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IEEE 487 1992

$79.08

IEEE Recommended Practice for the Protection of Wire-Line Communication Facilities Serving Electric Power Stations

Published By Publication Date Number of Pages
IEEE 1992 119
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Revision Standard – Inactive – Superseded. Workable methods for protecting wire-line communication circuits entering power stations are presented. This document covers: the electric power station environment; protection apparatus; service types, reliability, service performance objective classifications, and transmission considerations; protection theory and philosophy; protection configurations; installation and inspection; and safety. You will receive an email from Customer Service with the URL needed to access this publication online.

PDF Catalog

PDF Pages PDF Title
1 Title Page
3 Introduction
Participants
5 CONTENTS
7 1. Scope
2. Introduction
8 3. References
4. Definitions
10 5. Electric Power Station Environment
5.1 General
11 5.2 Coupling
5.3 Disturbances
23 6. Protection Apparatus
6.1 General
24 6.2 Carbon Block Protectors
6.3 Gas-Filled Protectors
6.4 Solid-State Protectors
6.5 Spark Gaps
6.6 Horn Gaps
6.7 Surge Protective Devices
6.8 Isolating Transformers
25 6.9 Neutralizing Transformers and Reactors
6.10 Drainage Units or Drainage Reactors
6.11 High-Voltage Isolating Relays
6.12 Isolating Transformers With High-Voltage Isolating Relays
6.13 Short-Circuiting or Grounding Relays
6.14 Special Combination Protective Devices (Open-Wire or Hot-Line Protectors)
6.15 Optic Coupling Device
26 6.16 High-Voltage Disconnect Jacks
6.17 Overhead Insulated Ground (Static or Sky) Wire-Coupling Protector
6.18 Cable in the GPR Zone of Influence
7. Service Types, Reliability, Service Performance Objective (SPO) Classifications, and Transmission Considerations
7.1 General
7.2 Service Types
27 7.3 Service Performance Objective (SPO) Classifications
7.4 Class A Service Performance Objective Considerations
7.5 Class B Service Performance Considerations
28 7.6 Class C Service Performance Considerations
7.7 Transmission Considerations
8. Protection Theory and Philosophy
8.1 Introduction
29 8.2 Special Wire-Line Protection Design Requirements
8.3 Dedicated Cable
30 8.4 Resistive Balance
31 8.5 Concepts and Concerns
8.6 General-Use Telecommunication Cable in the Power Station GPZ Zone of Influence
32 9. Protection Configurations
9.1 General
9.2 Ground Potential Rise (GPR) Plus Induced Voltage Levels
33 9.3 Basic Protection System
35 9.4 Protection Configurations Employing Isolation Devices
40 9.5 Protection Configuration Employing Neutralizing Transformers
41 9.6 Protection Configuration Employing Neutralizing in Parallel With Isolation on Separate Pairs
42 9.7 Protection Configuration Employing Neutralizing in Tandem With Isolation
44 9.8 Protection Configuration Employing Optic Coupling Devices
9.9 Protection Configuration Employing Short-Circuiting or Grounding Relays on Open-Wire Circuits
45 9.10 Description of a Protection Scheme for Carrier on Overhead Insulated Ground Wires
47 9.11 Protection Practices for Power Station Services
53 10. Installation and Inspection Considerations
10.1 Installation Considerations Related to Neutralizing Transformers
55 10.2 Periodic Inspection
56 11. Safety
11.1 General Safety Considerations
11.2 Safety Considerations in Equipment Design
57 11.3 Safety Related to Installation and Maintenance
12. Activities of Other Standards Developing and Technical Organizations
58 13. Summary
59 14. Bibliography
61 Annex A—Characteristics of Protection Apparatus
103 Annex B—Comparison of Carbon Blocks, Gas Tubes, and Solid-State Protectors
106 Annex C—Protection of Isolating, Drainage, and Neutralizing Transformers and Other Apparataus by Surge Arresters
110 Annex D—Transmission Charactertistics and SPO Requirements for Various Communication Channels
118 Annex B—Fiber-Optic Isolation Systems
IEEE 487 1992
$79.08