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IEEE 487-1980

Historical Revision

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

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New IEEE Standard - Superseded. Superseded by 487-1992.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.
Wire-line communication facilities serving electric power stations often require special high-voltage protection against the effects of fault-produced ground potential rise or induction voltages, or both. Some of the communication services are used for control and protective relaying purposes which may be called upon to perform critical operations during periods of these faults. This constitutes a major problem in the design of the wireline communications system since power faults usually result in the introduction of interfering voltages and currents into the communication circuit just at the time when the latter is most urgently required to perform its function. It is important to note that special high-voltage protection for the purpose of personnel safety and plant protection may be required even when critical services are not involved. Effective protection of any wire-line communications circuit requires coordinated protection on all circuits.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number 487
Publication Date Aug. 8, 1980
Language en - English
Page Count 84
Revision Level
Supercedes
Committee Power System Communications and Cybersecurity
Publish Date Document Id Type View
July 31, 2015 487-2015 Revision
Oct. 8, 2007 487-2007 Revision
Aug. 17, 2001 487-2000 Revision
Nov. 4, 1992 487-1992 Revision
Aug. 8, 1980 487-1980 Revision