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E-book
High Voltage Protection for TelecommunicationsISBN: 978-1-118-12710-0
E-book
256 pages
September 2011, Wiley-IEEE Press
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Acknowledgments xiii
About the Author xv
1 Overview of High Voltage Protection for Telecommunications 1
Basic Purpose and Applications, 2
The HV Protection Challenge, 3
HV Isolation Standards, 7
2 Electric Power System Fundamentals 11
Power Terminology for Telecommunications, 12
Electric Power System Overview, 21
AC Voltage Generation, 23
Substation Equipment, 31
Transmission Lines, 44
Distribution Lines, 45
System Protection Equipment and Concepts, 47
3 Ground Potential Rise (GPR) and Zone of Influence 63
Introduction to Ground Potential Rise (GPR), 64
GPR, 65
GPR Locations, 66
Factors Affecting GPR, 71
Calculation of GPR, 86
ZOI, 88
Earth Resistivity, 91
GPR and ZOI Calculation Methods, 95
Lightning Faults, 107
Electromagnetic Induction under Fault Conditions, 109
Total Electrical Cable Stress, 118
The Role of Protection Engineers, 119
4 Critical Telecommunications Circuits in HV Environments 121
General, 122
Service Performance Objectives (SPOs), 122
North America Electric Reliability Corporation (NERC) Critical Infrastructure Protection (CIP) Standards, 125
Protective Relaying Schemes that Require Class A Circuits, 126
Power Applications that Require Class B Circuits, 131
Power Communication Service Types, 136
Smart Grid and Cyber Security, 139
5 High Voltage Protection Equipment 143
General, 144
Basic Shunt Protection, 144
Levels of Protection, 149
Special Consideration for Nearby Facilities, 166
6 Level III HV Protection Equipment, Installation, and Testing 167
General, 168
Level III Copper HVI Components, 169
Copper HVI System Design, 181
Copper HVI Installation Examples, 191
Copper HVI System Initial Testing, 195
Copper HVI Maintenance and Inspection, 197
Fiber HVI Systems Installation, 199
Fiber HVI Installation Examples, 202
Wireless Sites on Electrical Power Towers, 205
Protection at Non-Power Company Locations, 211
7 Personnel Safety Working with HV Protection Equipment 217
Electrical Safety, 218
Electrical Protection Priorities, 218
Touch and Step Potentials, 219
Glossary 227
Appendix: Service Request Form 231
Bibliography 235
Index 237
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