Schweitzer Engineering SEL-351P Manuals

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

Schweitzer Engineering SEL-351P Quick Start Manual (674 pages)

Brand: Schweitzer Engineering | Category: Controller | Size: 6 MB

Table of Contents

3
Section 1: Factory-Set Logic

93
Section 2: Additional Installation Details

155
Section 3: Overcurrent, Voltage, Synchronism Check, and Frequency Elements/Section 3: Overcurrent, Voltage, Synchronism Check, and Frequency Elements

165
- Voltage)
  166
- Instantaneous/Definite-Time Overcurrent Elements
  169
  - Phase Instantaneous/Definite-Time Overcurrent Elements
    169
    
    Accuracy
    169
    
    Settings Ranges
    169
    
    Pickup Operation
    171
    
    Directional Control Option
    173
    
    Torque Control
    173
    
    Combined Single-Phase Instantaneous Overcurrent Elements
    174
    
    Pickup and Reset Time Curves
    174
  - Phase-To-Phase Instantaneous Overcurrent Elements
    175
    
    Accuracy
    176
    
    Pickup and Reset Time Curves
    176
    
    Pickup Operation
    176
    
    Setting Range
    176
  - Neutral Ground Instantaneous/Definite-Time Overcurrent Elements
    176
    
    Accuracy
    179
    
    Pickup and Reset Time Curves
    179
    
    Settings Ranges
    179
  - Residual Ground Instantaneous/Definite-Time Overcurrent Elements
    180
    
    Accuracy
    181
    
    Pickup and Reset Time Curves
    181
    
    Settings Ranges
    181
  - Negative-Sequence Instantaneous/Definite-Time Overcurrent Elements
    182
    
    Accuracy
    182
    
    Pickup and Reset Time Curves
    182
    
    Settings Ranges
    182
- Section 3: Overcurrent, Voltage, Synchronism Check, and Frequency Elements
  169
- Time-Overcurrent Elements
  184
  - Phase Time-Overcurrent Elements
    184
    
    Settings Ranges
    184
    
    Accuracy
    187
    
    Logic Outputs (51P1T Element Example)
    187
    
    Torque Control Switch Closed
    187
    
    Torque Control Switch Operation (51P1T Element Example)
    187
    
    Control of Logic Point TCP1
    188
    
    Directional Control Option
    188
    
    Torque Control Switch Open
    188
    
    Torque Control
    189
    
    Reset Timing Details (51P1T Element Example)
    190
    
    Setting 51P1RS = N
    190
    
    Setting 51P1RS = y
    190
  - Neutral Ground Time-Overcurrent Elements
    190
    
    Accuracy
    192
    
    Settings Ranges
    192
  - Residual Ground Time-Overcurrent Elements
    192
    
    Accuracy
    194
  - Negative-Sequence Time-Overcurrent Element
    195
    
    Accuracy
    196
    
    Settings Ranges
    196
- Voltage Elements
  197
  - Voltage Element Settings
    197
    
    Accuracy
    202
  - Voltage Element Operation
    202
    
    Undervoltage Element Operation Example
    202
    
    Overvoltage Element Operation Example
    203
  - Voltage Elements Used in POTT Logic
    203
- Synchronism Check Elements
  203
  - Synchronism Check Elements Settings
    204
    
    Accuracy
    204
  - Synchronism Check Elements Voltage Inputs
    206
  - Synchronism Check Elements Operation
    206
    
    And V
    207
    
    Other Uses for Voltage Window Elements
    207
    
    System Frequencies Determined from Voltages V
    207
    
    Voltage Window
    207
    
    Block Synchronism Check Conditions
    208
    
    Angle Difference Calculator
    209
    
    Are "Slipping
    209
    
    P and V S Are "Static
    209
    
    Voltages V
    209
    
    Are "Slipping")
    211
    
    P and
    211
    
    Synchronism Check Element Outputs
    212
  - Synchronism Check Applications for Automatic Reclosing and Manual Closing
    213
- Frequency Elements
  214
  - Frequency Element Settings
    214
    
    Accuracy
    216
    
    Create Over- and Underfrequency Elements
    216
    
    Overfrequency Element
    217
    
    Underfrequency Element
    217
  - Frequency Element Operation
    217
    
    Overfrequency Element Operation
    217
    
    Frequency Element Voltage Control
    218
    
    Other Uses for Undervoltage Element 27B81
    218
    
    Underfrequency Element Operation
    218
  - Frequency Element Uses
    218
Section 4: Loss-Of-Potential, Load Encroachment, and Directional Element Logic/Section 4: Loss-Of-Potential, Load Encroachment, and Directional Element Logic

219
Section 5: Trip and Target Logic

259
Section 6: Close and Reclose Logic

293
Section 7: Inputs, Outputs, Timers, and Other/Control Logic

321
- Section 7: Inputs, Outputs, Timers, and Other
  
  325
- Control Logic
  
  325
  - Optoisolated Inputs
    325
    
    Input Debounce Timers
    326
    
    Input Functions
    327
    
    Input IN101
    327
    
    Settings Examples
    327
    
    Local Control Switch Types
    330
    
    OFF/MOMENTARY Switch
    330
    
    ON/OFF Switch
    330
    
    ON/OFF/MOMENTARY Switch
    331
    
    Settings Examples
    332
    
    Additional Local Control Switch Application Ideas
    333
    
    Local Control Switch States Retained
    333
    
    Power Loss
    333
    
    Settings Change or Active Setting Group Change
    334
  - Remote Control Switches
    334
    
    Changed
    335
    
    Remote Bit Application Ideas
    335
    
    Remote Bit States Not Retained When Power Is Lost
    335
  - Latch Control Switches
    335
    
    Latch Control Switch Application Ideas
    336
    
    Reclosing Relay Enable/Disable Setting Example
    337
    
    Feedback Control
    338
    
    Rising Edge Operators
    338
    
    Use a Remote Bit Instead to Enable/Disable the Reclosing Relay
    339
    
    Latch Control Switch States Retained
    340
    
    Power Loss
    340
    
    Reset Latch Bits for Active Setting Group Change
    340
    
    Settings Change or Active Setting Group Change
    340
    
    Note: Make Latch Control Switch Settings with Care
    341
  - Multiple Setting Groups
    343
    
    Active Setting Group Indication
    343
    
    Selecting the Active Setting Group
    343
    
    Operation of Serial Port GROUP Command and Front-Panel GROUP Pushbutton
    344
    
    Active Setting Group Switching Example 1
    345
    
    SEL-351P Disabled Momentarily During Active Setting Group Change
    345
    
    Start out in Setting Group 1
    347
    
    Switch Back to Setting Group 1
    347
    
    Switch to Setting Group 4
    347
    
    Selector Switch Now Rests on Position REMOTE
    350
    
    Selector Switch Switched to Position 5
    350
    
    Active Setting Group Retained
    351
    
    Power Loss
    351
    
    Settings Change
    351
    
    Settings Example 1
    354
    
    Settings Example 2
    354
    
    Settings Example 3
    355
    
    Timers Reset When Power Is Lost, Settings Are Changed, or Active Setting Group Is Changed
    355
  - Output Contacts
    356
    
    Operation of Output Contacts for Different Output Contact Types
    356
    
    Output Contacts OUT101 through OUT107
    356
    
    Settings Example
    356
    
    ALARM Output Contact
    357
  - Rotating Default Display
    358
    
    Circuit Breaker Status Indication
    359
    
    Reclosing Relay Status Indication
    359
    
    Traditional Indicating Panel Lights
    359
    
    Traditional Indicating Panel Lights Replaced with Rotating Default Display
    359
    
    General Operation of Rotating Default Display Settings
    360
    
    Reclosing Relay Status Indication
    360
    
    Settings Examples
    360
    
    Circuit Breaker Closed
    361
    
    Circuit Breaker Status Indication
    361
    
    Reclosing Relay Disabled
    361
    
    Reclosing Relay Enabled
    361
    
    Additional Settings Examples
    362
    
    Circuit Breaker Closed
    362
    
    Circuit Breaker Open
    362
    
    Display Only One Message
    362
    
    Active Setting Group Switching Considerations
    363
    
    Continually Display a Message
    363
    
    Reclosing Relay Disabled
    364
    
    Reclosing Relay Enabled
    364
    
    Switch to Setting Group 4 as the Active Setting Group
    364
    
    Additional Rotating Default Display Example
    365
  - Trip and Close Circuits, Breaker Status, and SF6 Gas Pressure
    365
Section 8: Breaker/Recloser Monitor, Battery/System Monitor, Metering, and Load Profile

369
- Section 8: Breaker/Recloser Monitor, Battery
  
  371
- System Monitor, Metering, and Load Profile
  
  371
  - Introduction
    371
  - Breaker/Recloser Contact Wear Monitor
    371
    
    Breaker Monitor Setting Example
    374
    
    Breaker Maintenance Curve Details
    376
    
    Operation of SEL OGIC ® Control Equation Breaker Monitor Initiation Setting BKMON
    378
    
    0% to 10% Breaker Wear
    379
    
    10% to 25% Breaker Wear
    379
    
    25% to 50% Breaker Wear
    379
    
    Breaker Monitor Operation Example
    379
    
    50% to 100% Breaker Wear
    381
    
    Breaker Monitor Output
    381
    
    Example Applications
    381
    
    Via Serial Port
    381
    
    View or Reset Breaker Monitor Information - Including Trip Operation Counters
    381
    
    Determination of Control Initiated Trips and Externally Initiated Trips
    382
    
    Via Front Panel
    382
    
    Additional Example
    383
    
    Factory Default Setting Example
    383
  - Battery System Monitor
    384
    
    Battery System Operation
    385
    
    SEL-351P Puts Itself "To Sleep
    385
    
    Battery System Diagnostics
    386
    
    Keep 12 VDC on While SEL-351P Is "Asleep
    386
    
    Wake Up" the SEL-351P
    386
    
    Automatic Battery Load Test
    387
    
    Battery Load Test Via Front Panel
    387
    
    Battery Load Test Via Serial Port
    388
    
    Additional Application
    389
    
    Battery Status
    389
  - Metering
    390
    
    Comparison of Thermal and Rolling Demand Meters
    391
    
    Demand Metering
    391
    
    Thermal Demand Meter Response (EDEM = THM)
    392
    
    Rolling Demand Meter Response (EDEM = ROL)
    393
    
    Time = 0 Minutes
    394
    
    Time = 5 Minutes
    394
    
    Demand Meter Settings
    395
    
    Time = 10 Minutes
    395
    
    Time = 15 Minutes
    395
    
    Demand Current Logic Output Application - Raise Pickup for Unbalance Current
    397
    
    Residual Ground Demand Current below Pickup GDEMP
    398
    
    Residual Ground Demand Current Goes above Pickup GDEMP
    398
    
    Residual Ground Demand Current Goes below Pickup GDEMP Again
    398
    
    Demand Metering Updating and Storage
    399
    
    Energy Metering
    399
    
    Via Front Panel
    399
    
    Via Serial Port
    399
    
    View or Reset Demand Metering Information
    399
    
    View or Reset Energy Metering Information
    399
    
    Energy Metering Updating and Storage
    400
    
    Maximum/Minimum Metering
    400
    
    Via Front Panel
    400
    
    Via Serial Port
    400
    
    View or Reset Maximum/Minimum Metering Information
    400
    
    Maximum/Minimum Metering Updating and Storage
    401
  - Load Profile Report (Only Available in Firmware Versions 1 and Greater)
    402
    
    Clearing the Load Profile Buffer
    404
    
    Determining the Size of the Load Profile Buffer
    404
Section 10: Serial Port Communications and Commands/Section 10: Serial Port Communications and Commands

483
- Section 10: Serial Port Communications and Commands
  485
- Communications Protocol
  490
  - Hardware Protocol
    490
  - Software Protocols
    490
    
    SEL ASCII Protocol
    491
    
    Distributed Network Protocol (DNP) V3.00
    492
    
    SEL Compressed ASCII Protocol
    492
    
    SEL Distributed Port Switch Protocol (LMD)
    492
    
    SEL Fast Meter Protocol
    492
  - Access Level 0
    493
  - Access Level 1
    493
  - Access Level E (EZ)
    496
  - Access Level 0 Commands
    498
    
    ACC, EZA, BAC, and 2AC Commands (Go to Access Level 1, E, B, or 2)
    498
    
    Password Requirements and Default Passwords
    498
    
    Access Level Attempt (Password Not Required)
    499
    
    Access Level Attempt (Password Required)
    499
    
    BRE a Command (Breaker Monitor Data)
    500
    
    COMM Command (Communication Data)
    501
    
    DAT Command (View/Change Date)
    502
    
    EVE Command (Event Reports)
    502
    
    GRO Command (Display Active Setting Group Number)
    502
    
    HIS Command (Event Summaries/History)
    503
    
    IRI Command (Synchronize to IRIG-B Time Code)
    504
    
    LDP Command (Load Profile Report)
    505
    
    MET Command (Metering Data)
    505
    
    MET K - Instantaneous Metering
    506
    
    MET D - Demand Metering
    507
    
    MET E - Energy Metering
    508
    
    MET M - Maximum/Minimum Metering
    509
    
    QUI Command (Quit Access Level)
    509
    
    SER Command (Sequential Events Recorder Report)
    510
    
    SHO Command (Show/View Settings)
    510
    
    STA Command (Recloser Control Self-Test Status)
    518
    
    STA Command Row and Column Definitions
    519
    
    TAR Command (Display Relay Word Bit Status)
    520
    
    TIM Command (View/Change Time)
    522
    
    TRI Command (Trigger Event Report)
    523
  - Access Level E (EZ) Commands
    523
    
    BTT Command (Battery Test)
    523
    
    SET EZ and SET FZ Commands (Change EZ Settings)
    524
  - Access Level B Commands
    525
    
    BRE N Command (Preload/Reset Breaker Wear)
    525
    
    CLO Command (Close Breaker)
    527
    
    GRO N Command (Change Active Setting Group)
    527
    
    OPE Command (Open Breaker)
    528
    
    PUL Command (Pulse Output Contact)
    529
  - Access Level 2 Commands
    529
    
    CON Command (Control Remote Bit)
    529
    
    COP M N Command (Copy Setting Group)
    530
    
    LOO Command (Loop Back)
    530
    
    PAS Command (View/Change Passwords)
    530
    
    SET Command (Change Settings)
    531
    
    STA C Command (Status Clear Command)
    532
    
    VER Command (Show Version Information)
    532
- SEL-351P Recloser Control Command Summary
  535
Section 13: Testing and Troubleshooting

586
- Introduction
  588
- Section 13: Testing and Troubleshooting
  588
- Testing Philosophy
  588
  - Acceptance Testing
    588
  - Commissioning Testing
    588
  - Maintenance Testing
    589
- Testing Methods and Tools
  590
  - Test Features Provided by the SEL-351P
    590
  - Test Methods
    590
    
    Testing Via Front-Panel Indicators
    591
    
    Testing Via Output Contacts
    591
    
    Testing Via Sequential Events Recorder
    591
- SEL-351P Self-Tests
  592
- SEL-351P Troubleshooting
  595
  - Inspection Procedure
    595
  - Troubleshooting Procedure
    595
    
    All Front-Panel Leds Dark
    595
    
    Cannot See Characters on LCD Screen
    595
    
    SEL-351P Does Not Respond to Commands from Device Connected to Serial Port
    595
    
    SEL-351P Does Not Respond to Faults
    596
- Calibration
  596
- Factory Assistance
  596
Appendix I: Mirrored Bits

600
- Configuration
  650
- Overview
  650
- Data Access Method
  651
- Data-Link Operation
  651
- Device Profile
  652
- Object Table
  654
- Data Map
  658
  - Relay Summary Event Data
    661
- Point Remapping
  662
- Appendix I: Mirrored Bits
  
  666
  - Overview
    666
  - Operation
    666
    
    Message Decoding and Integrity Checks
    666
    
    Message Transmission
    666
    
    Synchronization
    667
    
    Channel Monitoring
    668
    
    Loop-Back Testing
    668
- Mirrored Bits
  
  668
  - Settings
    669

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Schweitzer Engineering SEL-351P Manuals

Schweitzer Engineering SEL-351P Quick Start Manual (674 pages)

Table of Contents

Table of Contents

Introduction

Installation

Communications

Front-Panel Interface

Settings

Testing

Battery

Specifications

Standard Product Warranty

Section 1: Factory-Set Logic

Section 2: Additional Installation Details

Section 3: Overcurrent, Voltage, Synchronism Check, and Frequency Elements/Section 3: Overcurrent, Voltage, Synchronism Check, and Frequency 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/Recloser Monitor, Battery/System Monitor, Metering, and Load Profile

Section 8: Breaker/Recloser Monitor, Battery

System Monitor, Metering, and Load Profile

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

Section 13: Testing and Troubleshooting

Appendix I: Mirrored Bits

Appendix I: Mirrored Bits

Mirrored Bits

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