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Siemens SIPROTEC 4 7SAJ8 Manual

Siemens SIPROTEC 4 7SAJ8 Manual (562 pages)

Overcurrent Time Protection

Brand: Siemens | Category: Protection Device | Size: 14.21 MB

Table of Contents

Preface

3
Open Source Software

9
- Table of Contents
  11
1 Introduction

19
- Overall Operation
  20
- Application Scope
  22
- Characteristics
  24
2 Functions

29
- General
  30
- Functional Scope
  30
- Functional Description
  30
- Setting Notes
  30
- Settings
  32
- Device, General Settings
  34
- Functional Description
  34
- Setting Notes
  34
- Settings
  35
- Information List
  36
- Power System Data 1
  37
- Functional Description
  37
- Setting Notes
  38
- Settings
  43
- Information List
  46
- Oscillographic Fault Records
  46
- Functional Description
  47
- Setting Notes
  48
- Settings
  48
- Information List
  48
- Settings Groups
  49
- Functional Description
  49
- Setting Notes
  49
- Settings
  49
- Information List
  49
- Power System Data 2
  50
- Functional Description
  50
- Setting Notes
  50
- Settings
  53
- Information List
  54
- EN100-Module
  55
- Functional Description
  55
- Setting Notes
  55
- Information List
  55
- Overcurrent Protection 50, 51, 50N, 51N
  56
- General
  56
- Definite Time, High-Set Elements 50-3, 50-2, 50N-3, 50N-2
  57
- Definite Time Overcurrent Elements 50-1, 50N-1
  59
- Inverse Time Overcurrent Elements 51, 51N
  62
- Inverse Time Overcurrent Protection 51V (Voltage-Controlled / Voltagerestraint)
  65
- Dynamic Cold Load Pickup Function
  67
- Inrush Restraint
  68
- Pickup Logic and Tripping Logic
  69
- Two-Phase Overcurrent Protection (Only Non-Directional)
  70
- Fast Busbar Protection Using Reverse Interlocking
  71
- Setting Notes
  72
- Settings
  77
- Information List
  79
- Directional Overcurrent Protection 67, 67N
  82
- General
  82
- Definite Time Directional High-Set Elements 67-2, 67N-2, 67-3, 67N-3
  84
- Definite Time, Directional Time Overcurrent Elements 67-1, 67N-1
  85
- Inverse Time, Directional Overcurrent Elements 67-TOC, 67N-TOC
  88
- Interaction with Fuse Failure Monitor (FFM)
  89
- Dynamic Cold Load Pickup Function
  90
- Inrush Restraint
  90
- Determination of Direction
  90
- Reverse Interlocking for Double End Fed Lines
  94
- Setting Notes
  95
- Settings
  101
- Information List
  104
- Dynamic Cold Load Pickup
  106
- Functional Description
  106
- Setting Notes
  108
- Settings
  109
- Information List
  111
- Single-Phase Overcurrent Protection
  112
- Functional Description
  112
- High-Impedance Ground Fault Unit Protection
  113
- Tank Leakage Protection
  115
- Setting Notes
  116
- Settings
  121
- Information List
  121
- Voltage Protection 27, 59
  122
- Measurement Principle
  122
- Overvoltage Protection 59
  123
- Undervoltage Protection 27
  124
- Setting Notes
  127
- Settings
  130
- Information List
  131
  - Negative Sequence Protection 46
    132
  - Definite Time Characteristic
    132
  - Inverse Time Characteristic
    132
  - Setting Notes
    135
  - Settings
    136
  - Information List
    137
  - Frequency Protection 81 O/U
    138
  - Functional Description
    138
  - Setting Notes
    139
  - Settings
    140
  - Information List
    141
  - Undervoltage-Controlled Reactive Power Protection (27/Q)
    142
  - Functional Description
    142
  - Setting Notes
    144
  - Settings
    145
  - Information List
    146
  - Thermal Overload Protection 49
    147
  - Functional Description
    147
  - Setting Notes
    149
  - Settings
    152
  - Information List
    152
  - Monitoring Functions
    154
  - Measurement Supervision
    154
  - General
    154
  - Hardware Monitoring
    154
  - Software Monitoring
    156
  - Monitoring of the Transformer Circuits
    157
  - Measurement Voltage Failure Detection
    158
  - Broken Wire Monitoring of Voltage Transformer Circuits
    162
  - Setting Notes
    163
  - Settings
    164
  - Information List
    165
  - Trip Circuit Supervision 74TC
    166
  - Functional Description
    166
  - Setting Notes
    169
  - Settings
    169
  - Information List
    170
  - Malfunction Responses of the Monitoring Functions
    170
  - Description
    170
  - Ground Fault Protection 64, 67N(S), 50N(S), 51N(S)
    172
  - Ground Fault Detection for Cos-Φ / Sin-Φ Measurement (Standard Method)
    172
  - Ground Fault Detection for V0/I0-Φ Measurement
    178
  - Extended Ground Fault Protection EPTR/TNP
    182
  - General Information
    182
  - Ground-Fault Protection EPTR - B
    183
  - Transformer Neutral-Point Protection TNP
    184
  - Ground Fault Location
    184
  - Setting Notes
    185
  - Settings
    193
  - Settings EPTR, TNP
    195
- Information List
  195
- Information List EPTR, TNP
  196
- Intermittent Ground Fault Protection
  198
- Functional Description
  198
- Setting Notes
  201
- Settings
  202
- Information List
  203
- Dir. Intermittent Earth Fault Protection
  204
- Functional Description
  204
- Setting Notes
  207
- Settings
  208
- Information List
  208
- Automatic Reclosing System 79
  209
- Program Execution
  209
- Blocking
  213
- Status Recognition and Monitoring of the Circuit Breaker
  215
- Controlling Protection Elements
  216
- Zone Sequencing / Fuse Saving Scheme
  218
- Setting Notes
  219
- Settings
  224
- Information List
  230
- Fault Locator
  232
- Functional Description
  232
- Setting Notes
  233
- Settings
  234
- Information List
  234
- Breaker Failure Protection 50BF
  235
- Functional Description
  235
- Setting Notes
  238
- Settings
  240
- Information List
  241
- Flexible Protection Functions
  242
- Functional Description
  242
- Setting Notes
  246
- Settings
  250
- Information List
  252
- Reverse-Power Protection Application with Flexible Protection Function
  253
- Functional Description
  253
- Implementation of the Reverse Power Protection
  256
- Configuring the Reverse Power Protection in DIGSI
  258
- Synchrocheck
  261
- General
  261
- Functional Sequence
  263
- De-Energized Switching
  264
- Direct Command / Blocking
  265
- Interaction with Control, Automatic Reclosing and External Control
  265
  - Setting Notes
    267
  - Settings
    271
  - Information List
    272
  - Phase Rotation
    274
  - Functional Description
    274
  - Setting Notes
    274
  - Function Logic
    275
  - Pickup Logic of the Entire Device
    275
  - Tripping Logic of the Entire Device
    275
  - Setting Notes
    276
  - Auxiliary Functions
    277
  - Message Processing
    277
  - LED Displays and Binary Outputs (Output Relays)
    277
  - Information on the Integrated Display (LCD) or Personal Computer
    277
  - Information to a Control Center
    279
  - Statistics
    279
  - Functional Description
    279
  - Circuit Breaker Maintenance
    280
  - Setting Notes
    286
  - Information List
    288
  - Measurement
    288
  - Display of Measured Values
    289
  - Transfer of Measured Values
    290
  - Information List
    291
  - Average Measurements
    292
  - Functional Description
    292
  - Setting Notes
    292
  - Settings
    293
  - Information List
    293
  - Min/Max Measurement Setup
    293
  - Functional Description
    293
  - Setting Notes
    293
  - Settings
    294
  - Information List
    294
  - Set Points for Measured Values
    295
  - Setting Notes
    296
  - Set Points for Statistic
    296
  - Functional Description
    296
  - Information List
    296
  - Energy Metering
    296
  - Functional Description
    297
  - Setting Notes
    297
  - Settings
    297
  - Information List
    297
  - Commissioning Aids
    297
  - Functional Description
    298
  - Breaker Control
    299
  - Control Device
    299
  - Functional Description
    299
  - Information List
    300
  - Types of Commands
    300
  - Functional Description
    300
  - Command Sequence
    300
  - Functional Description
    301
  - Interlocking
    301
  - Command Logging
    308
  - Functional Description
    308
  - Notes on Device Operation
    309
  - Different Operation
    309
3 Mounting and Commissioning

311
- Mounting and Connections
  312
- Configuration Information
  312
- Hardware Modifications
  315
- Disassembly
  315
- Connections of the Current Terminals
  318
- Connections of the Voltage Terminals
  319
- Interface Modules
  320
- Reassembly
  322
- Installation
  323
- General
  323
- Panel Flush Mounting
  324
- Cubicle Mounting
  325
- Panel Surface Mounting
  326
- Checking Connections
  328
- Checking the Data Connections of the Interfaces
  328
- Checking the System Connections
  330
- Commissioning
  332
- Test Mode and Transmission Block
  333
- Testing the System Interface (at Port B)
  333
- Configuring Communication Modules
  334
- Checking the Status of Binary Inputs and Outputs
  338
- Tests for Breaker Failure Protection
  340
- Testing User-Defined Functions
  342
- Current, Voltage, and Phase Rotation Testing
  342
- Test for High Impedance Protection
  343
- Testing the Reverse Interlocking Scheme
  343
- Direction Check with Load Current
  344
- Polarity Check for Voltage Input V
  345
- Ground Fault Check
  347
- Polarity Check for Current Input Ι
  347
- Trip/Close Tests for the Configured Operating Devices
  350
- Creating Oscillographic Recordings for Tests
  350
- Final Preparation of the Device
  352
4 Technical Data

353
- General Device Data
  354
- Analog Inputs
  354
- Auxiliary Voltage
  354
- Binary Inputs and Outputs
  355
- Communication Interfaces
  356
- Electrical Tests
  358
- Mechanical Tests
  360
- Climatic Stress Tests
  360
- Service Conditions
  361
- Constructive Design
  361
- UL Certification Conditions
  362
- Definite-Time Overcurrent Protection
  363
- Inverse-Time Overcurrent Protection
  365
- Directional Overcurrent Protection
  376
- Inrush Restraint
  378
- Dynamic Cold Load Pickup
  379
- 1-Phase Overcurrent Protection
  380
- Voltage Protection
  381
- Negative Sequence Protection (Definite-Time Characteristic)
  383
- Negative Sequence Protection (Inverse-Time Characteristics)
  384
- Frequency Protection 81 O/U
  390
- Undervoltage-Controlled Reactive Power Protection (27/Q)
  391
- Thermal Overload Protection
  393
- Ground Fault Detection (Sensitive/Insensitive)
  395
- Intermittent Ground Fault Protection
  401
- Directional Intermittent Ground Fault Protection
  402
- Automatic Reclosing
  403
- Fault Locator
  404
- Breaker Failure Protection 50BF
  405
- Flexible Protection Functions
  406
- Synchrocheck 25
  409
- User-Defined Functions (CFC)
  411
- Auxiliary Functions
  416
- Switching Device Control
  421
- Dimensions
  422
- Panel Flush and Cubicle Mounting (Housing Size 1/6)
  422
- Panel Surface Mounting (Housing Size 1/6)
  423
- Bottom View
  423
- Varistor
  424
A Ordering Information and Accessories

425
- Ordering Information 7SJ80
  426
- Accessories
  431
B Terminal Assignments

433
- 7SJ80 - Housing for Panel Flush Mounting and Cubicle Installation and for Panel Surface Mounting
  434
C Connection Examples

441
- Connection Examples for Current and Voltage Transformers
  442
- Connection Examples for SICAM I/O Units
  454
D Current Transformer Requirements

455
- Accuracy Limiting Factors
  456
- Class Conversion
  457
- Cable Core Balance Current Transformer
  458
- Default Settings and Protocol-Dependent Functions
  
  459
  - Leds
    460
  - Binary Input
    462
  - Binary Output
    463
  - Function Keys
    464
  - Default Display
    465
  - Protocol-Dependent Functions
    468
F Functions, Settings, Information

469
- Functional Scope
  470
- Settings
  472
- Information List
  501
- Group Alarms
  539
- Measured Values
  541
- Literature
  
  547
- Glossary
  
  549
- Index
  
  559

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