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IEEE 487 2001

$72.04

IEEE Recommended Practice for the Protection of Wire-Line Communication Facilities Serving Electric Supply Locations

Published By Publication Date Number of Pages
IEEE 2001 118
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Revision Standard – Inactive – Superseded. Workable methods for protecting wire-line communication circuits entering electric supply locations are presented. This document covers: the electric supply location environment; protection apparatus; services types, reliability, service performance objective classifications, and transmis-sion considerations; protection theory and philosophy; protection configurations; installation and inspection; and safety. Remarks: Revised by IEEE Std 287-2007

PDF Catalog

PDF Pages PDF Title
1 IEEE Recommended Practice for the Protection of Wire-Line Communication Facilities Serving Electric Supply Locations
3 Introduction
Participants
5 Contents
7 1. Overview
1.1 Scope
8 1.2 Purpose
2. References
9 3. Definitions
11 4. High voltage environment
12 4.1 Coupling
4.2 Disturbances
27 5. Protection apparatus
29 6. Service types, reliability, service performance objective (SPO) classifications, and transmission considerations
30 6.1 Service types
6.2 Service performance objective classifications
32 6.3 Transmission considerations
7. Protection theory and philosophy
33 7.1 Special wire-line protection design requirements
34 7.2 Dedicated cable
35 7.3 Resistive balance
7.4 Concepts and concerns
7.5 General-use telecommunication cable in the electric supply location GPR zone of influence
36 8. Protection configurations
8.1 Ground potential rise plus induced voltage levels
37 8.2 Basic protection system
39 8.3 Protection configurations employing isolation devices
41 8.4 General isolation protection configuration
43 8.5 Protection configurations employing neutralizing transformers
45 8.6 Protection configuration employing neutralizing in parallel with isolation on separate pairs
46 8.7 Protection configuration employing neutralizing in tandem with isolation
47 8.8 Protection configuration employing modular high dielectric and optic isolators
48 8.9 Protection practices for electric supply locations services
54 9. Installation and inspection considerations
9.1 Installation considerations related to neutralizing transformers
56 9.2 Periodic inspection
57 10. Safety
10.1 General safety considerations
58 10.2 Safety considerations in equipment design
59 10.3 Safety related to installation and maintenance
11. Summary
61 Annex A (informative) Characteristics of protection apparatus
100 Annex B (informative) Comparison of carbon blocks, gas tubes, and solid-state protectors
103 Annex C (informative) Protection of isolating, drainage, and neutralizing transformers and other apparatus by surge arresters
108 Annex D (informative) Transmission characteristics and SPO requirements for various communication channels
109 Annex E (informative) DC offset waveform development
115 Annex F (informative) High dielectric optic isolation systems
117 Annex G (informative) Bibliography
IEEE 487 2001
$72.04