User Manuals: Siemens 7SR224 Overcurrent Relay

Manuals and User Guides for Siemens 7SR224 Overcurrent Relay. We have 7 Siemens 7SR224 Overcurrent Relay manuals available for free PDF download: Technical Manual, Manual, Description & Operation, Technical Reference

Siemens 7SR224 Technical Manual (350 pages)

Recloser Controller

Brand: Siemens | Category: Controller | Size: 14 MB

Table of Contents

4
Section 1: Introduction/Section 2: Setting the Relay Using Reydisp Evolution

74
- Section 1: Introduction
  75
  - Relay Menus and Display
    75
  - Operation Guide
    77
    
    User Interface Operation
    77
  - Settings Display
    79
  - Instruments Mode
    80
  - Fault Data Mode
    80
  - Control Mode
    80
- Section 2: Setting the Relay Using Reydisp Evolution
  81
  - Physical Connection
    81
    
    Front USB Connection
    81
    
    Rear RS485 Connection
    82
    
    Optional Rear Fibre Optic Connection
    82
    
    Optional Rear RS232 Connection
    83
    
    Configuring Relay Data Communication
    83
    
    Connecting to the Relay Via Reydisp
    85
Section 1: Common Functions/Section 2: Protection Functions

87
- Section 1: Common Functions
  90
  - General
    90
    
    CE Conformity
    90
    
    Reference
    90
    
    Dimensions
    90
    
    Weights
    91
  - Energising Quantities
    92
    
    Auxiliary Power Supply
    92
    
    AC Current
    92
    
    AC Voltage
    93
    
    Binary (Digital) Outputs
    93
    
    Binary (Digital) Inputs
    94
  - Functional Performance
    96
    
    Instrumentation
    96
    
    USB Data Communication Interface
    96
    
    Fibre Optic Data Communication Interface
    96
    
    RS485 Data Communication Interface
    96
    
    Additional RS485 Data Communication Interface
    96
    
    RS232 Data Communication Interface
    96
    
    Real Time Clock
    96
  - Environmental Performance
    98
    
    General
    98
    
    Emissions
    98
    
    Immunity
    99
    
    Mechanical
    100
- Section 2: Protection Functions
  101
  - 27/59 Under/Over Voltage
    101
    
    Reference
    101
    
    Operate and Reset Level
    101
    
    Operate and Reset Time
    101
  - Undercurrent
    102
    
    Reference
    102
    
    Operate and Reset Level
    102
    
    Operate and Reset Time
    102
  - 46NPS Negative Phase Sequence Overcurrent
    103
    
    Reference (46DT)
    103
    
    Operate and Reset Level (46DT)
    103
    
    Operate and Reset Time (46DT)
    103
    
    Reference (46IT)
    104
    
    Operate and Reset Level (46IT)
    104
    
    Operate and Reset Time (46IT)
    104
  - Negative Phase Sequence Voltage
    105
    
    Reference (47)
    105
    
    Operate and Reset Level (47)
    105
    
    Operate and Reset Time (47)
    105
  - Thermal Overload
    106
    
    Reference
    106
    
    Operate and Reset Level
    106
    
    Operate and Reset Time
    106
  - Instantaneous Overcurrent
    108
    
    Reference
    108
    
    Operate and Reset Level
    108
    
    Operate and Reset Time
    108
  - Instantaneous Measured Earth Fault
    109
    
    Reference
    109
    
    Operate and Reset Level
    109
    
    Operate and Reset Time
    109
  - 50SEF Instantaneous Sensitive Earth Fault
    110
    
    Reference
    110
    
    Operate and Reset Level
    110
    
    Operate and Reset Time
    110
  - Time Delayed Overcurrent
    111
    
    Reference
    111
    
    Operate and Reset Level
    111
    
    Operate and Reset Time
    112
  - Time Delayed Measured Earth Fault
    113
    
    Reference
    113
    
    Operate and Reset Level
    113
    
    Operate and Reset Time
    114
  - 51SEF Time Delayed Sensitive Earth Fault
    118
    
    Reference
    118
    
    Operate and Reset Level
    118
    
    Operate and Reset Time
    119
  - Voltage Controlled Overcurrent
    120
    
    Reference
    120
    
    Operate and Reset Level
    120
  - Neutral Voltage Displacement
    121
    
    Reference (59NDT)
    121
    
    Operate and Reset Level (59NDT)
    121
    
    Operate and Reset Time (59NDT)
    121
    
    Reference (59NIT)
    121
    
    Operate and Reset Level (59NIT)
    121
    
    Operate and Reset Time (59NIT)
    122
  - Restricted Earth Fault Protection
    123
    
    Reference
    123
    
    Operate and Reset Level
    123
    
    Operate and Reset Time
    123
  - 67/67G/67SEF Directional Overcurrent & Earth Fault
    124
    
    Reference
    124
    
    Operate Angle
    124
    
    Operate Threshold
    124
    
    Minimum Polarising Voltage Level
    124
    
    Operate and Reset Time
    124
  - 81Under/Over Frequency
    125
    
    Reference
    125
    
    Operate and Reset Level
    125
    
    Operate and Reset Time
    125
- Section 3: Supervision Functions
  126
  - 46BC Broken Conductor
    126
    
    Reference
    126
    
    Operate and Reset Level
    126
    
    Operate and Reset Time
    126
  - 50BF Circuit Breaker Fail
    127
    
    Reference
    127
    
    Operate and Reset Level
    127
    
    Operate and Reset Time
    127
  - 60CTS Current Transformer Supervision
    128
    
    Reference
    128
    
    Current & Voltage Threshold
    128
    
    Operate and Reset Time
    128
  - 60VTS Voltage Transformer Supervision
    129
    
    Reference (60VTS)
    129
    
    Operate and Reset Level
    129
    
    Operate and Reset Time
    129
  - 60VTF-Bus Voltage Transformer Supervision
    130
    
    Reference (60VTF)
    130
    
    Operate and Reset Time
    130
  - 74TCS Trip Circuit Supervision
    130
  - 81HBL2 Inrush Detector
    131
    
    Reference
    131
    
    Operate and Reset Level
    131
    
    Operate and Reset Time
    131
- Section 4: Control Functions
  132
  - Check Synchronising
    132
    
    Reference
    132
    
    Live/Dead Line/Bus Detector Elements
    132
    
    Line and Bus Undervoltage Elements
    132
    
    Voltage Difference
    133
    
    General Autoreclose Timers
    133
    
    CS/SS/COZ Line and Bus Phase Angle Difference
    133
    
    CS/SS/COZ Slip Frequency
    133
    
    CS/SS Timer
    133
    
    Split Angle Detector
    133
    
    Split Slip Frequency Detector
    133
  - Loss of Voltage (LOV) Loop Automation Function
    134
    
    Reference (LOV-A/X Dead/Live )
    134
    
    Operate and Reset Level
    134
    
    Reference LOV Automation Timers
    134
    
    Operate Time LOV Automation Timers
    134
Table of Contents

136
- Section 1: Introduction
  137
- Section 2: Physical Connection
  138
  - Communication Ports
    138
    
    DNP 3.0 Settings
    138
    
    IEC60870-5-101 Settings
    139
    
    USB Interface
    140
    
    RS485 Interface
    141
    
    Fibre Optic Interface
    142
- Section 3: IEC 60870-5-103 Definitions
  146
  - Introduction
    146
- Section 4: Modbus Definitions
  160
  - Introduction
    160
- Event Format
  168
- Section 5: DNP3.0 Definitions
  169
  - Device Profile
    169
  - Point List
    177
  - IEC60870-5-101 Introduction
    189
- Section 6: Modems
  208
  - Connecting a Modem to the Relay(S)
    208
  - Setting the Remote Modem
    208
  - Connecting to the Remote Modem
    208
- Section 7: Configuration
  209
- Section 8: Glossary
  210
Table of Contents

212
- Section 1: Installation
  213
  - Unpacking, Storage and Handling
    213
  - Recommended Mounting Position
    213
  - Wiring
    213
  - Earthing
    213
  - Ancillary Equipment
    213
  - Equipment Operating Conditions Current Transformer Circuits
    213
  - Fibre Optic Communication
    214
  - Front Cover
    214
- Section 2: Dimensions and Panel Fixings
  215
  - Relay Dimensions and Weight
    215
  - Fixings
    216
    
    Crimps
    216
    
    Panel Fixings
    216
    
    Fibre Optic Connectors
    216
- Section 3: Rear Terminal Drawings
  217
  - E10 Case
    217
- Section 4: Connection/Wiring/Diagrams
  219
  - Wiring Diagram: 7SR224 Recloser Controller Relay
    219
  - Interface Diagram: 7SR224 Recloser Controller Relay
    221
- Section 5: Data Comms Connections
  222
  - RS485 Connection
    222
  - RS232 Connections
    223
  - IRIG-B Connections
    223
  - Fibre Optic Connections
    223
- Section 6: Connection Diagrams
  225
  - Typical A.C. Connections: 7SR224 DOC/DEF Recloser Control Relay
    225
Table of Contents

228
- Section 1: Common Functions
  231
  - Overview
    231
  - Before Testing
    231
    
    Safety
    231
    
    Sequence of Tests
    231
    
    Test Equipment
    232
    
    Precautions
    232
    
    Applying Settings
    232
  - Tests
    234
    
    Inspection
    234
    
    Secondary Injection Tests
    234
    
    Primary Injection Tests
    234
    
    Putting into Service
    234
  - AC Energising Quantities
    235
  - Binary Inputs
    236
  - Binary Outputs
    237
  - Relay Case Shorting Contacts
    238
- Section 2: Protection Functions
  239
  - Phase Directional Polarity Check
    240
    
    Out of 3 Logic
    242
  - Phase Overcurrent (67/50,67/51)
    242
    
    Definite Time Overcurrent (50)
    243
    
    Inverse Time Overcurrent (51)
    243
  - Voltage Controlled Overcurrent (51V)
    245
  - Cold Load (51C)
    247
    
    Inverse Time Overcurrent (51C)
    248
  - Directional Earth Fault Polarity Check (67N)
    250
  - Measured Earth Fault (67/50G,67/51G)
    251
    
    Directional Polarity
    252
    
    Definite Time Overcurrent (67/50G)
    252
    
    Inverse Time Overcurrent (67/51G)
    252
  - Sensitive Earth Fault (67/50S,67/51S)
    255
    
    Directional Polarity
    256
    
    (50Sef)
    256
    
    Inverse Time Overcurrent (51SEF)
    256
  - Restricted Earth Fault (64H)
    259
  - Negative Phase Sequence Overcurrent (46NPS)
    261
    
    Definite Time NPS Overcurrent (46DT)
    262
    
    Inverse Time NPS Overcurrent (46IT)
    262
  - Undercurrent (37)
    264
  - Thermal Overload (49)
    266
  - Over/Under Voltage
    268
    
    Phase Under/Over Voltage (27/59)
    268
    
    Undervoltage Guard (27/59UVG)
    270
    
    VX Under/Over Voltage (VX 27/59)
    271
    
    NPS Overvoltage (47)
    273
    
    Neutral Overvoltage (59N)
    275
    
    Definite Time (59NDT)
    275
    
    Inverse Time (59NIT)
    276
    
    Under/Over Frequency (81)
    277
- Section 3: Supervision Functions
  279
  - CB Fail (50BF)
    279
  - Voltage Transformer Supervision (60VTS)
    281
    
    Or 2 Phase VT Fail
    281
    
    Phase VT Fail
    282
  - Bus Voltage Transformer Fail (60VTF-Bus)
    283
  - Current Transformer Supervision (60CTS)
    284
  - Broken Conductor (46BC)
    286
  - Trip Circuit Supervision (74TCS)
    288
  - Magnetising Inrush Detector (81HBL2)
    289
- Section 4: Control & Logic Functions
  290
  - Autoreclose (79)
    290
  - Synchronising
    290
  - Loss of Voltage (LOV) Loop Automation Function
    291
  - Quick Logic
    292
- Section 5: Testing and Maintenance
  293
  - Periodic Tests
    293
  - Maintenance
    293
  - Troubleshooting
    294
- Defect Report Form
  295
- Section 6: Relay Software Upgrade Instructions
  297
Table of Contents

301
- Section 1: Common Functions
  303
  - Multiple Settings Groups
    303
  - Binary Inputs
    304
    
    Alarm and Tripping Inputs
    304
    
    Control and Tripping Circuits
    305
  - Binary Outputs
    307
  - Leds
    307
  - Phase Allocation and Rotation
    307
- Section 2: Protection Functions
  308
  - Time Delayed Overcurrent (51/51G/51N)
    308
    
    Selection of Overcurrent Characteristics
    309
    
    Reset Delay
    310
  - Voltage Dependent Overcurrent (51V)
    311
  - Cold Load Settings (51C)
    311
  - Instantaneous Overcurrent (50/50G/50N)
    312
    
    Blocked Overcurrent Protection Schemes
    312
  - Sensitive Earth-Fault Protection (50SEF)
    314
  - Directional Protection (67)
    315
    
    Out of 3 Logic
    317
  - Directional Earth-Fault (50/51G, 50/51N, 51/51SEF)
    318
  - High Impedance Restricted Earth Fault Protection (64H)
    319
  - Negative Phase Sequence Overcurrent (46NPS)
    321
  - Undercurrent (37)
    321
  - Thermal Overload (49)
    321
  - Under/Over Voltage Protection (27/59)
    322
  - Neutral Overvoltage (59N)
    323
    
    Application with Capacitor Cone Units
    324
    
    Derived NVD Voltage
    324
  - Negative Phase Sequence Overvoltage (47)
    324
- Section 3: CT Requirements
  326
  - CT Requirements for Overcurrent and Earth Fault Protection
    326
    
    Overcurrent Protection Cts
    326
    
    Earth Fault Protection Cts
    326
  - CT Requirements for High Impedance Restricted Earth Fault Protection
    327
- Section 4: Control Functions
  328
  - Auto-Reclose Applications
    328
    
    Auto-Reclose Example 2 (Use of Quicklogic with AR)
    330
  - Synchronising
    331
    
    Check Sync, System Sync
    331
    
    Rated Voltage Setting - V.T. Connection
    331
    
    Bus/Line Undervolts Settings
    331
    
    Voltage Differential Settings
    332
    
    Synchronising Bypass Logic
    332
    
    Slip and Phase Angle Relationship
    332
    
    Check Synchronising Settings
    333
    
    System Synchronising Settings
    333
    
    Example Setting Calculations for Slip Timer
    334
    
    Close on Zero
    335
  - Loss of Voltage (LOV) Loop Automation Function
    335
  - Single/Triple Autoreclose
    339
    
    System Arrangement for Application of Single/Triple Autoreclose
    339
    
    Triple/Single Modes of Operation
    340
    
    Pole Discrepancy
    342

Siemens 7SR224 Description & Operation (66 pages)

Recloser Controller

Brand: Siemens | Category: Controller | Size: 1 MB

Siemens 7SR224 Manual (73 pages)

Recloser Controller

Brand: Siemens | Category: Controller | Size: 0 MB

Table of Contents
2
Section 1: Common Functions

5
- Overview
  5
- Before Testing
  5
  - Safety
    5
  - Sequence of Tests
    5
  - Test Equipment
    6
  - Precautions
    6
  - Applying Settings
    6
- Tests
  8
  - Inspection
    8
  - Secondary Injection Tests
    8
  - Primary Injection Tests
    8
  - Putting into Service
    8
- AC Energising Quantities
  9
- Binary Inputs
  10
- Binary Outputs
  11
- Relay Case Shorting Contacts
  12
Section 2: Protection Functions

13
Section 3: Supervision Functions

53
Section 4: Control & Logic Functions

64
- Autoreclose (79)
  64
- Synchronising
  64
- Loss of Voltage (LOV) Loop Automation Function
  65
- Quick Logic
  66
Section 5: Testing and Maintenance

67
- Periodic Tests
  67
- Maintenance
  67
- Troubleshooting
  68
Defect Report Form

69
Section 6: Relay Software Upgrade Instructions

71

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