7SG11 Argus User Manual
©2013 Siemens Protection Devices Limited
P20006 Page 3 of 37
List of Figures
Figure 1-1
Overcurrent Characteristics ..........................................................................................................7
Figure 2-1
Menu Structure for Argus 1, 2, 4 and 6 Relays ............................................................................13
Figure 4-1
Directional Earth Fault Boundary System Angles.........................................................................23
Figure 4-2
Directional Phase Fault Boundary System Angles .......................................................................23
Figure 4-3
Secondary Injection Test Circuit..................................................................................................33
Figure 4-4
Directional Test Circuit................................................................................................................33
Figure 4-5
Two-out-of-three Directional Test Circuit .....................................................................................33
Figure 4-6
Phase to Earth Primary Injection Test Circuit...............................................................................33
Figure 4-7
Phase to Phase Primary Injection Test Circuit .............................................................................33
Figure 4-8
Resultant Applied Voltages and Currents for a Simulated Earth Fault Condition using
Load Current..............................................................................................................................34
List of Tables
Table 3-1
Wire crimp sizes.........................................................................................................................17
Table 4-1
IDMTL Timing Characteristic (Time in Seconds) ..........................................................................20
Table 4-2
Connections for Directional Polarity.............................................................................................22
Table 4-3
Limits of Operate Pick-up Relay Angle Boundaries ......................................................................23
Table 4-4
Pick-up/Drop-off Results.............................................................................................................28
Table 4-5
Timing Characteristic Results .....................................................................................................28
Table 4-6
Lowset setting results .................................................................................................................28
Table 4-7
Highset 1 setting results .............................................................................................................29
Table 4-8
Highset 2 setting results .............................................................................................................29
Table 4-9
Lowset timing results ..................................................................................................................29
Table 4-10
Highset 1 timing results ..............................................................................................................29
Table 4-11
Highset 2 timing results ..............................................................................................................29
Table 4-12
Pick-up/Drop-off Results for SEF/REF.........................................................................................30
Table 4-13
SEF/REF Timing Results............................................................................................................30
Table 4-14
Pick-up/Drop-off Results for CBF Level Detector .........................................................................30
Table 4-15
Circuit Breaker Fail Timing Results .............................................................................................30
Table 4-16
Directional Boundaries of Operation............................................................................................31
Table 4-17
Auto-reclose Sequences and settings .........................................................................................31
Table 4-18
Primary Injection Results ............................................................................................................32
Table 5-1
Troubleshooting Guide ...............................................................................................................35