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IEEE C37.234-2021

Current Revision

IEEE Guide for Protective Relay Applications to Power System Buses

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Revision Standard - Active. Principles of power bus protection are discussed. The availability and location of breakers, current sensing devices, and disconnect switches are addressed, as well as bus configurations and switching schemes and their impact on the selection and application of bus protection. Bus protection schemes are presented, and their characteristics, strengths, and limitations are examined. Bus protection applications are presented.
Concepts of power bus protection are discussed in this guide. Consideration is given to availability and location of breakers, current sensing devices, and disconnect switches, as well as bus-switching scenarios, and their impact on the selection and application of bus protection. A number of bus protection schemes are presented; their adequacy, complexity, strengths, and limitations with respect to a variety of bus arrangements are discussed; specific application guidelines are provided. Breaker failure (BF) protection is discussed as pertaining to bus protection. Means of securing bus protection schemes against corrupted relay input signals are also included.
The purpose of the guide is to assist utility engineers and industrial and commercial plant engineers in selecting and engineering proper bus protection.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number C37.234
Publication Date Feb. 7, 2022
Language en - English
Page Count 144
Revision Level
Supercedes
Committee Power System Relaying and Control
Publish Date Document Id Type View
Feb. 7, 2022 C37.234-2021 Revision
Nov. 6, 2009 C37.234-2009 Revision