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IEEE C37.97-1979

Current Revision

IEEE Guide for Protective Relay Applications to Power System Buses

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New IEEE Standard - Inactive-Withdrawn. The effective application of relays for protection of power system electrical buses is addressed. Common bus arrangements and some special arrangements used in the United States are covered; not all bus protection systems or all possible bus arrangements are included. Factors that determine the need and type of bus protection, and basic principles of bus protection operation are discussed. Relay input sources are covered. Bus protection systems and common bus arrangements with relay input sources are described. Also discussed are current transformer locations, wiring and grounding, location of the bus on the system, bus construction, problems associated with switching and bypassing, auxiliary tripping relays, reclosing of breakers after a bus differential operation, testing of bus differential relaying, and bus backup protection.
This guide has been prepared to assist the reader in the effective application of relays for protection of power system electrical buses. The bus protection described refers only to protection at the bus location, independent of equipment at remote locations. Common bus arrangements and some special arrangements used in the United States are covered. Not all bus protection systems or all possible bus arrangements are included.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number C37.97
Publication Date Dec. 19, 1979
Language en - English
Page Count 20
Revision Level
Supercedes
Committee Power System Relaying and Control
Publish Date Document Id Type View
Dec. 19, 1979 C37.97-1979 Revision