switching RLC Circuits 147 5.2 Numerical Simulation of Transients 153 5.2.1 Historical Overview 153 5.2.2 The Electromagnetic Transients Program 154 5.2.3 Overview of Electrical Programs for Transient Simulation 159 5.3 Representation of Network Elements when Calculating Transients 160 References 162 6 Current Interruption in Gaseous Media 164 6.1 Introduction 164 6.2 Air as an Interrupting Medium 166 6.2.1 General 166 6.2.2 Fault-Current Interruption by Arc Elongation 167 6.2.3 Arc Chutes 171 6.2.4 Arcs in Open Air 174 6.2.5 Current Interruption by Compressed Air 175 6.3 Oil as an Interrupting Medium 176 6.3.1 Introduction 176 6.3.2 Current Interruption in Bulk-Oil Circuit-Breakers 177 6.3.3 Current Interruption in Minimum-Oil Circuit-Breakers 180 6.4 Sulfur Hexafluoride (SF6) as an Interrupting Medium 181 6.4.1 Introduction 181 6.4.2 Physical Properties 182 6.4.3 SF6 Decomposition Products 186 6.4.4 Environmental Effects of SF6 189 6.4.5 SF6 Substitutes 195 6.5 SF6 – N2 Mixtures 197 References 198 7 Gas Circuit-Breakers 202 7.1 Oil Circuit-Breakers 202 7.2 Air Circuit-Breakers 205 7.3 SF6 Circuit-Breakers 207 7.3.1 Introduction 207 7.3.2 Double-Pressure SF6 Circuit-Breakers 210 7.3.3 Puffer-Type SF6 Circuit-Breakers 210 7.3.4 Self-Blast SF6 Circuit-Breakers 215 7.3.5 Double-Motion Principle 218 7.3.6 Double-Speed Principle 220 7.3.7 SF6 Circuit-Breakers with Magnetic Arc Rotation 221 References 222 8 Current Interruption in Vacuum 223 8.1 Introduction 223 8.2 Vacuum as an Interruption Environment 223 8.3 Vacuum Arcs 227 8.3.1 Introduction 227 8.3.2 Cathode- and Anode Sheath 229 8.3.3 The Diffuse Vacuum Arc 230 8.3.4 The Constricted Vacuum Arc 234 8.3.5 Vacuum-Arc Control by Magnetic Field 235 References 241 9 Vacuum Circuit-Breakers 243 9.1 General Features of Vacuum Interrupters 243 9.2 Contact Material for Vacuum Switchgear 246 9.2.1 Pure Metals 247 9.2.2 Alloys 247 9.3 Reliability of Vacuum Switchgear 248 9.4 Electrical Lifetime 249 9.5 Mechanical Lifetime 249 9.6 Breaking Capacity 251 9.7 Dielectric Withstand Capability 251 9.8 Current Conduction 252 9.9 Vacuum Quality 252 9.10 Vacuum Switchgear for HV Systems 253 9.10.1 Introduction 253 9.10.2 Development of HV Vacuum Circuit-Breakers 254 9.10.3 Actual Application of HV Vacuum Circuit-Breakers 255 9.10.4 X-ray Emission 256 9.10.5 Comparison of HV Vacuum- and HV SF6 Circuit-Breakers 257 References 258 10 Special Switching Situations 261 10.1 Generator-Current Breaking 261 10.1.1 Introduction 261 10.1.2 Generator Circuit-Breakers 266 10.2 Delayed Current Zero in Transmission Systems 267 10.3 Disconnector Switching 267 10.3.1 Introduction 267 10.3.2 No-Load-Current Switching 268 10.3.3 Bus-Transfer Switching 278 10.4 Earthing 279 10.4.1 Earthing Switches 279 10.4.2 High-Speed Earthing Switches 280 10.5 Switching Related to Series Capacitor Banks 282 10.5.1 Series Capacitor-Bank Protection 282 10.5.2 By-Pass Switch 283 10.6 Switching Leading to Ferroresonance 285 10.7 Fault-Current Interruption Near Shunt Capacitor Banks 286 10.8 Switching in Ultra-High-Voltage (UHV) Systems 288 10.8.1 Insulation Levels 289 10.8.2 UHV System Characteristics Related to Switching 289 10.9 High-Voltage AC Cable System Characteristics 291 10.9.1 Background 291 10.9.2 Current Situation 291 10.10 Switching in DC Systems 295 10.10.1 Introduction 295 10.10.2 Low- and Medium Voltage DC Interruption 295 10.10.3 High-Voltage DC Interruption 297 10.11 Distributed Generation and Switching Transients 298 10.11.1 General Considerations 298 10.11.2 Out-of-Phase Conditions 300 10.12 Switching with Non-Mechanical Devices 301 10.12.1 Fault-Current Limitation 301 10.12.2 Fuses 301 10.12.3 IS Limiters 303 References 304 11 Switching Overvoltages and Their Mitigation 310 11.1 Overvoltages 310 11.2 Switching Overvoltages 312 11.3 Switching-Voltage Mitigation 313 11.3.1 Principles of Mitigation 313 11.3.2 Mitigation by Closing Resistors 314 11.3.3 Mitigation by Surge Arresters 316 11.3.4 Fast Insertion of Shunt Reactors 319 11.4 Mitigation by Controlled Switching 320 11.4.1 Principles of Controlled Switching 320 11.4.2 Controlled Opening 321 11.4.3 Controlled Closing 323 11.4.4 Staggered Pole Closing 324 11.4.5 Applications of Controlled Switching 324 11.4.6 Comparison of Various Measures 334 11.4.7 Influence of Metal-Oxide Surge Arresters on Circuit-Breaker TRVs 336 11.4.8 Functional Requirements for Circuit-Breakers 337 11.4.9 Reliability Aspects 340 11.5 Practical Values of Switching Overvoltages 341 11.5.1 Overhead Lines 341 11.5.2 Shunt Capacitor Banks and Shunt Reactors 342 References 344 12 Reliability Studies of Switchgear 347 12.1 CIGRE Studies on Reliability of Switchgear 347 12.1.1 Reliability 347 12.1.2 Worldwide Surveys 348 12.1.3 Population and Failure Statistics 349 12.2 Electrical and Mechanical Endurance 354 12.2.1 Degradation Due to Arcing 354 12.2.2 Electrical-Endurance Verification 356 12.2.3 Mechanical Endurance 358 12.3 CIGRE Studies on Life Management of Circuit-Breakers 359 12.3.1 Maintenance 359 12.3.2 Monitoring and Diagnostics 360 12.3.3 Life Management of Circuit-Breakers for Frequent Load-Switching 362 12.4 Substation and System Reliability Studies 362 References 363 13 Standards, Specification, and Commissioning 365 13.1 Standards for Fault-Current Breaking Tests 365 13.1.1 Background and History of the Standardized IEC TRV Description 366 13.1.2 IEC TRV Description 368 13.1.3 IEC Test-Duties 370 13.1.4 IEC TRV Parameters Selection and Application 373 13.2 IEC Standardized Tests for Capacitive-Current Switching 373 13.3 IEC Standardized Tests for Inductive-Load Switching 377 13.3.1 Shunt-Reactor Switching 378 13.3.2 Medium-Voltage Motor Switching 381 13.4 Specification and Commissioning 381 13.4.1 General Specifications 381 13.4.2 Circuit-Breaker Specification 383 13.4.3 Information to be given with Requests for Offers 384 13.4.4 Information to be provided with Submitted Offers 384 13.4.5 Circuit-Breaker Selection 384 13.4.6 Circuit-Breaker Commissioning 384 References 385 14 Testing 386 14.1 Introduction 386 14.2 High-Power Tests 387 14.2.1 Introduction 387 14.2.2 Direct Tests 391 14.2.3 Synthetic Tests 395 References 411 List of Abbreviations 413 Index 417

Reviews

“Engineers who design and perform testing of MV and HV circuit breakers, load break switches, or fuses as well as MV and HV test lab managers will find this book to be a very useful and handy reference.”  (IEEE Electrical Engineering magazine, 1 July 2015)   

Engineers who design and perform testing of MV and HV circuit breakers, load break switches, or fuses as well as MV and HV test lab managers will find this book to be a very useful and handy reference. (IEEE Electrical Engineering magazine, 1 July 2015)

Author Information

René Smeets has for more than 30 years been involved in switching with switchgear ranging from 10–1200 kV. For the last 19 years he has worked at DNV GL (former KEMA) high-power laboratory in the Netherlands. Alongside this he is active in various positions in CIGRE: as convener and member of working groups dealing with switching equipment and testing. He is also a convener of IEC standardization teams with respect to high-voltage switchgear. He is a Fellow of IEEE. Amongst his scientific activities, he is currently chairman of the “Current Zero Club”, an informal group of specialists dealing with current interruption phenomena. He holds a Ph.D. and was appointed as a part-time professor at Eindhoven University in 2001 and adjunct-professor at Xi’an Jiaotong University in 2013. He has been a guest-editor of IEEE Journals and has published numerous papers on switching and testing. He has given courses on switching and switchgear worldwide.    Lou van der Sluis obtained his M.Sc. in electrical engineering from the Delft University of Technology. He joined the KEMA High Power Laboratory in 1977 as a test engineer and was involved in the development of a data acquisition system, computer calculations of test circuits and the digital analysis of test data. Since 1992 he has been employed as a full-time professor at the Delft University of Technology in the Power Systems Department. He is a senior member of IEEE and past convener of CC 03 of CIGRE/CIRED studying the transient recovery voltages in medium and high voltage networks. He is currently a member of CIGRE WG A3.24 on internal arc testing and co-convener of CIGRE WG C4.502 studying the interaction between high-voltage overhead lines and underground cables. He is a member of the advisory board of CIGRE SC A3. Mirsad Kapetanoviæ received the M.Sc. degree in endurance of high-voltage circuit breakers in 1993, and the Ph.D. degree for discovery of Algebra of fractal vector (Bosnian algebra) in 1997 from the Sarajevo University, Bosnia and Herzegovina. He has been with the Energoinvest Electric Power Institute (IRCE), Sarajevo, since 1977. In 1982, he became Head of the high voltage circuit-breakers design department at IRCE. In 1997, he was appointed part-time professor at the Faculty of Electrical Engineering, University of Sarajevo. Currently, he is Professor at the faculty and part-time R&D Manager of EnergoBos Company from Sarajevo. Dr. Kapetanovic is a Member of IEEE, Distinguished Member of CIGRE, regular member of CIGRE Study Commitee SC A3 (High Voltage Equipment), 2002–2008; regular member of SC 13 (Switching Equipment), 1996–2002; and, as of 1990, member of the CIGRE Working Group 13.01 (Practical Application of Arc Physics in Circuit Breakers). David Peelo was born in 1943 in Dublin, Ireland. After completing high school, he studied electrical engineering at University College Dublin and graduated cum laude in 1965. His first employment was at the ASEA High Voltage Laboratory in Ludvika, Sweden. In 1973 he joined BC Hydro in Vancouver, British Columbia, Canada, eventually becoming a switchgear and switching specialist. He took early retirement in 2001 to pursue a new career as an independent consultant and to undertake postgraduate work as represented by this thesis. He obtained a Ph.D. degree in switching with HV air-break disconnectors in 2004. He is active in CIGRE, IEC and IEEE committees and working groups and has authored or co-authored over 40 technical papers. Anton Janssen served 35 years in management functions within the electric transmission and electricity/gas distribution industry, including management responsibility for KEMA High Power Laboratory.  He is active in national and international organizations dealing with technical, managerial and strategic network issues.  He was convener of a number of CIGRE working groups and was special reporter at many CIGRE SC 13/A3 sessions and symposia. Mr Janssen has special interest in the fields of electric transients, in protection and system stability issues, in asset- and life-management issues, in network development and planning, in optimizing the combination of various energy carriers (such as gas, electricity and heat), in the co-operation between utilities and authorities, in optimizing the network and substation topology, in incorporating the volatile sustainable sources of power (electricity, gas and a combination of both) and in coaching Ph.D. students.

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