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IEEE Guide for Breaker Failure Protection of Power Circuit Breakers, 2016
- IEEE Std C37.119™-2016 Front cover
- Title page
- Important Notices and Disclaimers Concerning IEEE Standards Documents
- Participants
- Introduction
- Contents
- Important Notice
- 1. Overview [Go to Page]
- 1.1 General
- 1.2 Scope
- 1.3 Purpose
- 2. Normative references
- 3. Definitions, acronyms, and abbreviations [Go to Page]
- 3.1 Definitions
- 3.2 Acronyms and abbreviations
- 4. Need for breaker failure protection
- 5. Breaker failure modes
- 6. Breaker failure protection schemes [Go to Page]
- 6.1 Basic breaker failure scheme
- 6.2 Basic breaker failure with re-trip logic
- 6.3 Breaker failure scheme for dual breaker arrangements
- 6.4 Breaker failure scheme based on 50BF pickup time
- 6.5 Breaker failure scheme with two-step timing arrangement
- 6.6 Breaker failure initiate seal-in
- 6.7 Breaker failure minimal current scheme
- 6.8 Dual timer breaker failure scheme with fast breaker auxiliary contact and current detector reset check
- 6.9 Triple timer breaker failure scheme
- 6.10 Single-phase tripping, breaker failure, and re-trip logic
- 6.11 Breaker failure timer bypass scheme
- 6.12 Current differential breaker failure protection
- 6.13 Ground fault breaker failure on both live tank circuit breaker and current transformer column failure
- 6.14 Series (tandem) breakers
- 6.15 Breaker failure protection for generator applications [Go to Page]
- 6.15.1 Mechanical indication of breaker status (52a)
- 6.15.2 CT locations
- 6.15.3 Open generator breaker flashover protection
- 6.15.4 Breaker arrangements, unit-connected generator with high-side breakers
- 6.15.5 Breaker arrangements, generator low-side breaker
- 6.15.6 Generator breaker failure to close protection
- 7. Breaker failure design considerations [Go to Page]
- 7.1 General considerations
- 7.2 Breaker failure current supervision (50BF) [Go to Page]
- 7.2.1 Phase current detectors
- 7.2.2 Ground current detectors
- 7.3 Breaker failure as part of the primary protection for an element [Go to Page]
- 7.3.1 Part of feeder, transformer, motor, or transmission line protection devices
- 7.3.2 Part of centralized bus protection devices
- 7.3.3 Part of distributed bus protection devices
- 7.4 Breaker failure initiation [Go to Page]
- 7.4.1 False BFI due to accidental dc battery grounding
- 7.5 Breaker failure actions
- 7.6 Practical considerations, applying breaker failure protection to redundant control circuits [Go to Page]
- 7.6.1 Example: breaker failure protection with redundant electro-mechanical or static primary relaying
- 7.6.2 Breaker failure initiation by an adjacent breaker failure
- 7.6.3 Lockout of circuit restoration after breaker failure
- 8. Factors influencing breaker failure protection settings [Go to Page]
- 8.1 General factors
- 8.2 Current detector pickup
- 8.3 Breaker failure timer
- 8.4 Total clearing time requirements
- 8.5 Control timer setting for scheme described in subclause 6.4
- 9. Communications-based breaker failure protection [Go to Page]
- 9.1 Teleprotection in conventional breaker failure protection
- 9.2 High-speed peer-to-peer communications on substation LAN or system WAN [Go to Page]
- 9.2.1 Application to initiate breaker failure protection
- 9.2.2 Applications to trip breakers from breaker failure protection
- 10. Breaker failure relay and breaker failure protection scheme testing [Go to Page]
- 10.1 General
- 10.2 BFP scheme testing guidelines and awareness
- 10.3 Overall system testing
- C37+119-2016 (3).pdf [Go to Page]
- IEEE Std C37.119™-2016 Front cover
- Title page
- Important Notices and Disclaimers Concerning IEEE Standards Documents
- Participants
- Introduction
- Contents
- List of Figures
- IMPORTANT NOTICE
- 1. Overview [Go to Page]
- 1.1 General
- 1.2 Scope
- 1.3 Purpose
- 2. Normative references
- 3. Definitions, acronyms, and abbreviations [Go to Page]
- 3.1 Definitions
- 3.2 Acronyms and abbreviations
- 4. Need for breaker failure protection
- 5. Breaker failure modes
- 6. Breaker failure protection schemes [Go to Page]
- 6.1 Basic breaker failure scheme
- 6.2 Basic breaker failure with re-trip logic
- 6.3 Breaker failure scheme for dual breaker arrangements
- 6.4 Breaker failure scheme based on 50BF pickup time
- 6.5 Breaker failure scheme with two-step timing arrangement
- 6.6 Breaker failure initiate seal-in
- 6.7 Breaker failure minimal current scheme
- 6.8 Dual timer breaker failure scheme with fast breaker auxiliary contact and current detector reset check
- 6.9 Triple timer breaker failure scheme
- 6.10 Single-phase tripping, breaker failure, and re-trip logic
- 6.11 Breaker failure timer bypass scheme
- 6.12 Current differential breaker failure protection
- 6.13 Ground fault breaker failure on both live tank circuit breaker and current transformer column failure
- 6.14 Series (tandem) breakers
- 6.15 Breaker failure protection for generator applications
- 7. Breaker failure design considerations [Go to Page]
- 7.1 General considerations
- 7.2 Breaker failure current supervision (50BF)
- 7.3 Breaker failure as part of the primary protection for an element
- 7.4 Breaker failure initiation
- 7.5 Breaker failure actions
- 7.6 Practical considerations, applying breaker failure protection to redundant control circuits
- 8. Factors influencing breaker failure protection settings [Go to Page]
- 8.1 General factors
- 8.2 Current detector pickup
- 8.3 Breaker failure timer
- 8.4 Total clearing time requirements
- 8.5 Control timer setting for scheme described in 6.4
- 9. Communications-based breaker failure protection [Go to Page]
- 9.1 Teleprotection in conventional breaker failure protection
- 9.2 High-speed peer-to-peer communications on substation LAN or system WAN
- 10. Breaker failure relay and breaker failure protection scheme testing [Go to Page]
- 10.1 General
- 10.2 BFP scheme testing guidelines and awareness
- 10.3 Overall system testing
- Annex A (informative) Bibliography
- Annex B (informative) Breaker failure setting example
- Back cover [Go to Page]