Schweitzer Engineering Laboratories SEL-311L Manuals

Manuals and User Guides for Schweitzer Engineering Laboratories SEL-311L. We have 1 Schweitzer Engineering Laboratories SEL-311L manual available for free PDF download: Instruction Manual

Schweitzer Engineering Laboratories SEL-311L Instruction Manual (734 pages)

LINE CURRENT DIFFERENTIAL PROTECTION AND AUTOMATION SYSTEM

Brand: Schweitzer Engineering Laboratories | Category: Protection Device | Size: 7.25 MB

Table of Contents

7
- Introduction and Specifications
  9
Table of Contents

27
- Installation
  29
Table of Contents

51
Table of Contents

145
Table of Contents

175
- Introduction
  177
- Line Current Differential Trips
  177
- Trip and Target Logic
  177
- Backup Protection Trips
  181
  - Set Trip
    183
  - Unlatch Trip
    184
  - Factory Settings Example (Using Setting TR)
    184
  - Additional Settings Examples
    185
  - Program an Output Contact for Tripping
    186
- Switch-Onto-Fault (SOTF) Trip Logic
  186
- Communications-Assisted Trip Logic-General Overview
  190
  - Enable Setting ECOMM
    191
  - Trip Setting TRCOMM
    191
  - Trip Settings TRSOTF and TR
    192
  - Trip Setting DTT
    192
  - Use Existing SEL-321 Relay Application Guides for the SEL-311L Relay
    192
- Permissive Overreaching Transfer Trip (POTT) Logic
  193
  - Use Existing SEL-321 Relay POTT Application Guide for the SEL-311L Relay
    193
  - External Inputs
    193
  - Timer Settings
    194
  - Logic Outputs
    194
- Weak-Infeed Logic and Settings
  195
- Directional Comparison Unblocking (DCUB) Logic
  200
  - Use Existing SEL-321 Relay DCUB Application Guide for the SEL-311L Relay
    200
  - External Inputs
    200
  - Timer Settings
    201
  - Logic Outputs
    202
  - Installation Variations
    204
- Directional Comparison Blocking (DCB) Logic
  206
  - Use Existing SEL-321 Relay DCB Application Guide for the SEL-311L Relay
    206
Table of Contents

217
- Close and Reclose Logic
  219
- Close Logic
  219
  - Set Close
    220
  - Unlatch Close
    221
  - Factory Settings Example
    221
  - Defeat the Close Logic
    222
  - Circuit Breaker Status
    222
  - Program an Output Contact for Closing
    222
- Overview
  219
- Reclose Supervision Logic
  223
  - Settings and General Operation
    225
  - Settings Example
    227
- Reclosing Relay
  229
Table of Contents

249
Table of Contents

303
Section 10: Line Current Differential

425
- Current Differential Communications, Channel Configuration, and Channel Monitor
  427
  - Channel Configuration Settings
    427
  - Types
    432
  - Availability and Delay Monitor Drive Front Panel LED 87CH FAIL
    432
  - Rear Panel TX/RX LED
    432
  - Loopback, End-To-End, and Back-To-Back Testing with the TST Command
    436
  - 87L COMM Report
    437
  - Irig-B
    439
  - SEL-311L to Computer
    440
  - SEL-311L to Starcomm Modem, 5 VDC Powered
    442
  - SEL-311L to Modem or Other DCE
    442
- Introduction
  427
- Section 10: Line Current Differential
  427
  - Communications and Serial Port
    427
  - Communications and Commands
    427
- Communications Protocols
  443
  - Hardware Protocol
    443
  - Software Protocols
    443
  - SEL-DTA Protocol
    446
  - Using and Changing SEL-311L Relay Passwords
    446
- Serial Port Access Levels
  448
  - Access Level 0
    448
  - Access Level 1
    448
  - Access Level B
    449
  - Access Level 2
    451
- Command Explanations
  452
  - Access Level 0 Commands
    452
  - Access Level 1 Commands
    454
  - Access Level B Commands
    474
  - Access Level 2 Commands
    477
- SEL-311L Relay Command Summary
  481
Table of Contents

485
- Front-Panel Interface
  487
- Front-Panel Pushbutton Operation
  487
  - Overview
    487
  - Primary Functions
    487
    
    Front-Panel Password Security
    488
  - Secondary Functions
    489
- Introduction
  487
- Functions Unique to the Front-Panel Interface
  491
  - Reclosing Relay Shot Counter Screen
    491
    
    Reclosing Relay Shot Counter Screen Operation
    492
  - Local Control
    493
    
    View Local Control (with Example Settings)
    494
    
    Operate Local Control (with Example Settings)
    495
    
    Local Control State Retained When Relay Deenergized
    496
- Rotating Default Display
  497
  - Scroll Lock Control of Front Panel LCD
    500
  - Stop Scrolling (Lock)
    500
  - Restart Scrolling (Unlock)
    500
  - Single Step
    500
  - Exit
    501
  - Cancel
    501
  - Additional Rotating Default Display Example
    501
Section 12: Standard Event Reports and Ser

503
Table of Contents

553
- Introduction
  555
- Testing Philosophy
  555
  - Acceptance Testing
    555
  - Commissioning Testing
    555
  - Maintenance Testing
    556
  - Test Methods
    559
  - Introduction
    560
    
    Protection)
    568
- Testing, Troubleshooting, and Commissioning
  555
- Relay Troubleshooting
  570
  - Inspection Procedure
    570
  - Troubleshooting Procedure
    570
- Factory Assistance
  573
- Relay Calibration
  573
Section 14: Application Settings for Sel-311L Relays

575
- Section 14: Application Settings for Sel-311L Relays
  577
  - Introduction
    577
    
    Application Settings
    579
    
    Application Settings
    599
    
    Application Settings
    625
Appendix B: Firmware Upgrade Instructions/Appendix D: Configuration, Fast Meter, and Fast

651
- Appendix A: Firmware Versions
  657
- Appendix B: Firmware Upgrade Instructions
  657
  - Upgrade Procedure
    657
  - Appendix C: Sel Distributed Port Switch Protocol
    657
  - Settings
    657
  - Operation
    663
- Appendix D: Configuration, Fast Meter, and Fast
  665
  - Operate Commands
    665
  - Introduction
    665
  - Message Lists
    665
  - Message Definitions
    666
    
    ID Message
    675
    
    DNA Message
    676
    
    BNA Message
    678
    
    SNS Message
    678
  - Appendix I: Mirrored Bits ™ Communications
    717
    
    Message Decoding and Integrity Checks
    717
    
    Message Transmission
    717
    
    Operation
    717
    
    Overview
    717
    
    Synchronization
    718
    
    Channel Monitoring
    719
    
    Loopback Testing
    719
    
    Mirrored Bits
    719
    
    Settings
    720
  - Appendix J: Example Calculations for 87L Settings
    723
    
    87LANG Setting Considerations
    723
    
    Calculating I AR al
    724
    
    Calculating I for Ground Faults
    725
    
    Summary
    726
    
    Example 1: 500 Kv OH Transmission Line: 100 Miles of Single 1113 MCM Conductor
    727
    
    Example 2: 15 Kv Underground Cable: 5 Miles
    727
    
    Line Charging Current Calculation Examples
    727
    
    Ground Fault Resistance Coverage with 87L2P = 0.5 a
    728
  - Appendix K: Sel-5030 Ac Sel Erator
    729
    
    AC SEL ERATOR System Requirements
    729
    
    Introduction
    729
    
    Installation
    730
    
    Starting AC SEL ERATOR
    730

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Relays Computer Hardware Transceiver Protection Device Measuring Instruments

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Schweitzer Engineering Laboratories SEL-311L Manuals

Schweitzer Engineering Laboratories SEL-311L Instruction Manual (734 pages)

Table of Contents

Table of Contents

Table of Contents

Table of Contents

Table of Contents

Table of Contents

Table of Contents

Table of Contents

Table of Contents

Section 10: Line Current Differential

Table of Contents

Section 12: Standard Event Reports and Ser

Table of Contents

Section 14: Application Settings for Sel-311L Relays

Appendix B: Firmware Upgrade Instructions/Appendix D: Configuration, Fast Meter, and Fast

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