Schweitzer Engineering Laboratories SEL-2BFR Manuals

Schweitzer Engineering Laboratories SEL-2BFR Manuals

Manuals and User Guides for Schweitzer Engineering Laboratories SEL-2BFR. We have 1 Schweitzer Engineering Laboratories SEL-2BFR manual available for free PDF download: Instruction Manual

Schweitzer Engineering Laboratories SEL-2BFR Instruction Manual

Schweitzer Engineering Laboratories SEL-2BFR Instruction Manual (240 pages)

Breaker Failure Relay and Monitor

Brand: Schweitzer Engineering Laboratories | Category: Relays | Size: 6 MB

Table of Contents

Table of Contents

9
- Section 1: Introduction
  5
- Introduction
  11
  - Getting Started
    11
  - Overview
    11
    
    Relay Features
    11
  - Model Variations
    12
    
    2BFR-2 Relay
    12
    
    Conventional Terminal Block
    12
    
    SEL-2BFR Relay
    12
    
    Sel-Bfr
    12
    
    Phase Rotation
    13
    
    Plug-In Connector
    13
    
    System Frequency
    13
  - General Description
    13
Table of Contents

17
- Date Code
  21
- Specifications
  21
  - General Specifications
    21
    
    General
    21
Table of Contents

115
- Applications
  117
- Breaker Failure Relaying Overview
  117
- SEL-2BFR Relay Application
  119
  - Relay AC Current and Voltage Inputs
    119
  - Example Breaker
    120
  - Scheme Overview
    120
  - Setting Selection
    121
    
    Select Failure to Trip Fault Current Scheme
    121
    
    Select 50FT Overcurrent Element Setting
    125
    
    Select Scheme Timer Settings
    126
    
    Select 50LD Overcurrent Element Setting
    128
    
    Select 62LP and 62LD Settings
    128
    
    Select 52A Supervised Breaker Failure Protection Settings
    129
    
    Select Time-Delayed Retrip Settings
    129
    
    37OP Setting
    130
    
    Select Trip and Close Resistor Thermal Element Settings
    130
    
    26TF and 26TP Thermal Element Settings
    131
  - Settings
    132
    
    47Q Negative-Sequence Overvoltage Element Setting
    132
    
    62OP Time Delay Pickup Setting
    133
    
    CRTC and TRTC Resistor Cooling Time Constants
    133
    
    Select Breaker Pole Flashover Settings
    133
    
    62UC Time Delay Pickup Timer Setting
    134
    
    87UB Unbalance Current Ratio
    134
    
    Select Phase Discordance/Failure to Close Settings
    134
    
    50MD Overcurrent Element Setting
    135
    
    62UF and 62UP Timer Settings
    135
    
    MOD Trip Logic Enabled, Modtrip Equals y
    135
    
    Select MOD Trip Logic Setting
    135
    
    50MD Overcurrent Element Setting
    136
    
    62M1 and 62M2 Timer Settings
    136
    
    62M1 Timer Setting
    136
    
    MOD Trip Logic Disabled, Modtrip Equals N
    136
    
    Select Breaker Monitor Settings Topen, Tclose, Vwarn
    136
    
    Select CTR and PTR Settings
    136
    
    Example Setting Summary
    137
    
    Select Serial Port Timeout Settings TIME1 and TIME2
    137
    
    Select the Autoport Setting AUTO
    137
    
    Select the External Modem Answer Setting RINGS
    137
    
    Example Setting Group
    138
  - Logic Mask Setting Selection
    138
    
    Logic Mask M86T
    139
    
    M86T Mask Controls the 86BF TRIP Output
    139
    
    MER Logic Mask Triggers Event Report Generation
    139
    
    Logic Mask MA1
    140
    
    Logic Mask MER
    140
    
    MA1 Mask Controls the A1 Output, Breaker Operation Alarms
    140
    
    Logic Mask MA4
    141
    
    Logic Mask MA5
    141
    
    MA3 Controls the A3 Output, MOD Trip
    141
    
    MA4 Controls the A4 Output, Pending Failure Retrip
    141
    
    MA5 Controls the A5 Output, 86BF Reset
    141
  - Other Programmable Output Applications
    142
    
    Single-Pole Instantaneous or Time-Delayed Retrip
    142
    
    Three-Pole Instantaneous or Time-Delayed Retrip
    142
    
    Hot Resistor Indication
    143
    
    Loss-Of-Potential Indication
    143
Table of Contents

221
- Appendix A - Firmware Versions in this Manual
  
  223
- Appendix B - Internal Diagrams
  
  225
- Appendix C - Sel-Bfr Specifications
  
  227
  - SEL-BFR General Specifications
    227
  - SEL-BFR Installation
    228
    
    Communications Circuits
    228
    
    Control Circuits
    228
    
    Frame Ground Connection
    228
    
    Mounting
    228
    
    Power Connections
    228
    
    Secondary Circuits
    228
    
    EIA-232 Jumpers
    229
    
    Jumper Selection
    229
    
    Output Contact Soldered Wire Jumpers
    229
    
    Password Protection Jumper
    229
    
    Remote Control Enable Jumper
    229
    
    IRIG-B Installation
    230

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