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IEEE C37.234-2009

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

IEEE Guide for Protective Relay Applications to Power System Buses
Available format(s)

PDF

Superseded date

02-07-2022

Language(s)

English

Published date

11-06-2009

1. Overview
    1.1 Scope
    1.2 Purpose
2. Normative references
3. Definitions
4. Buses in various station arrangements
    4.1 Single bus
    4.2 Main and transfer bus
    4.3 Double-bus double-breaker
    4.4 Double-bus single-breaker
    4.5 Breaker-and-a-half
    4.6 Ring bus
    4.7 Other bus arrangements
5. Introduction to bus protection
    5.1 Zones of bus protection
    5.2 Types of bus protection
    5.3 Considerations for bus scheme selection
6. Relay input sources
    6.1 Current transformers
    6.2 Position of disconnect switches and breakers
    6.3 Voltage transformers
7. Bus protection methods
    7.1 Differential methods
    7.2 Zone-interlocked schemes
    7.3 Fault bus schemes
8. Application of bus protection schemes
    8.1 Partial differential protection
    8.2 Combined bus and transformer protection
    8.3 Protection of buses with directly connected grounding
         transformers
    8.4 Application of auxiliary current transformers
    8.5 Applications with paralleled current transformers
    8.6 Application of auxiliary tripping relays
    8.7 Automatic reclosing after bus faults
    8.8 Dynamic bus replica
    8.9 Voltage trip supervision
    8.10 Check zone
    8.11 Application of current transformer trouble detection
    8.12 Reliable, selective tripping at the differential zone
         boundary
    8.13 CT column ground fault protection
    8.14 In-service transfer of network elements and breaker
         substitution
    8.15 In-zone grounds
    8.16 Stub bus considerations
    8.17 Breaker failure considerations
    8.18 Backup protection
Annex A (informative) - High-impedance bus differential
        application example
Annex B (informative) - Double-bus single-breaker application
        example
Annex C (informative) - Setting example for differentially
        connected overcurrent bus protection
Annex D (informative) - Bibliography

Supports utility engineers and industrial and commercial plant engineers in selecting and engineering proper bus protection.

Committee
Power System Relaying and Control
DocumentType
Standard
Pages
125
PublisherName
Institute of Electrical & Electronics Engineers
Status
Superseded
SupersededBy

IEEE C37.113-1999 IEEE Guide for Protective Relay Applications to Transmission Lines
IEEE C37.246-2017 IEEE Guide for Protection Systems of Transmission-to-Generation Interconnections
IEEE C37.95-2014 IEEE Guide for Protective Relaying of Utility-Consumer Interconnections

IEEE C37.91-2008 REDLINE IEEE Guide for Protecting Power Transformers
IEEE C37.90-2005 IEEE Standard for Relays and Relay Systems Associated with Electric Power Apparatus
IEEE C37.110-2007 REDLINE IEEE Guide for the Application of Current Transformers Used for Protective Relaying Purposes
IEEE C57.13.3-2005 IEEE Guide for Grounding of Instrument Transformer Secondary Circuits and Cases
IEEE C57.13.3-2014 REDLINE IEEE Guide for Grounding of Instrument Transformer Secondary Circuits and Cases
IEEE C37.2-2008 IEEE Standard Electrical Power System Device Function Numbers, Acronyms, and Contact Designations
IEC 60044-6:1992 Instrument transformers - Part 6: Requirements for protective current transformers for transient performance
IEEE C37.119-2005 IEEE Guide for Breaker Failure Protection of Power Circuit Breakers
IEC 60044-1:1996+AMD1:2000+AMD2:2002 CSV Instrument transformers - Part 1: Current transformers
IEEE C37.233 : 2009 GUIDE FOR POWER SYSTEM PROTECTION TESTING
IEEE C57.13-2008 IEEE Standard Requirements for Instrument Transformers

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