Schweitzer Engineering Laboratories SEL-352-2 Manuals

Manuals and User Guides for Schweitzer Engineering Laboratories SEL-352-2. We have 1 Schweitzer Engineering Laboratories SEL-352-2 manual available for free PDF download: Instruction Manual

Schweitzer Engineering Laboratories SEL-352-2 Instruction Manual

Schweitzer Engineering Laboratories SEL-352-2 Instruction Manual (444 pages)

BREAKER FAILURE RELAY; CONTROL RELAY; DATA RECORDER

Brand: Schweitzer Engineering Laboratories | Category: Relays | Size: 5.11 MB

Table of Contents

Table of Contents

11
- Introduction and Specifications
  13
  - Introduction
    13
  - Instruction Manual Overview
    13
  - Figure 1.1: Single-Phase Diagram of AC Inputs to the Relay
    13
  - Relay Functions
    15
    
    Breaker Failure Detection
    15
    
    Figure 1.2: Functional Overview
    15
    
    Additional Features
    16
    
    Control Features
    16
    
    Data Recording
    16
  - Model Options
    17
    
    Conventional Terminal Blocks
    17
    
    Plug-In Connectors (Connectorized )
    17
    
    SEL-352-1 Relay
    17
    
    SEL-352-2 Relay
    17
    
    Interface Boards
    18
  - Signal Processing Specifications
    18
  - Figure 1.3: Analog Filter Curve
    18
  - General Specifications
    19
  - Relay Element Specifications
    22
    
    Overcurrent Elements
    22
    
    Figure 1.4: 50FT Pickup Curves
    23
    
    Figure 1.5: 50FT Dropout Curves
    23
    
    Pickup/Dropout Curves
    23
    
    Figure 1.6: 50MN, 50LD, 50MD, 50N Pickup Curves
    24
    
    Figure 1.7: 50MN, 50LD, 50MD, 50N Dropout Curves
    24
    
    Synchronism Check Element
    25
    
    Voltage Elements
    25
    
    Breaker Resistor Thermal Elements
    26
    
    Current Unbalance Element
    26
    
    Overpower Elements
    26
    
    Settable Timers
    26
    
    Fixed Timers
    27
    
    Internal Logic Timers
    27
    
    Metering
    28
    
    Multiple Setting Groups
    28
  - Data Recording Specifications
    28
    
    Breaker Monitor Reporting
    28
    
    Event Records
    28
  - Serial Port Specifications
    29
Table of Contents

31
- Installation
  33
  - Relay Mounting
    33
    
    Panel Mount
    33
    
    Rack Mount
    33
    
    Dimensions and Cutout
    34
  - Rear-Panel Connections
    39
    
    Connectorized
    39
    
    Terminal Block
    39
    
    Connections
    43
    
    Current Transformer Inputs
    43
    
    Frame Ground
    43
    
    Optoisolated Inputs
    43
    
    Potential Transformer Input
    43
    
    Power Supply
    43
    
    Output Contacts
    44
    
    Communications Port
    45
    
    Clock Synchronization, IRIG-B
    46
    
    Plug-In Connectors (Connectorized Model 0352Xy)
    46
  - Typical AC/DC Connections
    48
  - Circuit Board Configuration
    49
    
    Accessing the Relay Circuit Boards
    49
    
    Main Board
    50
    
    Output Contact Jumpers
    50
    
    Password and Breaker Jumpers
    52
    
    Second ALARM Contact Jumper
    52
    
    Clock Battery
    53
    
    Condition of Acceptability for North American Product Safety Compliance
    53
    
    EIA-232 Serial Port Jumpers
    53
    
    Low-Level Analog Interface
    53
    
    Other Jumpers
    53
    
    Interface Board 1 (16 Outputs, 8 Inputs)
    54
    
    Optional Interface Boards
    54
    
    Optoisolated Inputs
    54
    
    Output Contacts
    55
    
    Interface Board 2 (12 Outputs, 8 Inputs)
    57
    
    Optoisolated Inputs
    57
    
    Output Contacts
    57
    
    Interface Board 4 (4 Outputs, 16 Inputs)
    60
    
    Optoisolated Inputs
    60
    
    Output Contacts
    60
    
    Interface Board 5 (8 Outputs, 8 Inputs)
    62
    
    Optoisolated Inputs
    62
    
    Output Contacts
    62
    
    Interface Board 6 (12 Outputs, 8 Inputs)
    65
Table of Contents

69
- Breaker Failure Relaying Overview
  73
- Breaker Logic
  73
- Introduction
  73
- Available AC Connections
  75
- Example Breaker Specifications
  76
- Fault Current Conditions
  77
  - Application Description
    77
  - Operating Characteristic
    77
    
    Subsidence Current Logic
    78
    
    Scheme 1 (Fault Current)
    79
    
    Scheme 2 (Fault Current)
    82
    
    Scheme 3 (Fault Current)
    83
    
    Scheme 4 (Fault Current)
    84
    
    Scheme 5 (Fault Current)
    85
  - Setting Description
    87
    
    Fault Detector (50FT)
    87
    
    RMS Overcurrent (50RMS) (SEL-352-2 Relay)
    87
    
    Trip Inputs (TRIPA, TRIPB, TRIPC)
    87
    
    Fault Current Logic Enable (FTLOG)
    88
    
    Trip Timer Pickup Time (Ttpu)-Scheme 4
    88
    
    Trip Timer Dropout Time (Ttdo)-Scheme 1
    89
    
    Trip Timer Dropout Time (Ttdo)-Scheme 4
    89
  - Setting Calculations
    89
    
    Fault Detector (50FT)
    89
    
    Fault Clearing Pickup Time (Fcpu)
    90
    
    Fault Logic Enable (FTLOG)
    90
- Load or Line-Charging Current Conditions
  91
- Thermal Protection of Close and Trip Resistors
  96
  - Application Description
    96
  - Operating Characteristic
    96
    
    Voltage Nulling
    97
  - Setting Description
    97
    
    Breaker Status (52AA, 52AB, 52AC)
    97
    
    Close Signals (CLOSE, MCLOSE)
    97
    
    Trip Inputs (TRIPA, TRIPB, TRIPC)
    97
    
    Negative-Sequence Overvoltage (47Q)
    98
    
    Phase Overpower (37OP)
    98
    
    Thermal Model Voltage Threshold (87TH)
    98
    
    Voltage Nulling Delay (Vnpu)
    98
    
    Maximum Magnitude Nulling (Kmag)
    99
    
    Maximum Phase Error to Null (Kang)
    99
    
    Thermal Logic Enable (THLOG)
    99
    
    Close Failure (26CF)
    100
    
    Close Pending Failure (26CP)
    100
    
    Overpower Pickup (Oppu)
    100
    
    Trip Failure (26TF)
    100
    
    Trip Pending Failure (26TP)
    100
    
    Blown Potential Supervision (59L, 27D)
    101
    
    Cooling Time Constants (CRTC, TRTC)
    101
  - Setting Calculations
    101
    
    Thermal Model of Trip and Close Resistors
    101
    
    Phase Overpower (37OP)
    102
    
    Thermal Model Voltage Threshold (87TH)
    102
    
    Close Resistor Energy
    103
    
    Overpower Pickup (Oppu)
    103
    
    Close Failure (26CF)
    104
    
    Close Pending Failure (26CP)
    104
    
    Cooling Time Constants (CRTC, TRTC)
    104
    
    Trip Failure (26TF)
    104
    
    Trip Pending Failure (26TP)
    104
    
    Trip Resistor Energy
    104
- Flashover Conditions
  105
  - Application Description
    105
  - Operating Characteristic
    105
    
    Scheme 1 (Flashover, Six Potential Transformers)
    105
    
    Scheme 2 (Flashover, Three Potential Transformers)
    106
  - Setting Description
    107
    
    Breaker Close Signal (CLOSE, MCLOSE)
    107
    
    Breaker Status (52AA, 52AB, 52AC)
    107
    
    High Set Differential Voltage (87H)
    107
    
    Trip Inputs (TRIPA, TRIPB, TRIPC)
    107
    
    Flashover Differential (87FO)
    108
    
    Overvoltage (59H/59L)
    108
    
    Flashover Pending Failure (Fppu)
    109
    
    Flashover Scheme Selection (FOLOG)
    109
    
    Flashover Failure (Ffpu)
    110
    
    Load Detector (50LD)
    110
- Current Unbalance Protection
  110
  - Application Description
    110
  - Operating Characteristic
    110
  - Setting Description
    111
    
    Breaker Close Signals (CLOSE, MCLOSE)
    111
    
    Close Input (Ucpu)
    112
    
    Phase Current Unbalance Enable (UBLOG)
    112
    
    Phase Current Unbalance Ratio (46UB)
    112
    
    Unbalance Pending Failure (Uppu)
    112
    
    Unbalance Breaker Failure (Ufpu)
    113
  - Setting Calculations
    113
    
    Phase Current Unbalance Ratio (46UB)
    113
  - Application Guideline
    113
- Loss-Of-Dielectric Detection
  115
  - Application Description
    115
  - Operating Characteristic
    115
  - Setting Description
    116
    
    Dielectric Pressure Level Indicators (LOD1, LOD2, LODCT)
    116
    
    Loss-Of-Dielectric Logic Enable (DELOG)
    116
    
    Leak Timer (L2Pu)
    117
- Breaker Alarm Logic
  117
  - Application Description
    117
  - Operating Characteristic
    117
    
    Failed CB Trip Resistors Put in Service
    118
    
    52A Contradicts Voltage
    119
    
    Failed CB Close Resistors Put in Service
    119
    
    Breaker DID Not Close
    120
    
    Current While Open
    120
    
    Trip While Open
    120
    
    Current after MOD Trip
    121
    
    MOD Contradicts Current
    121
    
    Slow Trip
    121
    
    Potential Transformers Disagree
    122
    
    Slow Close
    122
Table of Contents

123
- Breaker Control Overview
  125
- Close Logic
  125
- Controlled Closing
  125
- Retripping
  139
  - Application Description
    139
  - Operating Characteristic
    139
    
    Scheme 1 (Instantaneous Retrip)
    139
    
    Scheme 2 (Delayed Retrip)
    139
  - Setting Description
    140
    
    Load Detector (50LD)
    140
    
    Retrip Timer Pickup (Rtpu)
    140
    
    Retripping Scheme Selection (RTPLOG)
    140
    
    Trip Inputs (TRIPA, TRIPB, and TRIPC)
    140
- Lockout Relay Control
  141
  - Application Description
    141
    
    Example 1
    141
    
    Example 2
    141
  - Operating Characteristic
    141
    
    Scheme 1 (no MOD Trip)
    142
    
    Scheme 2 (MOD Trip Used)
    143
  - Setting Description
    144
    
    Breaker Failure Trip Mask (M86T)
    144
    
    Motor-Operated Disconnect Input Status (MODST)-Scheme 2
    144
    
    MOD Operating Current (50MD)
    145
    
    Timer 2 (M2Pu)
    145
    
    Timer 3 (M3Pu)-Scheme 2
    145
    
    Trip and Reset Logic Scheme Selection (TRLOG)
    145
- Output Contact
  146
Table of Contents

147
- Control Logic
  149
- Relay Logic Overview
  149
- Signal Processing
  149
  - Frequency Tracking Specification
    149
- Relay Word Bits and SEL OGIC ® Control Equations
  150
- Fixed Analog Comparisons
  158
- Optoisolated Inputs
  159
- Input Assignment Variables
  160
  - Modst
    160
  - Lod
    160
  - Multiple Setting Groups (SS1, SS2)
    161
  - Trip
    161
  - Close, Mclose
    161
- Local Control Switches (LB1-LB16)
  161
- Remote Control Switches (RB1-RB16)
  162
- Sel Ogic Control Equation Seta
  163
  - Timers (62T1A, 62T1B, and 62T1C)
    163
  - Latch Control Switches
    164
  - SEL OGIC Control Equation Variables
    164
- Sel Ogic Control Equation Setb
  164
- Output Contacts
  165
- Rotating Default Display
  165
- LED Targeting Logic
  166
  - EN Target LED
    166
  - PF Target LED
    167
  - 86BFT Target LED
    168
  - 86RS Target LED
    168
  - TRIP Target LED
    169
  - CLOSE Target LED
    169
  - 52A Target LED
    170
  - A, B, and C Target Leds
    170
Table of Contents

173
- Metering
  175
  - Metering Calculations
    175
- Metering and Monitoring
  175
- Breaker Monitor
  176
  - Header
    177
  - Breaker Operations
    177
    
    Current
    178
    
    Date and Time
    178
    
    Electrical Operate Time
    178
    
    Energy
    178
    
    Mechanical Operate Time
    178
    
    Operation
    178
  - Operation Summary
    179
    
    Average Operation Times
    179
    
    Last Operation Times
    179
    
    Number of Operations
    179
    
    Percent Wear (SEL-352-2 Relay)
    179
    
    Total Current
    179
    
    Total Energy
    179
  - Breaker Alarms
    181
    
    Total Count
    181
  - Clearing the Breaker Monitor Report
    182
  - Preloading the Breaker Monitor Report (SEL 352-2 Relay)
    182
  - Resetting the Thermal Monitor
    182
- Status Monitor
  182
  - Channel Offset
    183
  - Master Offset
    183
  - Power Supply
    183
  - Temperature
    183
  - Ram
    183
  - Flash ROM
    183
  - Analog-To-Digital Converter
    183
  - Critical RAM
    184
  - Eeprom
    184
  - I/O Boards
    184
  - Self-Testing Alarms
    185
    
    Failures
    185
    
    Warnings
    185
Table of Contents

187
- Introduction
  189
- Setting the Relay
  189
- Additional Relay Settings
  191
  - Group Settings (SET Command)
    191
    
    Nominal Breaker Close Time (Tclose)
    191
    
    Nominal Breaker Trip Time (Topen)
    191
    
    Relay Identification (RELID)
    191
    
    Slow Trip Alarm (Slowtr)
    191
    
    Terminal Identification (TRMID)
    191
    
    Current Transformer Ratio (CTR)
    192
    
    Slow Close Alarm (Slowcl)
    192
    
    X-Side Potential Transformer Ratio (XPTR)
    192
    
    Y-Side Potential Transformer Ratio (YPTR)
    192
    
    Mask for Event Reporting (MER)
    193
  - Global Settings (SET G Command)
    193
    
    Date Format (DATE_F)
    193
- Settings Descriptions
  193
- Control Equations
  199
- Ogic
  199
- Settings Sheets
  215
Table of Contents

245
- Establish Communication
  247
  - Software
    247
  - Cables
    247
    
    SEL-352 Relay to Computer
    250
    
    SEL-352 Relay to Modem
    250
    
    Relay to SEL-2020 or SEL-2030
    251
- Introduction
  247
- Serial Port Communications and Commands
  247
- Communications Protocol
  252
  - Hardware Protocol
    252
  - Software Protocol
    253
    
    Sel Ascii
    253
    
    SEL Compressed ASCII Protocol
    254
    
    SEL Distributed Network Protocol (SEL-352-2 Relay Only)
    254
    
    SEL Distributed Port Switch Protocol
    254
    
    SEL Fast Meter Protocol
    254
    
    SEL Fast Operate Protocol
    254
  - Automatic Messages
    255
    
    Group Switch Message
    255
    
    Startup Message
    255
    
    Status Report
    255
    
    Summary Event Report
    256
  - Access Levels
    256
    
    Access Level 0
    257
    
    Access Level 1
    257
    
    Access Level B (Breaker Level)
    257
    
    Access Level 2
    258
  - Command Definitions
    259
    
    2AC (Access Level 2)
    259
    
    ACC (Access Level 1)
    259
    
    BAC (Breaker Access Level)
    260
    
    BRE (Breaker Report)
    260
    
    BRE C (Clear Breaker Report)
    261
    
    BRE S (Breaker Report Summary)
    261
    
    BRE W (Preload Breaker Wear Data) (SEL-352-2 Relay)
    262
    
    CAL (Calibration Access Level)
    263
    
    CEVE (Compressed Event)
    263
    
    CLO (Close)
    263
    
    CON N (Control Rbn)
    264
    
    COP M N (Copy Settings)
    264
    
    DAT (Date)
    265
    
    EVE (Event Reports)
    265
    
    GRO (Setting Group)
    267
    
    HEA (Resistor Heat Report)
    267
    
    HEA C (Clear Resistor Heating)
    268
    
    HIS (History of Events)
    268
    
    HIS C (Clear History and Events)
    269
    
    INI (Initialize I/O)
    269
    
    IRI (IRIG-B Synchronization)
    272
    
    MET (Metering Report)
    272
    
    OPE (Open)
    272
    
    PAS (Passwords)
    273
    
    PUL N (Pulse)
    275
    
    QUI (Quit)
    275
    
    R_S (Restore Factory Default Settings)
    275
    
    SER (Sequential Events Records)
    276
    
    SER C (Clear Sequential Events Records)
    276
    
    SET (Edit Settings)
    277
    
    SET G (Edit Global Settings)
    278
    
    SET P (Edit Port Settings)
    279
    
    SET R (Edit Report Settings)
    279
    
    Note: Make Sequential Events Recorder (SER) Settings with Care
    280
    
    SET T (Edit Display Text Settings)
    280
    
    SHO (Show Settings)
    280
    
    SHO G (Show Global Settings)
    282
    
    SHO P (Show Port Settings)
    282
    
    SHO R (Show Report Settings)
    283
    
    SHO T (Show Display Text Settings)
    284
    
    STA (Status Report)
    285
    
    TAR (Show Relay Word Targets)
    285
    
    TAR F N (Show Relay Word Targets on Front Panel)
    286
    
    TAR R (Reset Targets)
    287
    
    TIM (Time)
    287
    
    TRI (Trigger an Event)
    287
  - Main Board Jumpers
    288
Table of Contents

291
- Front-Panel Interface
  293
- Front-Panel Operation
  293
  - Time-Out
    293
  - Displays
    294
    
    Local Bits (LB1-LB16)
    294
    
    Display Points (DP1-DP16)
    296
  - Target Leds
    296
  - Password Access
    296
- Pushbuttons
  297
  - Target Reset
    297
  - Meter
    297
  - Events
    297
  - Status
    297
  - Other
    297
  - Set
    298
  - Cntrl
    298
  - Group
    298
  - Cancel
    299
  - Select
    299
  - Arrows
    299
  - Exit
    299
Section 10: Event Reports and Ser

303
- Data Recording Settings
  305
  - Global Settings (SET G Command)
    305
    
    Ler
    305
    
    Pre
    305
  - Report Settings (SET R Command)
    305
    
    Alias1-Alias20
    305
    
    Label
    306
  - Port Settings (SET P Command)
    306
    
    Auto
    306
- Introduction
  305
- Section 10: Event Reports and Ser
  305
- Event Reports (EVE)
  306
  - Event Report Triggering
    307
    
    Relay Word Bit 86BFT
    307
    
    Relay Word Bit MER
    307
    
    TRIGGER Command
    308
  - Event Report Setup
    308
  - Retrieving Event Reports
    308
  - Event Report Description
    310
    
    Data Columns
    312
    
    Heading
    312
    
    Event Type
    316
    
    Frequency Tracking
    317
    
    Voltage Nulling Factor
    317
  - History of Event Reports
    317
  - Clearing Event Report Buffer
    317
- Sequential Events Recorder (SER) Report
  318
  - SER Report Row Triggering
    318
  - SER Report Trigger Settings
    318
  - Retrieving SER Report
    318
  - Clearing the SER Report
    319
  - SER Report Headings
    319
  - SER Report Column Definitions
    319
    
    Date and Time
    320
    
    Element
    320
    
    State
    320
Section 11: Testing and Troubleshooting

321
- Section 11: Testing and Troubleshooting
  323
- Test Procedures
  323
  - Test Aids Provided by the Relay
    323
  - Test Methods
    323
    
    Target LED Illumination
    323
    
    Output Contact Assertion
    324
    
    Sequential Events Recorder (SER)
    324
  - Low-Level Test Interface
    324
- Initial Checkout
  325
  - Equipment Required
    325
  - Checkout Procedure
    325
- Full Functional Test
  333
  - Equipment Required
    333
  - What Should be Tested
    333
- Setting Test
  333
- Meter Test
  334
- Ground Overcurrent Element Test
  335
- Phase Overcurrent Element Tests
  335
- Phase Voltage Element Tests
  336
- Phase Overpower Element Test
  337
- Differential Voltage Element Tests
  338
- Synchronism Checking Element Tests
  338
- Fault Current Breaker Failure, Scheme 1 Logic Test
  339
- Fault Current Breaker Failure, Scheme 2 Logic Test
  341
- Fault Current Breaker Failure, Scheme 3 Logic Test
  341
- Fault Current Breaker Failure, Scheme 4 Logic Test
  343
- Fault Current Breaker Failure, Scheme 5 Logic Test
  344
- Load Current Breaker Failure, Scheme 1 Logic Test
  345
- Load Current Breaker Failure, Scheme 2 Logic Test
  346
- Circuit Breaker Close Resistor Thermal Failure Logic Test
  347
- Voltage Nulling Logic Test
  349
- Loss-Of-Dielectric Logic Test
  354
- Staggered Close Logic Test
  355
- Point-On-Wave Close Logic Test
  356
- Synchronism Close Logic Test
  358
- IRIG-B Time-Code Input Test
  363
- Power Supply Voltages Test
  363
- Serial Ports Test
  363
- Calibration
  364
  - Inspection Procedure
    364
  - Troubleshooting Table
    364
    
    All Front-Panel Leds Dark
    364
    
    System Does Not Respond to Commands
    364
    
    No Prompting Message Issued to Terminal Upon Power up
    365
    
    SEL BOOT " on LCD Display and Serial Port Warning to Remove Jumper (at Power-Up)
    365
    
    System Does Not Respond to Faults
    365
    
    Terminal Displays Meaningless Characters
    365
    
    Time Command Displays the same Time for Successive Commands
    365
    
    Tripping Output Relay Remains Closed Following Fault
    365
    
    Alarm Contacts Closed
    366
    
    Self-Test Failure: A/D Converter
    366
    
    Self-Test Failure: CR_RAM
    366
    
    Self-Test Failure: CR_RAM, EEPROM, and IO_BRD
    366
    
    Self-Test Failure: IO_BRD
    366
    
    Self-Test Failure: Offset
    366
    
    Self-Test Failure: RAM
    366
    
    Self-Test Failure: ROM
    366
    
    Self-Test Failure: Temp after R_S Command
    367
- Factory Assistance
  367
Appendix D: Configuration, Fast Meter, and Fast Operate Commands

385
- Appendix D: Configuration, Fast Meter, and Fast Operate Commands
  387
- Message Lists
  387
  - Binary Message List
    387
  - ASCII Configuration Message List
    387
- Message Definitions
  388
  - A5C0 Relay Definition Block
    388
  - A5C1 Fast Meter Configuration Block
    388
  - A5D1 Fast Meter Data Block
    390
  - A5B9 Fast Meter Status Acknowledge Message
    390
  - A5E3 Fast Operate Breaker Control
    393
  - ID Command Response
    393
  - DNA Command Response
    393
  - BNA Command Response
    394
Table of Contents

421
- Appendix G: Distributed Network Protocol (Dnp)
  423
- Configuration
  423
- Overview
  423
- Data Access Method
  424
- Data-Link Operation
  424
- Device Profile
  425
- Object Table
  428
- Data Map
  430
  - Relay Summary Event Data
    437
- Point Remapping
  438
  - Introduction
    438
    
    Inputs
    438
    
    Modem Support
    440
    
    Virtual Terminal
    440

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