Siemens 7SR242 Duobias Manuals

Manuals and User Guides for Siemens 7SR242 Duobias. We have 3 Siemens 7SR242 Duobias manuals available for free PDF download: Technical Manual, Commissioning And Maintenance Manual, Manual

Siemens 7SR242 Duobias Technical Manual (382 pages)

Transformer Protection Relay

Brand: Siemens | Category: Protection Device | Size: 7.22 MB

Table of Contents

9
Section 1: Introduction/Section 2: Setting the Relay Using Reydisp

69
Section 1: Common Functions/Section 2: Protection Functions

91
- CE Conformity
  95
- Chapter 3 ) 7SR242 Duobias Performance Specification
  95
- Dimensions and Weights
  95
- Reference
  95
- Section 1: Common Functions
  95
  - General
    95
- Energising Quantities
  96
  - Auxiliary Power Supply
    96
  - AC Current
    97
  - AC Voltage
    98
  - Binary (Digital) Outputs
    99
  - Binary (Digital) Inputs
    99
- Functional Performance
  101
  - Instrumentation
    101
  - Data Communication
    101
  - Real Time Clock
    102
- Environmental Performance
  103
  - General
    103
  - Emissions
    104
  - Immunity
    104
  - Mechanical
    106
- Section 2: Protection Functions
  107
  - Over Fluxing
    107
    
    Reference (24DT)
    107
    
    Operate and Reset Level (24DT)
    107
    
    Operate and Reset Time (24DT)
    107
    
    Reference (24IT)
    107
    
    Operate and Reset Level (24IT)
    107
    
    Operate and Reset Time (24IT)
    108
  - 27/59 Under/Over Voltage
    109
    
    Reference
    109
    
    Operate and Reset Level
    109
    
    Operate and Reset Time
    109
  - 37,37G Undercurrent
    110
    
    Reference
    110
    
    Operate and Reset Level
    110
    
    Operate and Reset Time
    110
  - 46BC Open Circuit
    111
    
    Reference
    111
    
    Operate and Reset Level
    111
    
    Operate and Reset Time
    111
  - 46NPS Negative Phase Sequence Overcurrent
    112
    
    Reference (46DT)
    112
    
    Operate and Reset Level (46DT)
    112
    
    Operate and Reset Time (46DT)
    112
    
    Reference (46IT)
    112
    
    Operate and Reset Level (46IT)
    112
    
    Operate and Reset Time (46IT)
    113
  - Thermal Overload
    114
    
    Reference
    114
    
    Operate and Reset Level
    114
    
    Operate and Reset Time
    114
  - Instantaneous Overcurrent
    116
    
    Reference
    116
    
    Operate and Reset Level
    116
    
    Operate and Reset Time
    116
  - Instantaneous Derived Earth Fault
    117
    
    Reference
    117
    
    Operate and Reset Level
    117
    
    Operate and Reset Time
    117
  - Instantaneous Measured Earth Fault
    118
    
    Reference
    118
    
    Operate and Reset Level
    118
    
    Operate and Reset Time
    118
  - Time Delayed Overcurrent
    119
    
    Reference
    119
    
    Operate and Reset Level
    119
    
    Operate and Reset Time
    120
  - Time Delayed Derived Earth Fault
    121
    
    Reference
    121
    
    Operate and Reset Level
    121
    
    Operate and Reset Time
    122
  - Time Delayed Measured Earth Fault
    123
    
    Reference
    123
    
    Operate and Reset Level
    123
    
    Operate and Reset Time
    124
  - Neutral Voltage Displacement
    128
    
    Reference (59NDT)
    128
    
    Operate and Reset Level (59NDT)
    128
    
    Operate and Reset Time (59NDT)
    128
    
    Reference (59NIT)
    128
    
    Operate and Reset Level (59NIT)
    128
    
    Operate and Reset Time (59NIT)
    129
  - Restricted Earth Fault Protection
    130
    
    Reference
    130
    
    Operate and Reset Level
    130
    
    Operate and Reset Time
    130
    
    Harmonic Rejection
    130
  - 81Under/Over Frequency
    131
    
    Reference
    131
    
    Operate and Reset Level
    131
    
    Operate and Reset Time
    131
  - Biased Differential
    132
    
    Reference
    132
    
    Operate and Reset Level
    133
    
    Operate Time
    133
  - 87HS High-Set Differential
    134
    
    Reference
    134
    
    Operate and Reset Level
    134
    
    Operate and Reset Time
    134
- Section 3: Supervision Functions
  135
  - 50BF Circuit Breaker Fail
    135
    
    Reference
    135
    
    Operate and Reset Level
    135
    
    Operate and Reset Time
    135
  - 74TCS/CCS Trip/Close Circuit Supervision
    136
    
    Reference
    136
    
    Operate and Reset Time
    136
  - 81HBL2 Inrush Detector
    137
    
    Reference
    137
    
    Operate and Reset Level
    137
    
    Operate and Reset Time
    137
  - 81HBL5 Overfluxing Detector
    138
    
    Reference
    138
    
    Operate and Reset Level
    138
    
    Operate and Reset Time
    138
Table of Contents

141
- Introduction
  145
- Physical Connection
  145
- Chapter 4 - 7SR242 Duobias · Data Communications Definitions
  146
- RS485 Interface (COM1)
  146
- USB Interface (COM2)
  146
- Serial Fibre Optic Interface (COM3 & COM4)
  148
- Optional Rear RS485 (COM3)
  151
- Optional Rear RS232 (COM3)
  152
- Optional Rear EN100 Ethernet Module (COM3)
  154
- IEC 60870-5-103 Definitions
  157
  - Introduction
    157
  - Cause of Transmission
    158
  - Application Service Data Unit (ASDU) Type
    159
  - Point List
    160
    
    Event Function (FUN) & Information (INF) Numbers
    160
    
    Measurands
    168
    
    Disturbance Recorder Actual Channel (ACC) Numbers
    169
- MODBUS Definitions
  171
  - Introduction
    171
  - MODBUS Register Data Types
    172
    
    Fp_32Bits_3Dp
    173
    
    Uint32
    173
    
    Uint16
    173
    
    Event
    174
    
    Eventcount
    175
    
    Str32 & Str64
    175
    
    Bitstring
    175
  - Point List
    177
    
    Coils (Read Write Binary Values)
    177
    
    Inputs (Read Only Binary Values)
    178
    
    Input Registers (Read Only Registers)
    185
    
    Holding Registers (Read Write Registers)
    187
- DNP3 Definitions
  191
  - Device Profile
    191
  - Implementation Table
    194
  - Point List
    200
    
    Binary Input Points
    200
    
    Counters
    213
    
    Analog Inputs
    215
  - Additional Settings
    217
- Not Applicable
  219
- IEC61850 Protocol Support
  221
  - Introduction
    221
- Serial Modems
  223
  - Introduction
    223
  - Connecting a Modem to the Relay(S)
    223
  - Setting the Remote Modem
    223
  - Connecting to the Remote Modem
    223
- Configuration
  225
- Glossary
  227
Table of Contents

233
- Ancillary Equipment
  235
- Chapter 5 ) 7SR242 Duobias Installation Guide
  235
- Earthing
  235
- Packaging
  235
- Recommended Mounting Position
  235
- Unpacking, Storage and Handling
  235
- Wiring
  235
- Disposal
  236
- Section 2: Equipment Operating Conditions
  237
  - Current Transformer Circuits
    237
  - External Resistors
    237
  - Fibre Optic Communication
    237
  - Front Cover
    237
  - Disposal
    237
- Section 3: Dimensions and Panel Fixings
  238
  - Relay Dimensions
    238
  - Fixings
    241
    
    Crimps
    241
    
    Panel Fixings
    241
- Section 4: Rear Terminal Drawings
  242
  - E8 Case
    242
  - E10 Case
    244
- Section 5: Connection/Wiring/Diagrams
  247
  - Wiring Diagram: 7SR242 Relay
    247
- Section 6: Data Comms Connections
  249
  - RS485 Connection
    249
  - IRIG-B Connections
    249
  - Optional Fibre Optic Connections
    250
  - Optional Additional RS485 Connections
    251
  - Optional RS232 Connections
    251
  - Additional (Optional) Ethernet Connection for IEC 61850
    252
- Section 7: Connection Diagrams
  253
  - Typical AC Connections: 7SR242
    253
Section 2: Protection Functions/Definite Time Overcurrent (50)

257
- Before Testing
  261
  - Safety
    261
  - Sequence of Tests
    261
  - Test Equipment
    262
  - Precautions
    262
  - Applying Settings
    263
- Chapter 6 ) 7SR242 Duobias Commissioning & Maintenance Guide
  261
- Overview
  261
- Tests
  264
  - Inspection
    264
  - Secondary Injection Tests
    264
  - Primary Injection Tests
    264
  - Putting into Service
    264
- AC Energising Quantities
  265
- Binary Inputs
  266
- Binary Outputs
  267
- Relay Case Shorting Contacts
  267
- Section 2: Protection Functions
  269
  - Biased Differential (87BD, 87HS)
    271
    
    Secondary Injection Testing
    271
    
    Primary Injection Testing
    274
    
    Phase Overcurrent (50, 51)
    275
    
    Definite Time Overcurrent (50)
    276
    
    Inverse Time Overcurrent (51)
    276
  - Derived Earth Fault (50N,51N)
    278
    
    Inverse Time Overcurrent (51N)
    279
    
    ANSI Reset
    280
  - Measured Earth Fault (50G, 51G)
    281
    
    Inverse Time Overcurrent (51G)
    282
    
    ANSI Reset
    283
  - Restricted Earth Fault (64H)
    284
  - Open Circuit (46BC)
    286
  - Negative Phase Sequence Overcurrent (46NPS)
    288
    
    Definite Time NPS Overcurrent (46DT)
    289
    
    Inverse Time NPS Overcurrent (46IT)
    289
  - Undercurrent (37, 37G)
    291
    
    37-N Elements
    291
    
    Elements
    292
  - Thermal Overload (49)
    293
  - Under/Over Voltage (27/59)
    295
    
    Undervoltage Guard (27/59UVG)
    297
  - Neutral over Voltage (59N)
    298
    
    Definite Time (59NDT)
    299
    
    Inverse Time (59NIT)
    299
  - Under/Over Frequency (81)
    300
  - Overfluxing (24)
    302
    
    Definite Time (24DT)
    302
- Section 3: Supervision Functions
  305
  - CB Fail (50BF)
    305
  - Trip/Close Circuit Supervision (74TCS, 74CCS)
    307
  - Magnetising Inrush Detector (81HBL2)
    308
  - Overfluxing Detector (81HBL5)
    310
- Section 4: Control & Logic Functions
  311
  - Quick Logic
    311
- Section 5: Testing and Maintenance
  313
  - Periodic Tests
    313
  - Maintenance
    313
  - Troubleshooting
    314
- Section 6: Relay Software Upgrade Instructions
  315
  - General
    315
  - Replacing Firmware on a Product Installed on Site
    315
    
    Identify Which Software Is Currently Loaded
    315
    
    Overall Software Information
    315
    
    Product Configuration Information
    315
    
    Things to Do before Loading New Firmware/Software
    316
    
    Loading Firmware Using Front USB Port
    316
    
    Solving Software Upload Problems
    316
Table of Contents

319

Siemens 7SR242 Duobias Manual (52 pages)

Brand: Siemens | Category: Relays | Size: 1.43 MB

Siemens 7SR242 Duobias Commissioning And Maintenance Manual (57 pages)

Brand: Siemens | Category: Relays | Size: 0.56 MB

Document Release History
1
Software Revision History
1
Table of Contents
2
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
7
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
11
Section 2: Protection Functions
12
Biased Differential (87BD, 87HS)
14
Secondary Injection Testing
14
Figure 2-1 Biased Differential
14
Figure 2-2 Secondary Injection Using a Variac
15
Primary Injection Testing
17
Phase Overcurrent (50, 51)
18
Figure 2-3 Phase Overcurrent
18
Definite Time Overcurrent (50)
19
Inverse Time Overcurrent (51)
19
Derived Earth Fault (50N,51N)
21
Figure 2-4 Measured Earth Fault
21
Definite Time Overcurrent (50N)
22
Inverse Time Overcurrent (51N)
22
ANSI Reset
23
Measured Earth Fault (50G, 51G)
24
Figure 2-5 Measured Earth Fault
24
Definite Time Overcurrent (50G)
25
Inverse Time Overcurrent (51G)
25
ANSI Reset
26
Restricted Earth Fault (64H)
27
Figure 2-6 Restricted Earth Fault
27
Open Circuit (46BC)
29
Figure 2-7 Open Circuit
29
Negative Phase Sequence Overcurrent (46NPS)
31
Figure 2-8 Negative Phase Sequence Overcurrent
31
Definite Time NPS Overcurrent (46DT)
32
Inverse Time NPS Overcurrent (46IT)
32
Undercurrent (37, 37G)
34
37-N Elements
34
Figure 2-9 Undercurrent
34
Elements
35
Thermal Overload (49)
36
Figure 2-10 Thermal Overload
36
Under/Over Voltage (27/59)
38
Figure 2-11 Phase Under/Over Voltage
38
Undervoltage Guard (27/59UVG)
40
Neutral over Voltage (59N)
41
Figure 2-12 Neutral Overvoltage
41
Definite Time (59NDT)
42
Inverse Time (59NIT)
42
Under/Over Frequency (81)
43
Figure 2-13 Under/Over Frequency
43
Overfluxing (24)
45
Definite Time (24DT)
45
Figure 2-14 Under/Over Frequency
45
Inverse Time (24IT)
46
Section 3: Supervision Functions
47
CB Fail (50BF)
47
Figure 3-1 CB Fail
47
Trip/Close Circuit Supervision (74TCS, 74CCS)
49
Figure 3-2 Trip Circuit Supervision
49
Magnetising Inrush Detector (81HBL2)
50
Figure 3-3 Magnetising Inrush Detector
50
Overfluxing Detector (81HBL5)
52
Figure 3-4 Magnetising Inrush Detector
52
Section 4: Control & Logic Functions
53
Quick Logic
53
Section 5: Testing and Maintenance
54
Periodic Tests
54
Maintenance
54
Troubleshooting
54
Defect Report Form
56

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