There is growing concern that new engineers, planners, and field technicians are not aware of the danger and reliability issues surrounding proper protection of telecommunications circuits. Using a practical, hands on approach, High Voltage Protection for Telecommunications combines all the essential information and key issues into one book. Designed for professional training and self study, the text will help guide managers, engineers, planners, and technicians through the process of planning, designing, installing, and maintaining safe and reliable data and voice communications circuits that are exposed to High Voltage events.…mehr
There is growing concern that new engineers, planners, and field technicians are not aware of the danger and reliability issues surrounding proper protection of telecommunications circuits. Using a practical, hands on approach, High Voltage Protection for Telecommunications combines all the essential information and key issues into one book. Designed for professional training and self study, the text will help guide managers, engineers, planners, and technicians through the process of planning, designing, installing, and maintaining safe and reliable data and voice communications circuits that are exposed to High Voltage events.
STEVEN W. BLUME is President and CEO of Applied Professional Training, Inc., a world-class technical training company serving both the electric power and telecommunications industries. Mr. Blume has extensive experience in power systems planning, design, construction, and operations of major power plants, lines and substations. His telecommunications experience includes work with fiber optics, microwave, radio, power line carrier, and copper systems in high voltage environments.
Inhaltsangabe
Preface ix 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
Preface ix 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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