Schweitzer Engineering Laboratories SEL-351 Manuals

Manuals and User Guides for Schweitzer Engineering Laboratories SEL-351. We have 1 Schweitzer Engineering Laboratories SEL-351 manual available for free PDF download: Instruction Manual

Schweitzer Engineering Laboratories SEL-351 Instruction Manual (614 pages)

DIRECTIONAL OVERCURRENT RELAY RECLOSING RELAY FAULT LOCATOR

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

Table of Contents

15
- Section 1: Introduction and Specifications
  17
Section 2: Installation

37
- Table of Contents
  37
- Section 2: Installation
  41
  - Relay Mounting
    41
  - Rear-Panel Connection Diagrams
    42
  - Making Rear-Panel Connections
    47
    
    Improvements in Connectorized
    47
    
    Models 0351Xt and 0351Xy (Plug-In Connectors)
    47
    
    Relays (Plug-In Connectors) Result in
    47
    
    Required Equipment and General Connection Information
    47
    
    Wiring Harness
    48
    
    Chassis Ground
    49
    
    Models 0351X0 and 0351X1
    49
    
    Models 0351X0 and 0351X1 (Screw-Terminal Blocks)
    49
    
    Models 0351Xt and 0351Xy
    49
    
    High-Current Interrupting Output Contacts
    50
    
    Model 0351Xt
    50
    
    Models 0351X0 and 0351X1
    50
    
    Models 0351Xt and 0351Xy
    50
    
    Output Contacts
    50
    
    Power Supply
    50
    
    Standard Output Contacts
    50
    
    Model 0351X0
    51
    
    Models 0351X1 and 0351Xy
    51
    
    Standard Output Contacts
    51
    
    Current Transformer Inputs
    52
    
    High-Current Interrupting Output Contacts
    52
    
    Models 0351Xt and 0351Xy
    52
    
    Optoisolated Inputs
    52
    
    Delta-Connected Voltages
    53
    
    Models 0351X0 and 0351X1
    53
    
    Models 0351Xt and 0351Xy
    53
    
    Potential Transformer Inputs
    53
    
    Wye-Connected Voltages
    53
    
    Delta-Connected Voltages
    54
    
    Models 0351X0 and 0351X1
    54
    
    Serial Ports
    54
    
    Wye-Connected Voltages
    54
    
    IRIG-B Time-Code Input
    56
    
    Example
    57
  - Circuit Board Connections
    65
    
    Accessing the Relay Circuit Boards
    65
    
    Extra Alarm" Output Contact Control Jumper
    70
    
    Output Contact Jumpers
    70
Section 3: Overcurrent, Voltage, Synchronism Check, Frequency, and Power Elements/Section 3: Overcurrent, Voltage, Synchronism Check, Frequency, and Power Elements

75
- Instantaneous/Definite-Time Overcurrent Elements
  79
  - Phase Instantaneous/Definite-Time Overcurrent Elements
    79
    
    Accuracy
    79
    
    Settings Ranges
    79
    
    Pickup Operation
    81
    
    Directional Control Option
    83
    
    Torque Control
    83
    
    Combined Single-Phase Instantaneous Overcurrent Elements
    84
    
    Pickup and Reset Time Curves
    85
  - Phase-To-Phase Instantaneous Overcurrent Elements
    86
    
    Accuracy
    86
    
    Pickup and Reset Time Curves
    86
    
    Pickup Operation
    86
    
    Setting Range
    86
  - Neutral Ground Instantaneous/Definite-Time Overcurrent Elements
    86
    
    Accuracy
    89
    
    Pickup and Reset Time Curves
    89
    
    Settings Ranges
    89
  - Residual Ground Instantaneous/Definite-Time Overcurrent Elements
    90
    
    Accuracy
    91
    
    Pickup and Reset Time Curves
    91
    
    Settings Ranges
    91
  - Negative-Sequence Instantaneous/Definite-Time Overcurrent Elements
    92
    
    Accuracy
    92
    
    Pickup and Reset Time Curves
    92
    
    Settings Ranges
    92
- Section 3: Overcurrent, Voltage, Synchronism Check, Frequency, and Power Elements
  79
- Time-Overcurrent Elements
  94
  - Phase Time-Overcurrent Elements
    94
    
    Settings Ranges (51PT Element Example)
    95
    
    Accuracy
    96
    
    Logic Outputs (51PT Element Example)
    96
    
    Torque Control Switch Closed
    97
    
    Torque Control Switch Open
    97
    
    Torque Control Switch Operation (51PT Element Example)
    97
    
    Control of Logic Point TCP
    98
    
    Directional Control Option
    98
    
    Torque Control
    98
    
    Reset Timing Details (51PT Element Example)
    99
    
    Setting 51PRS = y
    99
    
    Operation of Single-Phase Time-Overcurrent Elements (51AT, 51BT, 51CT)
    100
    
    Setting 51PRS = N
    100
  - Neutral Ground Time-Overcurrent Element
    102
    
    Accuracy
    103
    
    Settings Ranges
    103
  - Residual Ground Time-Overcurrent Element
    103
    
    Settings Ranges
    104
    
    Accuracy
    105
  - Negative-Sequence Time-Overcurrent Element
    105
    
    Accuracy
    106
    
    Settings Ranges
    106
- Voltage Elements
  107
  - Voltage Values
    107
  - Voltage Element Settings
    107
    
    Accuracy
    114
  - Voltage Element Operation
    114
    
    Overvoltage Element Operation Example
    115
    
    Undervoltage Element Operation Example
    115
  - Voltage Elements Used in POTT Logic
    115
- Synchronism Check Elements
  116
- Frequency Elements
  129
  - Frequency Element Settings
    129
    
    Accuracy
    131
    
    Create Over- and Underfrequency Elements
    131
    
    Overfrequency Element
    132
    
    Underfrequency Element
    132
  - Frequency Element Operation
    132
    
    Overfrequency Element Operation
    132
    
    Frequency Element Voltage Control
    133
    
    Instruction Manual
    133
    
    Other Uses for Undervoltage Element 27B81
    133
    
    Underfrequency Element Operation
    133
Section 4: Loss-Of-Potential, Load Encroachment, and Directional Element Logic/Section 4: Loss-Of-Potential, Load Encroachment, and Directional Element Logic

143
Section 5: Trip and Target Logic

183
- Section 5: Trip and Target Logic
  187
- Trip Logic
  187
  - Set Trip
    189
  - Unlatch Trip
    190
    
    Other Applications for the Target Reset Function
    191
  - Factory Settings Example (Using Setting TR)
    191
    
    Set Trip
    191
    
    Unlatch Trip
    192
  - Additional Settings Examples
    192
    
    Unlatch Trip with 52A Circuit Breaker Auxiliary Contact
    192
    
    Unlatch Trip with 52B Circuit Breaker Auxiliary Contact
    192
  - Program an Output Contact for Tripping
    193
- Switch-Onto-Fault (SOTF) Trip Logic
  193
- Permissive Overreaching Transfer Trip (POTT) Logic
  200
  - Use Existing SEL-321 Relay POTT Application Guide for the SEL-351 Relay
    200
  - External Inputs
    200
    
    PT1 - Received Permissive Trip Signal(S)
    201
  - Timer Settings
    201
    
    Z3RBD - Zone (Level) 3 Reverse Block Delay
    201
    
    EBLKD - Echo Block Delay
    202
    
    EDURD - Echo Duration
    202
    
    ETDPU - Echo Time Delay Pickup
    202
  - Logic Outputs
    202
    
    ECTT - Echo Conversion to Trip
    202
    
    EKEY - Echo Key Permissive Trip
    202
    
    KEY - Key Permissive Trip
    202
    
    Z3RB - Zone (Level) 3 Reverse Block
    202
  - Variations for Permissive Underreaching Transfer Trip (PUTT) Scheme
    204
  - Date Code 20001006 Trip and Target Logic
    205
- Directional Comparison Unblocking (DCUB) Logic
  205
  - Use Existing SEL-321 Relay DCUB Application Guide for the SEL-351 Relay
    206
  - External Inputs
    206
    
    LOG1, LOG2 - Loss-Of-Guard Signal(S)
    206
    
    PT1, PT2 - Received Permissive Trip Signal(S)
    206
  - Timer Settings
    207
    
    GARD1D - Guard-Present Delay
    207
    
    UBDURD - DCUB Disable Delay
    207
    
    UBEND - DCUB Duration Delay
    207
  - Logic Outputs
    207
    
    UBB1, UBB2 - Unblocking Block Output(S)
    207
    
    PTRX1, PTRX2 - Permissive Trip Receive Outputs
    209
  - Installation Variations
    209
- Directional Comparison Blocking (DCB) Logic
  210
- Front-Panel Target Leds
  215
  - Additional Target LED Information
    216
    
    Another Application for the COMM Target LED
    216
    
    COMM Target LED
    216
    
    INST Target LED
    216
    
    TRIP Target LED
    216
    
    50 Target LED
    217
    
    A, B, and C Target Leds
    217
    
    FAULT TYPE Target Leds
    217
    
    G Target LED
    217
    
    SOTF Target LED
    217
    
    79 Target Leds
    218
    
    N Target LED
    218
  - Target Reset/Lamp Test Front-Panel Pushbutton
    218
    
    Other Applications for the Target Reset Function
    218
Section 6: Close and Reclose Logic

221
- Close Logic
  223
  - Set Close
    224
  - Unlatch Close
    225
  - Factory Settings Example
    225
    
    Set Close
    226
    
    Unlatch Close
    226
  - Defeat the Close Logic
    226
  - Circuit Breaker Status
    226
  - Program an Output Contact for Closing
    227
  - Settings and General Operation
    230
  - For most Applications (Top of Figure 6.2)
    230
  - For a Few, Unique Applications (Bottom of Figure 6.2 and Figure 6.3)
    230
  - Set Reclose Supervision Logic (Bottom of Figure 6.2)
    231
  - Unlatch Reclose Supervision Logic (Bottom of Figure 6.2)
    231
  - Factory Settings Example
    232
    
    Other Setting Considerations for SEL-351(1) and SEL-351(2) Relays
    233
    
    SEL-351(1) Relay
    233
  - Additional Settings Example 2
    234
- Section 6: Close and Reclose Logic
  223
- Reclosing Relay
  234
Section 7: Inputs, Outputs, Timers, and Other Control Logic/Section 7: Inputs, Outputs, Timers, and Other Control Logic

255
- Optoisolated Inputs
  259
  - Input Debounce Timers
    261
  - Input Functions
    262
  - Factory Settings Examples
    262
    
    Input IN1
    262
    
    Input IN2
    263
  - Details on the Remote Control Switch MOMENTARY Position
    264
- Section 7: Inputs, Outputs, Timers, and Other Control Logic
  259
- Local Control Switches
  264
  - Local Control Switch Types
    265
    
    OFF/MOMENTARY Switch
    265
    
    ON/OFF Switch
    265
    
    ON/OFF/MOMENTARY Switch
    266
  - Factory Settings Examples
    267
  - Additional Local Control Switch Application Ideas
    268
  - Local Control Switch States Retained
    268
    
    Power Loss
    268
    
    Settings Change or Active Setting Group Change
    269
- Remote Control Switches
  269
- Multiple Setting Groups
  279
- Sel Ogic
  288
- Output Contacts
  292
  - Factory Settings Example
    292
  - Operation of Output Contacts for Different Output Contact Types
    292
    
    Output Contacts OUT1 through OUT11 (Model 0351Xt Example)
    292
    
    ALARM Output Contact
    293
- Rotating Default Display
  296
Section 8: Breaker Monitor, Metering, and Load Profile Functions/Section 8: Breaker Monitor, Metering, and Load Profile Functions

305
- Breaker Monitor
  307
  - Breaker Monitor Setting Example
    310
    
    Breaker Maintenance Curve Details
    310
    
    Bkmon
    312
    
    Operation of SEL OGIC ® Control Equation Breaker Monitor Initiation Setting
    312
  - Breaker Monitor Operation Example
    313
    
    0% to 10% Breaker Wear
    313
    
    10% to 25% Breaker Wear
    313
    
    25% to 50% Breaker Wear
    313
    
    50% to 100% Breaker Wear
    313
  - Breaker Monitor Output
    318
    
    Example Applications
    318
  - View or Reset Breaker Monitor Information
    318
    
    Via Serial Port
    318
    
    Via Front Panel
    319
  - Determination of Relay Initiated Trips and Externally Initiated Trips
    319
    
    Additional Example
    319
    
    Factory Default Setting Example
    319
- Introduction
  307
- Section 8: Breaker Monitor, Metering, and Load Profile Functions
  307
- Station DC Battery Monitor
  320
- Demand Metering
  326
- Energy Metering
  334
  - View or Reset Energy Metering Information
    334
    
    Via Front Panel
    335
  - Energy Metering Updating and Storage
    335
- Maximum/Minimum Metering
  335
Section 9: Setting the Relay

341
- Introduction
  343
- Section 9: Setting the Relay
  343
- Settings Changes Via the Front Panel
  343
- Settings Changes Via the Serial Port
  343
- Time-Overcurrent Curves
  345
- Relay Word Bits (Used in SEL OGIC ® Control Equations)
  349
- Settings Explanations
  377
  - Identifier Labels
    377
  - Current Transformer Ratios
    378
  - Line Settings
    378
  - Delta-Connected Voltages
    379
  - Enable Settings
    379
  - Other System Parameters
    379
- Settings Sheets
  379
Section 10: Serial Port Communications and Commands/Section 10: Serial Port Communications and Commands

405
- Introduction
  407
- Section 10: Serial Port Communications and Commands
  407
- Port Connector and Communications Cables
  408
  - Irig-B
    408
  - SEL-351 to Computer
    410
  - SEL-351 to Modem
    410
  - SEL-351 to SEL-PRTU
    411
  - To SEL-2020, SEL-2030, or SEL-2100
    411
  - SEL-351 to SEL-DTA2
    411
- Communications Protocol
  412
  - Hardware Protocol
    412
  - Software Protocols
    412
    
    SEL ASCII Protocol
    413
    
    Distributed Network Protocol (DNP) V3.00
    414
    
    Mirrored Bits
    414
    
    SEL Compressed ASCII Protocol
    414
    
    SEL Distributed Port Switch Protocol (LMD)
    414
- Serial Port Automatic Messages
  414
- Serial Port Access Levels
  415
  - Access Level 0
    415
  - Access Level 1
    416
  - Access Level B
    416
  - Access Level 2
    417
- Command Summary
  417
- Command Explanations
  419
- Sel-351 Relay Command Summary
  445
Section 11: Front-Panel Interface

449
- Front-Panel Pushbutton Operation
  451
  - Overview
    451
  - Primary Functions
    451
    
    Front-Panel Password Security
    452
  - Secondary Functions
    453
- Introduction
  451
- Section 11: Front-Panel Interface
  451
- Functions Unique to the Front-Panel Interface
  455
  - Reclosing Relay Shot Counter Screen
    455
    
    Reclosing Relay Shot Counter Screen Operation (with Factory Settings)
    456
  - Local Control
    457
    
    View Local Control (with Factory Settings)
    458
    
    Operate Local Control (with Factory Settings)
    459
    
    Local Control State Retained When Relay Deenergized
    460
- Rotating Default Display
  461
  - Additional Rotating Default Display Example
    464
Section 12: Standard Event Reports, Sag/Swell/ Interruption Report, and Ser/Section 12: Standard Event Reports, Sag/Swell/ Interruption Report, and Ser

465
- Interruption Report, and Ser
  467
  - Introduction
    467
  - Section 12: Standard Event Reports, Sag/Swell/ Interruption Report, and Ser
    467
  - Standard 15/30-Cycle Event Reports
    467
    
    Event Report Length (Settings LER and PRE)
    467
    
    Relay Word Bit TRIP
    468
    
    Standard Event Report Triggering
    468
    
    TRI (Trigger Event Report) and PUL (Pulse Output Contact) Commands
    469
    
    Event Type
    470
    
    Standard Event Report Summary
    470
    
    Currents
    471
    
    Fault Location
    471
    
    Targets
    471
    
    Retrieving Full-Length Standard Event Reports
    472
    
    Compressed ASCII Event Reports
    473
    
    Filtered and Unfiltered Event Reports
    473
    
    Clearing Standard Event Report Buffer
    474
    
    Current, Voltage, and Frequency Columns
    474
    
    Standard Event Report Column Definitions
    474
    
    Output, Input, and Protection and Control Columns
    475
  - Sequential Events Recorder (SER) Report
    489
    
    Make Sequential Events Recorder (SER) Settings with Care
    490
    
    Making SER Trigger Settings
    490
    
    Retrieving SER Reports
    490
    
    Clearing SER Report
    492
  - Example Standard 15-Cycle Event Report
    492
  - Example Sequential Events Recorder (SER) Report
    500
    
    SSI Triggering and Recording
    502
    
    Retrieving SSI Reports
    503
    
    Clearing SSI Report
    504
  - Example Sag/Swell/Interruption (SSI) Report
    504
Section 13: Testing and Troubleshooting

505
- Introduction
  507
- Section 13: Testing and Troubleshooting
  507
- Testing Philosophy
  507
  - Acceptance Testing
    507
  - Commissioning Testing
    507
- Testing Methods and Tools
  509
  - Test Features Provided by the Relay
    509
  - Low-Level Test Interface
    509
    
    Delta-Connected Voltages
    510
    
    Sensitive Earth Fault (SEF) Channel in (0.05 a Nominal)
    510
  - Test Methods
    510
    
    Testing Via Front-Panel Indicators
    511
    
    Testing Via Output Contacts
    511
    
    Testing Via Sequential Events Recorder
    511
- Relay Self-Tests
  512
- Relay Troubleshooting
  514
  - Inspection Procedure
    514
  - Troubleshooting Procedure
    515
    
    All Front-Panel Leds Dark
    515
    
    Cannot See Characters on Relay LCD Screen
    515
    
    Relay Does Not Respond to Commands from Device Connected to Serial Port
    515
    
    Relay Does Not Respond to Faults
    515
- Relay Calibration
  515
- Factory Assistance
  516
Table of Contents

517
- Appendix A: Firmware Versions
  
  521
  - Determining the Firmware Version in Your Relay
    521
  - Firmware Revision History Table
    522
- Appendix B: Firmware Upgrade Instructions
  
  529
  - Firmware (Flash) Upgrade Instructions
    529
  - Required Equipment
    529
  - Upgrade Procedure
    529
- Appendix C: Sel Distributed Port Switch Protocol
  
  535
  - Settings
    535
  - Operation
    535
- Appendix D: Configuration, Fast Meter, and Fast Operate Commands
  
  537
  - Introduction
    537
  - Message Lists
    537
    
    ASCII Configuration Message List
    537
    
    Binary Message List
    537
  - Message Definitions
    538
    
    A5C0 Relay Definition Block
    538
    
    A5D1 Fast Meter Data Block
    541
    
    A5C2/A5C3 Demand/Peak Demand Fast Meter Configuration Messages
    543
    
    A5B9 Fast Meter Status Acknowledge Message
    545
    
    A5CE Fast Operate Configuration Block
    545
    
    A5D2/A5D3 Demand/Peak Demand Fast Meter Message
    545
    
    A5E0 Fast Operate Remote Bit Control
    546
    
    A5E3 Fast Operate Breaker Control
    547
    
    DNA Message
    548
    
    BNA Message
    549
- Appendix E: Compressed Ascii Commands
  
  551
  - CASCII Command - General Format
    551
  - CASCII Command - SEL-351
    552
  - CSTATUS Command - SEL-351
    557
  - CHISTORY Command - SEL-351
    558
  - CEVENT Command - SEL-351
    559
- Appendix F: Setting Negative-Sequence Overcurrent Elements
  
  563
  - Coordination Example
    564
    
    Apply the Feeder Relay Negative-Sequence Overcurrent Element
    566
    
    Traditional Phase Coordination
    566
    
    Convert "Equivalent" Phase Overcurrent Element Settings to Negative-Sequence Overcurrent Element Settings (Guideline 4
    567
    
    Negative-Sequence Overcurrent Element Applied at a Distribution Bus (Guideline 5
    568
    
    Ground Coordination Concerns
    569
  - Other Negative-Sequence Overcurrent Element References
    569
- Appendix G: Setting Sel Ogic ® Control Equations
  
  571
  - Relay Word Bits
    571
    
    Phase Time-Overcurrent Element 51PT Pickup Indication
    571
    
    Relay Word Bit Operation Example - Phase Time-Overcurrent Element 51PT
    571
    
    Other Relay Word Bits
    572
    
    Phase Time-Overcurrent Element 51PT Reset Indication
    572
    
    Phase Time-Overcurrent Element 51PT Time-Out Indication
    572
    
    Relay Word Bit Application Examples - Phase Time-Overcurrent Element 51PT
    572
    
    SEL OGIC Control Equation Operators
    573
    
    Example of NOT Operator ! Applied to Single Element
    574
    
    SEL OGIC Control Equation NOT Operator
    574
    
    SEL OGIC Control Equation Parentheses Operator
    574
    
    Example of NOT Operator ! Applied to Multiple Elements (Within Parentheses
    575
    
    SEL OGIC Control Equation Rising Edge Operator
    575
    
    SEL OGIC Control Equation Falling Edge Operator
    577
    
    SEL OGIC Control Equation Operation Example - Tripping
    577
    
    Set an Output Contact for Tripping
    579
    
    SEL OGIC Control Equation Limitations
    580
- Appendix H: Distributed Network Protocol (Dnp) V3.00
  
  585
  - Overview
    585
  - Data-Link Operation
    586
  - Data Access Method
    586
  - Device Profile
    587
  - Object Table
    590
  - Data Map
    593
  - Point Remapping
    597
  - Other Versions
    598
- Appendix I: Mirrored Bits
  
  603
- To 4
  
  603
  - Overview
    603
  - Operation
    603
    
    Message Decoding and Integrity Checks
    603
    
    Message Transmission
    603
    
    Synchronization
    604
    
    Channel Monitoring
    605
    
    Loop-Back Testing
    605
  - Mirrored Bits
    609
  - Settings
    612

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Schweitzer Engineering Laboratories SEL-351 Manuals

Schweitzer Engineering Laboratories SEL-351 Instruction Manual (614 pages)

Table of Contents

Table of Contents

Section 2: Installation

Section 3: Overcurrent, Voltage, Synchronism Check, Frequency, and Power Elements/Section 3: Overcurrent, Voltage, Synchronism Check, Frequency, and Power Elements

Section 4: Loss-Of-Potential, Load Encroachment, and Directional Element Logic/Section 4: Loss-Of-Potential, Load Encroachment, and Directional Element Logic

Section 5: Trip and Target Logic

Section 6: Close and Reclose Logic

Section 7: Inputs, Outputs, Timers, and Other Control Logic/Section 7: Inputs, Outputs, Timers, and Other Control Logic

Section 8: Breaker Monitor, Metering, and Load Profile Functions/Section 8: Breaker Monitor, Metering, and Load Profile Functions

Section 9: Setting the Relay

Section 10: Serial Port Communications and Commands/Section 10: Serial Port Communications and Commands

Section 11: Front-Panel Interface

Section 12: Standard Event Reports, Sag/Swell/ Interruption Report, and Ser/Section 12: Standard Event Reports, Sag/Swell/ Interruption Report, and Ser

Section 13: Testing and Troubleshooting

Table of Contents

Appendix A: Firmware Versions

Appendix B: Firmware Upgrade Instructions

Appendix C: Sel Distributed Port Switch Protocol

Appendix D: Configuration, Fast Meter, and Fast Operate Commands

Appendix E: Compressed Ascii Commands

Appendix F: Setting Negative-Sequence Overcurrent Elements

Appendix G: Setting Sel Ogic ® Control Equations

Appendix H: Distributed Network Protocol (Dnp) V3.00

Appendix I: Mirrored Bits

To 4

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