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Siemens Argus 7SR11 Manual
Overcurrent relay energy management
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Description of Operation
Section 1: Introduction
Table 1-1 7SR11 Ordering Options
Figure 1-1 Functional Diagram of 7SR1101-1_A12-_CA0 Relay
Figure 1-2 Functional Diagram of 7SR1101-3_A12-_CA0 Relay
Figure 1-3 Functional Diagram of 7SR1103-1_A
Figure 1-4 Functional Diagram of 7SR1103-3_A
Figure 1-5 Connections Diagram for 7SR11 Relay
Table 1-2 7SR12 Ordering Options
Figure 1-6 Functional Diagram of 7SR1204-2_A12-_CA0 Relay
Figure 1-7 Functional Diagram of 7SR1204-4_A12-_CA0 Relay
Figure 1-8 Functional Diagram of 7SR1205-2_A
Figure 1-9 Functional Diagram of 7SR1205-4_A
Figure 1-10 Connections Diagram for 7SR12 Relay
Section 2: Hardware Description
General
Table 2-1 Summary of 7SR1 Relay Configurations
Case
Figure 2-1 E4 Relay Shown Withdrawn
Front Cover
Figure 2-2 Rear View of Relay (E6 Case with Optional IEC61850 Module)
Figure 2-3 Earth Connection Symbol
Figure 2-4 Relay with Standard Transparent Cover (E6 Case with Optional IEC61850 Module)
Power Supply Unit (PSU)
Figure 2-5 Relay with Transparent Cover and Push Buttons
Table 2-2 Power Supply Unit (PSU) Options
Operator Interface/ Fascia
Figure 2-6 Relay with Transparent Cover Removed (E6 Case with Optional IEC61850 Module)
Figure 2-7 Close up of Relay Label
Figure 2-8 Close up of Relay Identifier
Current Inputs
Voltage Inputs
Binary Inputs
Figure 2-9 LED Indication Label
Binary Outputs (Output Relays)
Figure 2-10 Binary Input Logic
Virtual Input/Outputs
Figure 2-11 Binary Output Logic
Self Monitoring
Figure 2-12 Start-Up Counter Meter
Figure 2-13 Unexpected Restarts Lockout Text
Figure 2-14 Start-Up Events
Protection Healthy/Defective
Section 3: Protection Functions
Current Protection: Phase Overcurrent (67, 51, 50)
Directional Control of Overcurrent Protection (67) - 7SR12
Figure 3-1 Logic Diagram: Directional Overcurrent Element (67)
Time Delayed Overcurrent Protection (51)
Figure 3-2 Logic Diagram: Instantaneous Over-Current Element
Applications Guide
Figure 3-3 Logic Diagram: Time Delayed Overcurrent Element
Siemens Protection Devices Limited
Current Protection: Voltage Controlled Overcurrent (51V) - 7SR12
Figure 3-4 Logic Diagram: Voltage Controlled Overcurrent Protection
Current Protection: Derived Earth Fault (67N, 51N, 50N)
Figure 3-5 Logic Diagram: Derived Directional Earth Fault Element
Time Delayed Derived Earth Fault Protection (51N)
Figure 3-6 Logic Diagram: Derived Instantaneous Earth Fault Element
Figure 3-7 Logic Diagram: Derived Time Delayed Earth Fault Protection
Current Protection: Measured Earth Fault (67G, 51G, 50G)
Figure 3-8 Logic Diagram: Measured Directional Earth Fault Protection
Figure 3-9 Logic Diagram: Measured Instantaneous Earth-Fault Element
Time Delayed Measured Earth Fault Protection (51G)
Figure 3-10 Logic Diagram: Measured Time Delayed Earth Fault Element (51G)
Current Protection: Sensitive Earth Fault (67SEF, 51SEF, 50SEF)
Directional Control of Sensitive Earth Fault Protection (67SEF) - 7SR12
Instantaneous Sensitive Earth Fault Protection (50SEF)
Figure 3-11 Logic Diagram: SEF Directional Element (67SEF)
Figure 3-12 Logic Diagram: 7SR11 SEF Instantaneous Element
Figure 3-13 Logic Diagram: 7SR12 SEF Instantaneous Element
Time Delayed Sensitive Earth Fault Protection (51SEF)
Figure 3-14 Logic Diagram: 7SR11 SEF Time Delayed Element (51SEF)
Figure 3-15 Logic Diagram: 7SR12 SEF Time Delayed Element (51SEF)
Current Protection: High Impedance Restricted Earth Fault - (64H)
Current Protection: Cold Load (51C)
Figure 3-16 Logic Diagram: High Impedance REF (64H)
Current Protection: Negative Phase Sequence Overcurrent - (46NPS)
Figure 3-17 Logic Diagram: Cold Load Settings (51C)
Current Protection: Under-Current (37)
Figure 3-18 Logic Diagram: Negative Phase Sequence Overcurrent (46NPS)
Current Protection: Thermal Overload (49)
Figure 3-19 Logic Diagram: Phase Current Inputs Undercurrent Detector (37)
Figure 3-20 Logic Diagram: Earth Current Inputs Undercurrent Detector (37G)
Figure 3-21 Logic Diagram: Sensitive Earth Current Inputs Undercurrent Detector (37SEF)
Current Protection: Line Check 50LC, 50G LC and 50SEF LC - Only Software Option 'C
Figure 3-22 Logic Diagram: Thermal Overload Protection (49)
Figure 3-23 Logic Diagram: 50G Line Check Elements (50G LC)
Figure 3-24 Logic Diagram: 50SEF Line Check Elements (50SEF LC)
Figure 3-25 Logic Diagram: 50 Line Check Elements (50LC)
Current Protection: Arc Flash Detector (50 AFD)
Figure 3-26 Logic Diagram: Arc Flash Detector (50 AFD)
Voltage Protection: Phase Under/Over Voltage (27/59) - 7SR12
Figure 3-27 Logic Diagram: Under/Over Voltage Elements (27/59)
Voltage Protection: Negative Phase Sequence Overvoltage (47) - 7SR12
Voltage Protection: Neutral Overvoltage (59N) - 7SR12
Figure 3-28 Logic Diagram: NPS Overvoltage Protection (47)
Figure 3-29 Logic Diagram: Neutral Overvoltage Element (59N)
Voltage Protection: Under/Over Frequency (81) - 7SR12
Figure 3-30 Logic Diagram: Under/Over Frequency Detector (81)
Power Protection: Power (32) - 7SR12
Figure 3-31 Logic Diagram: Power Protection (32)
Power Protection: Sensitive Power (32S) - 7SR12
Figure 3-32 Logic Diagram: Sensitive Power Protection (32S)
Power Protection: Power Factor (55) - 7SR12
Figure 3-33 Logic Diagram: Power Factor Protection (55)
Section 4: Control & Logic Functions
Auto-Reclose (79) Optional Function
Overview
Auto Reclose Sequences
Autoreclose Prot'n Menu
Autoreclose Config Menu
Figure 4-1 Typical AR Sequence with 3 Inst and 1 Delayed Trip
P/F Shots Sub-Menu
E/F Shots Sub-Menu
SEF Shots Sub-Menu
Extern Shots Sub-Menu
Figure 4-2 Basic Auto-Reclose Sequence Diagram
Manual CB Control
Circuit Breaker
Figure 4-3 Logic Diagram: Circuit Breaker Status
Quick Logic
Figure 4-4 Sequence Diagram: Quick Logic PU/DO Timers (Counter Reset Mode Off)
Section 5: Supervision Functions
Circuit Breaker Failure (50BF)
Figure 5-1 Logic Diagram: Circuit Breaker Fail Protection (50BF)
VT Supervision (60VTS) - 7SR1205 & 7SR1206
Figure 5-2 Logic Diagram: VT Supervision Function (60VTS)
CT Supervision (60CTS)
60CTS for 7SR12
Figure 5-3 Logic Diagram: CT Supervision Function (60CTS) - 7SR11
Broken Conductor (46BC)
Figure 5-4 Logic Diagram: CT Supervision Function (60CTS) - 7SR12
Figure 5-5 Logic Diagram: Broken Conductor Function (46BC)
Trip/ Close Circuit Supervision (74TCS & 74CCS)
Figure 5-6 Logic Diagram: Trip Circuit Supervision Feature (74TCS)
Figure 5-7 Logic Diagram: Close Circuit Supervision Feature (74CCS)
2Nd Harmonic Block/Inrush Restraint (81HBL2) Phase Elements Only
Figure 5-8 Functional Diagram for Harmonic Block Feature (81HBL2)
Section 6: Other Features
Data Communications
IEC 61850 Communications
Maintenance
Output Matrix Test
CB Counters
I 2 Tcb Wear
General Pickup
Data Storage
General
Demand
Event Records
Waveform Records
Fault Records
Energy Storage - 7SR12
Figure 6-1 Energy Direction Convention
Disk Activity Warning
Metering
Operating Mode
Control Mode
Table 6-1 Operating Mode
Real Time Clock
Time Synchronisation - Data Communication Interface
Time Synchronisation - Binary Input
Settings Groups
Password Feature
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It (and Including
Section 1: Introduction/Section 2: Setting & Configuring the Relay Using Reydisp Evolution
Section 1: Introduction
Relay Menus and Display
Operation Guide
User Interface Operation
Setting Mode
Instruments Mode
Fault Data Mode
Section 2: Setting & Configuring the Relay Using Reydisp Evolution
Physical Connection
Front USB Connection
Rear RS485 Connection
Optional Rear EN100 Ethernet Module (COM3)
Configuring Relay Serial Data Communication
Connecting to the Relay for Setting Via Reydisp
Configuring the User Texts Using Reydisp Language Editor
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It (and Including
Section 1: Common Functions/Section 2: Protection Functions
Section 1: Common Functions
General
CE Conformity
Reference
Dimensions
Weights
Energising Quantities
Auxiliary Power Supply
AC Analogue Current
AC Analogue Voltage
Binary (Digital) Outputs
Binary (Digital) Inputs
Functional Performance
Instrumentation
Real Time Clock
Data Communication Interfaces
USB 2.0 Data Communication Interface
RS485 Data Communication Interface
Fibre Optic Ethernet Data Communication Interface (IEC 61850 Option)
Electrical Ethernet Data Communication Interface (IEC 61850 Option)
Environmental Performance
General
Emissions
Immunity
Mechanical
Section 2: Protection Functions
27/59 Under/Over Voltage
Reference
Operate and Reset Level
Operate and Reset Time
Power
Reference
Operate and Reset Level
Operate and Reset Time
Operate Threshold
Sensitive Power
Reference
Operate and Reset Level
Operate and Reset Time
Operate Threshold
Undercurrent
Reference
Operate and Reset Level
Operate and Reset Time
Negative Phase Sequence Overcurrent
Reference (46DT)
Operate and Reset Level (46DT)
Operate and Reset Time (46DT)
Reference (46IT)
Operate and Reset Level (46IT)
Operate and Reset Time (46IT)
Negative Phase Sequence Voltage
Reference (47)
Operate and Reset Level (47)
Operate and Reset Time (47)
Thermal Overload
Reference
Operate and Reset Level
Operate and Reset Time
Instantaneous Overcurrent
Reference
Operate and Reset Level
Operate and Reset Time
Instantaneous Measured Earth Fault
Reference
Operate and Reset Level
Operate and Reset Time
Instantaneous Derived Earth Fault
Reference
Operate and Reset Level
Operate and Reset Time
50SEF Instantaneous Sensitive Earth Fault
Reference
Operate and Reset Level
Operate and Reset Time
Time Delayed Overcurrent
Reference
Operate and Reset Level
Operate and Reset Time
Time Delayed Measured Earth Fault
Reference
Operate and Reset Level
Operate and Reset Time
Time Delayed Derived Earth Fault
Reference
Operate and Reset Level
Operate and Reset Time
51SEF Time Delayed Sensitive Earth Fault
Reference
Operate and Reset Level
Operate and Reset Time
Voltage Controlled Overcurrent
Reference
Operate and Reset Level
50AFD ARC Flash Detector
Reference
Operate and Reset Level
Operate and Reset Time
Power Factor
Reference
Operate and Reset Level
Operate and Reset Time
Operate Threshold
Neutral Voltage Displacement
Reference (59NDT)
Operate and Reset Level (59NDT)
Operate and Reset Time (59NDT)
Reference (59NIT)
Operate and Reset Level (59NIT)
Restricted Earth Fault Protection
Reference
Operate and Reset Level
Operate and Reset Time
67/67N Directional Overcurrent & Earth Fault
Reference
Operate Angle
Operate Threshold
Operate and Reset Time
Directional SEF - Wattmetric
Reference
Operate and Reset Level
Operate and Reset Time
Under/Over Frequency
Reference
Operate and Reset Level
Operate and Reset Time
Section 3: Supervision Functions
46BC Broken Conductor
Reference
Operate and Reset Level
Operate and Reset Time
50BF Circuit Breaker Fail
Reference
Operate and Reset Level
Operate and Reset Time
60CTS & 60CTS-I Current Transformer Supervision
Reference
Current & Voltage Threshold
Operate and Reset Time
60VTS Voltage Transformer Supervision
Reference
Operate and Reset Level
Operate and Reset Time
74TCS & 74CCS Trip & Close Circuit Supervision
Reference
Operate and Reset Time
81HBL2 Inrush Detector
The Copyright and Other Intellectual Property Rights in this Document, and in any Model or Article Produced from It (and Including
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Figure 1-1 Functional Diagram of 7Sr1101-1_A12-_Ca0 Relay
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Section 1: Introduction/Section 2: Setting & Configuring the Relay Using Reydisp Evolution
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