Siemens 7SG11 Manual page 21

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
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7SG11 Argus User Manual
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