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62 SR3 20 signal relay 3 indication 20

63 Marsh LED – marshalling LED’s

63 Marsh LED 1 – marshalling LED 1

63 LED1 1 LED 1 indication 1

63 LED1 2 LED 1 indication 2

63 LED1 3 LED 1 indication 3

63 LED1 4 LED 1 indication 4

63 LED1 5 LED 1 indication 5

63 LED1 6 LED 1 indication 6

63 LED1 7 LED 1 indication 7

63 LED1 8 LED 1 indication 8

63 LED1 9 LED 1 indication 9

63 LE1 10 LED 1 indication 10

63 LE1 11 LED 1 indication 11

63 LE1 12 LED 1 indication 12

63 LE1 13 LED 1 indication 13

Table of Contents7
Figure 1.1 Line Differential Protection 7SD600 for Operation with Two Pilot Wires, Block Diagram14
Introduction14
Application14
Features15
Functional Scope16
Design18
Models18
Dimensions19
Figure 2.1 Dimensioned Drawing of 7XP20 for Panel Surface Mounting with Terminals on the Sides (Dimensions in MM)19
Figure 2.2 Dimensioned Drawing of 7XP20 for Panel Surface Mounting with Terminals at Top and Bottom20
Figure 2.3 Dimensioned Drawing of 7XP20 for Panel Flush Mounting or Cubicle Mounting (Dimensions in MM)21
Summation Transformer 4AM493022
Figure 2.4 Dimensioned Drawing of the 4AM493022
Order Data23
Table 2.1 Selection and Order Data23
Technical Data24
Table 3.1 General Device Data24
Table 3.2 Mechanical Details25
Standards and Directives26
Table 3.3 Electrical Tests26
Operating Conditions28
Line Differential Protection29
Figure 3.1 Stabilization Characteristic of the Differential Protection (Shown for Pre-Settings)30
Remote Tripping31
Lockout Function31
Additional Functions31
Table 3.7 Remote Tripping31
Table 3.9 Additional Functions31
Table 3.8 Lockout Function31
Summation Transformer 4AM493032
Table 3.11 Summation Transformer 4AM493032
Figure 3.2 Summation Transformer 4AM493032
Method of Operation34
Overall Function34
Figure 4.1 Hardware Structure of the Line Differential Protection 7SD60034
Table 4.1 Types of Faults and Winding Factors for Standard Connection L1-L3-E36
Summation Transformer 4AM493036
Figure 4.2 Standard Connection of Summation Transformer 4AM493036
Line Differential Protection38
Principle of Differential Protection38
Stabilized Differential Protection38
Figure 4.4 Basic Principle of Differential Protection38
Formation of Measured Values for Line Differential Protection with Two Pilot Wires39
Figure 4.5 Differential Protection with Two Pilot Wires - Flow Chart39
Measured Value Processing40
Figure 4.6 Stabilization Characteristic of the Differential Protection40
Additional Stabilization in the Case of Current Transformer Saturation41
Local Current Threshold41
In-Rush Stabilization with Second Harmonic41
Starting, Blocking and Tripping Logic42
Figure 4.7 Simplified Logic Diagram of the Differential Protection43
Pilot Wire Monitoring (Optional), Transfer Tripping, Remote Tripping44
Pilot Wire Monitoring44
Remote Tripping45
Transfer Tripping45
Figure 4.8 Coupling of Pilot Wire Monitoring45
Figure 4.9 Logic Diagram of the Functions Related to the Pilot Wire Monitoring47
Additional Functions48
Processing of Events48
Display and Binary Outputs (Signal Relay)48
Information Via Display Panel or PC48
Monitoring Functions49
Hardware Monitoring49
Measurement of Operational Values49
State Interrogation49
Disturbance Recording49
Software Monitoring50
Preparation Instructions52
Packing and Unpacking the Device52
Model 7SD600K-KEKKK for Panel Flush Mounting or Cubicle Mounting53
Checking the Specified Ratings53
Preparing for Operation53
Models 7SD600K-KBKKK and -KDKKK for Panel Surface Mounting53
Assembly and Connection53
Auxiliary Supply54
Control Voltage for Binary Input54
Figure 5.1 Check Set Nominal Voltage of the Integrated Power Supply55
Figure 5.2 Check of Selected Control Voltages of Binary Inputs 1 to 3 on the P.C.b56
Standard Connection L1-L3-E57
Connection Circuits57
Checking the Connections57
Connection for Reduced Earth-Fault Sensitivity58
Connection for Increased Earth-Fault Sensitivity L1 - L3 - E58
Figure 5.3 Standard Connection L1-L3-E58
Figure 5.4 Connection L1-L2-L3 with Reduced Earth-Fault Sensitivity58
Figure 5.5 Connection L1-L3-E with Increased Earth-Fault Sensitivity58
Different Primary Nominal Currents59
Two-Phase Connection59
Figure 5.6 Matching Unequal Primary Currents59
Figure 5.7 Two-Phase Connection L1 - L359
Demands on the Current Transformer60
Demands on the Pilot Wires60
Figure 5.8 Connection of Isolating Transformer 7XR951361
Setting the Operator and Memory Functions62
Operating Conditions and General Information62
Figure 5.9 Excerpt from the Menu Tree: Selection of Configuration Blocks64
Settings for Integrated Operation - Block 7165
Settings for the Serial Interface - Block 7266
Settings for Fault Detection - Block 7468
Configuring the Protective Functions69
- Introduction69
- Figure 5.10Excerpt from the Menu Tree: Selecting Configuration Block for the Protective Functions69
- Configuring the Functional Scope of the Device - Block 0070
Marshalling of Binary Inputs, Binary Outputs and Displays71
- Introduction71
- Figure 5.11Excerpt from the Menu Tree: Example for Selecting Marshalling of Binary Inputs72
- Marshalling of the Binary Inputs - Block 6173
- Table 5.1 Marshallable Binary Input Functions74
- Marshalling of Signal Relay - Block 6275
- Table 5.2 Factory Set Binary Inputs75
- Marshalling of the Leds - Block 6377
- Table 5.3 Marshallable Binary Output Functions77
- Table 5.4 Factory Set Indications on Signal Relay77
- Table 5.5 Factory Set Leds78
- Marshalling of the Command Relays - Block 6479
- Table 5.6 Factory Set Command Functions80
- Operating Instructions82
Safety Measures82
Operating the Device82
- Membrane Keypad/Display Panel82
- Operation with a PC83
- Prerequisites for Operation83
- Front View of the Device84
- Figure 6.1 Front View of 7SD600 with Control Panel and Displays84
Setting of Function Parameters85
- Introduction85
Procedure for Parameterization85
Figure 6.2 Selection of Parameters for the System and Station Data85
Setting Date and Time87
- Initial Display88
- System and Station Data - Block 0189
- Settings for the Line Differential Protection91
- Figure 6.3 Trip Characteristic of the 7SD60092
- Settings for the Pilot Wire Monitoring95
- Settings for the Remote Tripping96
- Settings for Tripping on Receiving Remote Command97
Events (Alarms)98
- Introduction98
- Figure 6.4 Selection of the Event Blocks99
- Figure 6.5 Example for Displaying Events in the Display99
- Operational Events - Block 81100
- Fault Events - Block 82103
- Reading out Operational Measured Values - Block 84106
Operational Control Capabilities107
- Setting Date and Time107
General109
Testing and Commissioning109
Checking the Line Differential Protection110
Table 6.1 Current Factors for Summation Transformers110
Commissioning with Primary Measured Signals112
Checking the Switching States of the Binary Inputs/Outputs112
Measuring and Setting the Pilot Wire Resistance115
Checking the Current Transformer Termination117
Table 6.2 Measured Currents with Incorrect CT Connection117
Trip Test with the Circuit-Breaker118
Figure 6.6 Checking the Earth Current Path118
Checking the Direct and Remote Tripping (if Available)120
Resetting the Lockout State120
Putting the Protection into Service121
Maintenance and Troubleshooting124
Routine Checks124
Troubleshooting125
Changing the Fuse125
Repairs128
Storage130
Figure A1 Standard Connection L1-L3-E, Suitable for All Networks133
Connection Diagrams133
Figure A1 Connection L1-L2-L3 with Reduced Earth-Fault Sensitivity, Preferable for Effectively Earthed Networks with Particularly Low Zero Sequence Impedance134
Figure A1 Connection L1-L3-E with Increased Earth-Fault Sensitivity, Preferable for Low Resistance Earthed Networks135
Figure A1 Adaptation of Unequal Primary Currents, Example with Standard Connection L1-L3-E136
Figure A1 Connection to Two Current Transformers L1-L3, Only for Insulated or Resonant-Earthed Networks137
Figure A1 Connection Example for Two Isolating Transformers 7XR9513137
Menu Tree, Tables138
Table A.9.1 Pick-Up Time of the Saturation Detector Depending on the Maximum through Fault Current163
Relative to the Rated Line Current163
Detailed Calculation of the Current Transformer Requirements163

Brand	Siemens
Model	Siprotec 7SD600
Category	Protection Device
Language	English

Siemens Siprotec 7SD600 User Manual

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