GE 845 Manuals

Manuals and User Guides for GE 845. We have 2 GE 845 manuals available for free PDF download: Instruction Manual

GE 845 Instruction Manual

GE 845 Instruction Manual (552 pages)

Transformer Protection System

Brand: GE | Category: Protection Device | Size: 17.15 MB

Table of Contents

Table of Contents
3
INTRODUCTION Overview
11
Description of the 845 Transformer Protection Relay
12
Security Overview
17
845 Order Codes
18
Device
20
Protection
20
Specifications
20
- Control
  27
- Monitoring
  28
- Recording
  29
- User-Programmable Elements
  30
- Metering
  31
- Inputs
  33
- Outputs
  35
- Power Supply
  36
- Communications
  37
- Testing & Certification
  38
- Environmental
  39
- Physical
  39
Cautions and Warnings
40
- Safety Words and Definitions
  40
- General Cautions and Warnings
  40
Must-Read Information
43
- Storage
  44
For Further Assistance
44
- Repairs
  44
- Product Identification
  45
- INSTALLATION Mechanical Installation
  45
- Dimensions
  46
- Mounting
  47
  - Standard Panel Mount
    48
  - Depth Reducing Collar
    49
- Draw-Out Unit Withdrawal and Insertion
  51
- Removable Power Supply
  52
- Removable Magnetic Module
  53
- Arc Flash Sensor
  54
  - Sensor Fiber Handling & Storage
    54
  - Sensor Installation
    54
Electrical Installation
55
- Typical Wiring Diagrams
  55
- Terminal Identification
  60
  - Wire Size
    64
- Phase Sequence and Transformer Polarity
  65
- Ground CT Inputs
  65
- Voltage Inputs
  66
- Restricted Earth Fault Inputs
  66
- Zero-Sequence CT Installation
  67
- Control Power
  68
- Contact Inputs
  68
- Output Relays
  69
- Serial Communications
  71
- Irig-B
  73
- Graphical Display
  76
- INTERFACES Front Control Panel Interface
  76
- Output Relays
  77
  - Working with Graphical Display
    77
  - Single Line Diagram
    80
- Rugged and Membrane Front Panel Leds
  82
- Home Screen Icons
  84
- Relay Messages
  85
  - Target Messages
    85
  - Self-Test Errors
    86
  - Flash Messages
    89
  - Out of Service
    89
- Label Removal
  89
Software Interface
91
- Enervista 8 Series Setup Software
  91
- Connecting Enervista 8 Series Setup Software to the Relay
  95
- Working with Setpoints & Setpoints Files
  98
  - Engaging a Device
    99
  - Entering Setpoints
    99
  - File Support
    100
  - Using Setpoints Files
    100
  - Adding Setpoints Files to the Environment
    101
  - Downloading & Saving Setpoints Files
    101
  - Creating a New Setpoints File
    102
  - Upgrading Setpoints Files to a New Revision
    103
  - Printing Setpoints
    104
  - Loading Setpoints from a File
    105
  - Printing Values from a Connected Device
    105
  - Uninstalling Files and Clearing Data
    106
- Quick Setup
  106
- Upgrading Relay Firmware
  108
  - Loading New Relay Firmware
    109
- Advanced Enervista 8 Series Setup Software Features
  112
  - SLD Configurator
    112
  - Flexcurve Editor
    119
  - Transient Recorder (Waveform Capture)
    120
  - Protection Summary
    124
- Offline Settings File Conversion
  125
  - Convert SR 745 Files
    125
  - Conversion Summary Report
    127
  - Results Window
    127
SETPOINTS Setpoints Main Menu

130
- Protection and Trip Breaker Selection
  130
- Setpoints Entry Methods
  135
- Common Setpoints
  135
- Logic Diagrams
  137
- Setpoints Text Abbreviations
  138
- Device
  139
- Real-Time Clock
  141
  - Clock
    142
  - PTP Configuration
    143
  - SNTP Protocol
    144
- Security
  145
  - Basic Security
    146
  - Cybersentry
    148
  - Communications
    154
  - Wifi
    155
  - Ethernet Ports
    158
  - Modbus Protocol
    160
  - Routing
    164
  - DNP Protocol
    166
  - DNP / IEC104 Point Lists
    169
  - Iec 60870-5-104
    171
  - Iec 60870-5-103
    173
    
    Remote Modbus Device
    175
    
    Transient Recorder
    176
- Data Logger
  178
  - Fault Reports
    181
  - Event Data
    182
    
    Programmable Leds
    183
    
    Programmable Pushbuttons
    184
  - Tab Pushbuttons
    188
    
    Annunciator
    191
    
    Display Properties
    193
    
    Default Screens
    194
    
    Home Screens
    195
  - Resetting
    196
- System
  198
  - Current Sensing
    199
  - Power Sensing
    201
  - Transformer
    202
    
    Transformer Setup
    203
    
    Xfmer Status Detection
    228
    
    Thermal Inputs
    231
    
    On-Load Tap Changer
    232
    
    Breakers
    238
    
    Switches
    240
  - Flexcurves
    243
  - Inputs
    245
- Virtual Inputs
  248
  - Remote Inputs
    250
  - Output Relays
    255
    
    Outputs
    255
    
    Auxiliary Relay Selected for Breaker Trip
    258
    
    Aux Relay Selected for Breaker Close
    260
    
    Auxiliary Output Relays
    262
    
    Critical Failure Relay #8
    263
  - Virtual Outputs
    264
  - Analog Outputs
    264
  - Protection
    266
  - Percent Differential
    268
  - Transformer Overload
    279
  - Current Elements
    281
    
    Inverse Time Overcurrent Curves
    281
    
    Percent of Load-To-Trip
    288
    
    Phase Time Overcurrent Protection (51P)
    289
    
    Phase Instantaneous Overcurrent Protection (50P)
    292
    
    Phase Directional Overcurrent Protection (67P)
    294
    
    Neutral Time Overcurrent Protection (51N)
    297
    
    Neutral Instantaneous Overcurrent Protection (50N)
    300
    
    Neutral Directional Overcurrent Protection (67N)
    303
    
    Ground Time Overcurrent Protection (51G)
    308
    
    Ground Instantaneous Overcurrent Protection (50G)
    310
    
    Ground Directional Overcurrent Protection (67G)
    312
    
    Restricted Ground (Earth) Fault (87G)
    316
    
    Negative Sequence Time Overcurrent Protection (51_2)
    321
    
    Negative Sequence Instantaneous Overcurrent Protection (50_2)
    323
  - Voltage Elements
    326
    
    Undervoltage Curves
    327
    
    Phase Undervoltage Protection (27P)
    328
    
    Auxiliary Undervoltage (27X)
    331
    
    Phase Overvoltage Protection (59P)
    334
    
    Auxiliary Overvoltage Protection (59X)
    337
    
    Neutral Overvoltage Protection (59N)
    340
    
    Negative Sequence Overvoltage Protection (59_2)
    343
    
    Volts Per Hertz (24)
    345
  - Power Elements
    351
  - Directional Power (32)
    351
  - Frequency Elements
    357
    
    Underfrequency (81U)
    357
    
    Overfrequency (81O)
    360
    
    Frequency Rate of Change (81R)
    363
- Monitoring
  367
  - Transformer
    367
    
    Harmonic Derating
    367
    
    Thermal Elements
    370
    
    Tap Changer Failure
    378
  - Trip and Close Circuit Monitoring
    380
  - Breaker Arcing Current
    387
  - Breaker Health
    390
  - Functions
    394
  - Power Factor (55)
    394
    
    Demand
    400
    
    Pulsed Outputs
    409
    
    Digital Counters
    412
  - Harmonic Detection
    415
  - RTD Temperature
    418
  - RTD Trouble
    423
  - Loss of Communications
    424
  - Control
    426
  - Local Control Mode (Breakers and Switches)
    429
  - Breaker Control
    438
  - Switch Control (9)
    441
  - Virtual Input Control
    444
  - Trip Bus
    445
  - Breaker Failure (50BF)
    447
    
    Setup
    448
    
    Initiate
    450
  - Arc Flash Protection
    452
  - Synchrocheck (25)
    454
  - VT Fuse Failure (VTFF)
    459
- Flexlogic
  461
  - Timers
    471
  - Flexlogic Equation
    473
    
    Viewing Flexlogic Graphics
    475
    
    Flexelements
    476
    
    Testing
    482
  - Simulation
    483
    
    Pre-Fault
    484
    
    Fault
    485
  - Test Leds
    486
  - Ethernet Loopback Test
    487
  - STATUS Summary
    490
  - Annunciator
    491
  - Breakers
    492
- Switches
  493
  - Contact Inputs
    494
    
    Virtual Inputs
    495
    
    Virtual Outputs
    496
- Information
  501
  - Hardware Versions
    502
- Device Status
  503
- Clock
  504
- METERING Summary
  508
- Transformer
  509
  - Windings
    510
  - Thermal Elements
    511
- Currents
  512
- Voltages
  514
- Frequency
  515
- Volts Per Hertz
  516
- Harmonics 1(Harmonics 4)
  517
  - Harmonic Detection
    518
  - Power
    519
- Energy
  520
  - Power Factor
    521
- Current Demand K1
  522
  - Directional Power
    523
- Rtds
  524
- Flexelements
  525
- RECORDS Events
  527
- Fault Reports
  528
- Breakers
  529
- Remote Modbus Device
  530
- Clear Records
  532
- M&D Device Data
  535
- Learned Data Records
  536
- Energization Records
  537
- Digital Fault Records
  538
  - DGA Models
    539
- Historical Maximum Record
  540
- DGA Historical Trend
  541
Environmental Health Report

543
- General Maintenance
  545
Warranty

547
- A.APPENDIX a Warranty
  548
- Major Updates
  548

GE 845 Instruction Manual

GE 845 Instruction Manual (484 pages)

Transformer Protection Relay

Brand: GE | Category: Relays | Size: 13.62 MB

Table of Contents

Table of Contents
3
INTRODUCTION Overview
9
Description of the 845 Transformer Protection Relay
10
Security Overview
14
845 Order Codes
16
Specifications
18
- Protection
  18
- Control
  25
- Monitoring
  25
- Recording
  27
- User-Programmable Elements
  27
- Metering
  28
- Inputs
  30
- Outputs
  31
- Power Supply
  32
- Communications
  32
- Testing & Certification
  33
- Physical
  34
- Environmental
  34
Cautions and Warnings
34
- Safety Words and Definitions
  34
- General Cautions and Warnings
  35
Must-Read Information
36
For Further Assistance
37
- Product Identification
  39
- Dimensions
  39
- INSTALLATION Mechanical Installation
  39
- Mounting
  40
  - Standard Panel Mount
    41
- Draw-Out Unit Withdrawal and Insertion
  42
- Removable Power Supply
  43
- Removable Magnetic Module
  44
Electrical Installation
45
- Terminal Identification
  50
  - Wire Size
    54
- Phase Sequence and Transformer Polarity
  54
- Ground CT Inputs
  55
- Voltage Inputs
  55
- Restricted Earth Fault Inputs
  56
- Zero-Sequence CT Installation
  56
- Control Power
  57
- Contact Inputs
  58
- Output Relays
  58
- Serial Communications
  60
- Irig-B
  61
3 INTERFACES Front Control Panel Interface

65
- Graphical Display
  65
  - Working with Graphical Display
    65
- LED Status Indicators
  68
- Home Screen Icons
  69
- Relay Messages
  70
  - Target Messages
    70
  - Self-Test Errors
    71
  - Flash Messages
    74
- Label Removal
  74
- Software Interface
  75
4 SETPOINTS Setpoints Main Menu

106
- Protection and Trip Breaker Selection
  106
- Setpoints Entry Methods
  110
- Common Setpoints
  111
- Logic Diagrams
  112
- Setpoints Text Abbreviations
  113
- Device
  114
  - Real-Time Clock
    114
    
    Clock
    115
    
    PTP Configuration
    116
    
    SNTP Protocol
    118
  - Security
    118
    
    Basic Security
    120
    
    Cybersentry
    122
  - Communications
    128
    
    Rs485
    128
    
    Wifi
    128
    
    Usb
    132
    
    Ethernet Ports
    132
    
    Modbus Protocol
    134
    
    DNP / IEC104 Point Lists
    146
    
    Iec 60870-5-104
    149
    
    Iec 60870-5-103
    151
    
    Iec 61850
    152
  - Transient Recorder
    167
  - Data Logger
    170
  - Fault Reports
    173
  - Flex State
    174
  - Programmable Leds
    175
  - Programmable Pushbuttons
    177
  - Front Panel
    180
    
    Display Properties
    180
    
    Default Screens
    181
  - Resetting
    182
  - Installation
    182
- System
  183
  - Current Sensing
    184
  - Voltage Sensing
    186
  - Power Sensing
    187
  - Power System
    188
  - Transformer
    189
    
    Transformer Setup
    190
    
    Xfmer Status Detection
    215
    
    Thermal Inputs
    218
    
    Onload Tap Changer
    219
  - Breakers
    224
  - Flexcurves
    226
- Inputs
  229
  - Contact Inputs
    229
  - Virtual Inputs
    232
  - Remote Inputs
    234
- Outputs
  235
  - Output Relays
    235
    
    Auxiliary Relay Selected for Breaker Trip
    237
    
    Aux Relay Selected for Breaker Close
    240
    
    Critical Failure Relay #8
    243
  - Virtual Outputs
    243
- Protection
  244
  - Percent Differential
    246
  - Transformer Overload
    253
  - Current Elements
    256
    
    Inverse Time Overcurrent Curves
    256
    
    Percent of Load-To-Trip
    263
    
    Phase Time Overcurrent Protection
    264
    
    Phase Instantaneous Overcurrent Protection
    267
    
    Phase Directional Overcurrent Protection
    271
    
    Neutral Time Overcurrent Protection
    274
    
    Neutral Instantaneous Overcurrent Protection
    277
    
    Neutral Directional Overcurrent Protection
    280
    
    Ground Time Overcurrent Protection
    286
    
    Ground Instantaneous Overcurrent Protection
    289
    
    Ground Directional Overcurrent Protection
    291
    
    Restricted Ground (Earth) Fault
    295
    
    Negative Sequence Time Overcurrent Protection
    301
    
    Negative Sequence Instantaneous Overcurrent Protection
    304
  - Voltage Elements
    307
    
    Undervoltage Curves
    307
    
    Phase Undervoltage Protection
    307
    
    Auxiliary Undervoltage
    311
    
    Phase Overvoltage Protection
    314
    
    Auxiliary Overvoltage Protection
    317
    
    Neutral Overvoltage Protection
    320
    
    Negative Sequence Overvoltage Protection
    323
    
    Volts Per Hertz
    325
  - Power Elements
    332
    
    Directional Power
    332
  - Frequency Elements
    339
    
    Underfrequency
    339
    
    Overfrequency
    343
    
    Frequency Rate of Change
    346
- Monitoring
  352
  - Transformer
    352
    
    Harmonic Derating
    352
    
    Thermal Elements
    355
    
    Tap Changer Failure
    361
  - Trip and Close Circuit Monitoring
    363
  - Breaker Arcing Current
    371
  - Breaker Health
    374
  - Functions
    379
    
    Power Factor
    379
    
    Demand
    386
    
    Pulsed Outputs
    390
    
    Digital Counters
    392
- Control
  397
  - Setpoint Group
    397
  - Breaker Control
    400
  - Trip Bus
    406
  - Breaker Failure
    409
    
    Setup
    410
    
    Initiate
    413
  - Synchrocheck
    414
  - VT Fuse Failure
    420
- Flexlogic
  423
  - Timers
    431
  - Non-Volatile Latches
    432
  - Flexlogic Equation
    433
    
    Viewing Flexlogic Graphics
    433
  - Flexelements
    434
- RTD Temperature
  441
- STATUS Breakers
  445
- Contact Inputs
  446
- Output Relays
  446
- Virtual Inputs
  446
- Virtual Outputs
  447
- Flex State
  448
- Communications
  448
  - GOOSE Rx and Tx
    448
- Information
  449
  - Main CPU
    449
  - Comms CPU
    450
  - Hardware Versions
    450
- Device Status
  451
- Clock
  451
- PTP Status
  452
6 METERING Transformer

455
- Percent Differential Current
  455
- Windings
  456
- Thermal Elements
  458
- Tap Changer
  458
- Currents
  459
- Voltages
  460
- Frequency
  462
- Volts Per Hertz
  462
- Harmonics 1
  462
- Harmonics 2
  463
- Harmonics 3
  464
- Harmonics 4
  464
- Synchrocheck
  465
- Power
  466
- Energy
  467
- Current Demand J1
  467
- Current Demand K1
  468
- Current Demand K2
  468
- Directional Power
  469
- Rtds
  470
- RTD Maximums
  471
Events

473
- Transient Records
  474
- Fault Reports
  474
- Data Logger
  476
- Breakers
  477
  - Breaker Arcing Current
    477
  - Breaker Health
    477
- Digital Counters
  478
- Clear Records
  478
8 Environmental Health Report

481
9 APPENDIX A Warranty

483
- Revision History
  483
  - Major Updates
    483

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