Siemens 7SR224 - 3.5 Broken Conductor (46 BC)

7SR224 Argus Description of Operation
Enabled
Disabled
&
&
&
>
1
60VTS Ext_Trig
&
S
R
Q
>1
60VTS Operated
&
60VTS Inhibit
1 or 2 Phase Fail
V
I
V1
I1
3 Phase Fail
I1
External Trigger
60VTS Ext_Reset
External Reset
60VTS Delay
VL1
VL2
VL3
Phase
Seq.
Filter
IL1
IL2
IL3
Phase
Seq.
Filter
V2
V0
I2
I0
V1
I1
Figure 5.2-1 Logic Diagram: VT Supervision Function (60VTS)
©2010 Siemens Protection Devices Limited Chapter 1 Page 58 of 70