{"id":82465,"date":"2024-10-18T03:05:33","date_gmt":"2024-10-18T03:05:33","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ieee-487-1980\/"},"modified":"2024-10-24T19:50:17","modified_gmt":"2024-10-24T19:50:17","slug":"ieee-487-1980","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ieee\/ieee-487-1980\/","title":{"rendered":"IEEE 487 1980"},"content":{"rendered":"

New IEEE Standard – Inactive – Superseded. Superseded by 487-1992. Workable methods for protecting wire-line communication circuits entering power stations are presented. This document covers: the electric power station environment; protection apparatus; services types, reliability, service performance objective classifications, and transmission considerations; protection theory and philosophy; protection configurations; installation and inspection; and safety.<\/p>\n

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PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
9<\/td>\n1 Introduction <\/td>\n<\/tr>\n
10<\/td>\nElectric Power Station Environment
2.1 General
Ground Potential Rise (GPR) <\/td>\n<\/tr>\n
11<\/td>\nExample of Asymmetrical GPR Waveform
Fig <\/td>\n<\/tr>\n
12<\/td>\n2.3 Longitudinal Induction
Ground Grid with Respect to Remote Earth <\/td>\n<\/tr>\n
13<\/td>\nSchematic Illustration of Power Station Ground Potential Rise
Fig <\/td>\n<\/tr>\n
14<\/td>\n2.4 Lightning
Lightning Surge Representation
Fig <\/td>\n<\/tr>\n
15<\/td>\nDistribution of Lightning Stroke Currents
Fig
Isokeraunic Chart for US and Canada
Fig
Fig <\/td>\n<\/tr>\n
16<\/td>\n2.5 Switching Surges
Protection Apparatus
3.1 General
Carbon Block Protectors
Gas Filled Protectors
Fig <\/td>\n<\/tr>\n
17<\/td>\n3.4 SparkGaps
3.5 HomGaps
Surge (Lightning) Arresters
3.7 Isolating Transformers
3.8 Neutralizing Transformers
3.9 Drainage Units
High-Voltage Isolating Relays
Isolating Transformers with High-Voltage Isolating Relays
High-Voltage Telephone Repeaters
Short Circuiting or Grounding Relays
Special Combination Protective Devices (Open-Wire or Hot Line Protectors) <\/td>\n<\/tr>\n
18<\/td>\nOptical Coupler
High-Voltage Disconnect Jacks
Overhead Insulated Ground (Static or Sky) Wire Coupling Protector
Cable in the Zone of Influence
and Transmission Considerations
4.1 General
4.2 ServiceTypes
Service Performance Objective (SPO) Classifications <\/td>\n<\/tr>\n
19<\/td>\nClass A Service Performance Objective Considerations
Class B Service Performance Considerations
Class C Service Performance Considerations
4.7 Transmission Considerations <\/td>\n<\/tr>\n
20<\/td>\nProtection Theory and Philosophy
5.1 Introduction
Special Protective System Design Requirements <\/td>\n<\/tr>\n
21<\/td>\n5.3 Dedicated Cable
5.4 Resistive Balance <\/td>\n<\/tr>\n
22<\/td>\n5.5 ConceptsandConcems
Other Telephone Subscribers in the Power Staton Zone of Influence <\/td>\n<\/tr>\n
23<\/td>\nGPR Voltage Gradient
Fig
Voltage Gradient Along General-Use Cable
Fig <\/td>\n<\/tr>\n
24<\/td>\nFull Count Protection Applied at the Remote Drainage Location <\/td>\n<\/tr>\n
25<\/td>\nNeutralizing Transformer Theory and Design Concepts
NT Operation – The 3-Winding Neutralizing Transformer
AlongCableRoute <\/td>\n<\/tr>\n
26<\/td>\n3-Winding Neutralizing Transformer
Fig <\/td>\n<\/tr>\n
28<\/td>\nCharacteristic for Typical Neutralizing Transformer <\/td>\n<\/tr>\n
29<\/td>\nFunction of the X\/R Ratio of the Power System <\/td>\n<\/tr>\n
30<\/td>\nInitiationofFault
Function of X\/R Ratio and Elapsed Time Since Fault Initiation <\/td>\n<\/tr>\n
31<\/td>\nNeutralizing Transformer Concept – Design Alternatives <\/td>\n<\/tr>\n
32<\/td>\nFunction of Applied Volt- Seconds
Function of Applied Volt- Seconds <\/td>\n<\/tr>\n
35<\/td>\nProtection Configurations
7.1 General
Ground Potential Rise (GPR) Plus Induced Voltage Levels
Typical Excitation Characteristics <\/td>\n<\/tr>\n
36<\/td>\nBasic Protection for Voltage Level I All Service Classifications (See <\/td>\n<\/tr>\n
37<\/td>\nBasic Protection System
Protection Configurations Employing Isolation Devices
Services Only (See <\/td>\n<\/tr>\n
38<\/td>\nBasic Isolation Protection Configuration <\/td>\n<\/tr>\n
39<\/td>\nGeneral Isolation Protection Configuration
General Isolation Protection Configuration Between Two Power Stations <\/td>\n<\/tr>\n
40<\/td>\nComposite Protection System <\/td>\n<\/tr>\n
42<\/td>\nProtection Configurations Employing Neutralizing Transformers
Neutralizing Transformer Installation Protection <\/td>\n<\/tr>\n
43<\/td>\nParallel with Isolation on Separate Pairs <\/td>\n<\/tr>\n
44<\/td>\nTandem with Isolation
Typical Isolated and Neutralized Services in Parallel or Separate Pairs <\/td>\n<\/tr>\n
45<\/td>\nGrounding Relays and Open Wire
Overhead Insulated Ground Wires
with an Isolating Transformer <\/td>\n<\/tr>\n
46<\/td>\n3-Winding Neutralizing Transformers in Tandem with an Isolating Transformer <\/td>\n<\/tr>\n
47<\/td>\nProtection Guide for Power Station Services
Coupling Protectors <\/td>\n<\/tr>\n
48<\/td>\nTypical Protection Table for Power Station Services <\/td>\n<\/tr>\n
49<\/td>\nSimplified Protection Schematic Chart for a Power Station <\/td>\n<\/tr>\n
51<\/td>\nInstallation and Inspection Considerations
Installation Considerations Related to Neutralizing Transformers
Foundation and Grounding Diagram <\/td>\n<\/tr>\n
52<\/td>\n8.2 Periodic Inspection <\/td>\n<\/tr>\n
53<\/td>\n9 Safety
General Safety Considerations
Safety Considerations in Equipment Design <\/td>\n<\/tr>\n
54<\/td>\nSafety Related to Installation and Maintenance
Activities of Other Standards Writing and Other Technical Organizations <\/td>\n<\/tr>\n
55<\/td>\n11 Summary <\/td>\n<\/tr>\n
56<\/td>\nReferences and Bibliography <\/td>\n<\/tr>\n
57<\/td>\nAnnex A Protection Apparatus
Air Gap Protectors
Carbon Electrode Protector Units Typical Sparkover Values <\/td>\n<\/tr>\n
58<\/td>\nGas Tube Characteristics
Spark-Gap Break Down Voltages <\/td>\n<\/tr>\n
59<\/td>\nTwo Element Gas Tube Protectors Only
Three Element Gas Tube Protector Only
Typical Voltage Characteristics of a Two-Electrode Gas Tube Protector <\/td>\n<\/tr>\n
60<\/td>\nTypical Operating Characteristics of a 3-Electrode Gas Tube
Sparkover Characteristics of Discharge Gaps in Argon Gas at 0.1 Atmosphere
Table A4 Typical Operating Characteristics of a 2-Electrode Gas Tube <\/td>\n<\/tr>\n
61<\/td>\nSurge (Lightning) Arrester Characteristics
Isolating or Combined Isolating and Drainage Transformers
Type (RM) Surge Arresters <\/td>\n<\/tr>\n
65<\/td>\nTypical Maximum Exciting Current Versus Percentage of Rated Voltage at 60 Hz <\/td>\n<\/tr>\n
66<\/td>\nTelephone-Type Drainage Units <\/td>\n<\/tr>\n
67<\/td>\nTypical Specification for a High-Voltage Isolating Relay <\/td>\n<\/tr>\n
68<\/td>\nIsolating Transformer with High-Voltage Isolating Relay
Sample Circuit Diagram of an Isolation Device for Telephone Service <\/td>\n<\/tr>\n
69<\/td>\nHigh-Voltage Telephone Repeater <\/td>\n<\/tr>\n
70<\/td>\nA10 Special Combination Protective Devices (Open Wire or Hot Line Protector)
Typical Specifications for an Open-Wire Line Telephone Protector <\/td>\n<\/tr>\n
71<\/td>\nAll GroundingRelays
A – Typical Grounding Relay
B – Schematic of Grounding Relay
Typical Specifications for Grounding Relays <\/td>\n<\/tr>\n
72<\/td>\nA12 Typical Specification for Optical Coupler
C – Light-Duty Grounding Relay in a Typical Protective Circuit
and Drainage Transformer
The Optical Couple <\/td>\n<\/tr>\n
73<\/td>\nA14.CableintheZoneofInfluence
Fig A10 Types of Bantam Plugs <\/td>\n<\/tr>\n
74<\/td>\nInstrinsic Surge Dielectric Capability <\/td>\n<\/tr>\n
75<\/td>\nAnnex B Comparison of Protector Gap Characteristics (Carbon Blocks and Gas Tubes) <\/td>\n<\/tr>\n
76<\/td>\nAnnex C Protection of Isolating and Neutralizing Transformers by Lightning Arresters <\/td>\n<\/tr>\n
78<\/td>\nVarious Communication Channels <\/td>\n<\/tr>\n
79<\/td>\nTelephone Channels Used for Power Station Communications <\/td>\n<\/tr>\n
80<\/td>\nDesign Specification <\/td>\n<\/tr>\n
82<\/td>\nAnnex G Neutralizing Transformer Installation Design Examples <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

IEEE Guide for the Protection of Wire-Line Communication Facilities Serving Electric Power Stations<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
IEEE<\/b><\/a><\/td>\n1980<\/td>\n84<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":82466,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2644],"product_tag":[],"class_list":{"0":"post-82465","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ieee","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/82465","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/82466"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=82465"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=82465"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=82465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}