Siemens SICAM Manual page 71

3 Low-Power Voltage Sensor, 3 Low-Power Current Sensor
In a medium-voltage system, the device is connected to the voltage inputs V
voltage transformers of 3.25/√3 V or 100/√3 V. The 3 low-power current sensors are connected to the current
inputs I , I , and I
1 2
[dw_sfcm-fltdtct-lopovt, 2, en_US]
Figure 7-3
In a medium-voltage system, the device is connected to the voltage inputs V
VDS system. The 3 low-power current sensors are connected to the current inputs I
tion diagrams are used for a solidly grounded system and the I
[dw_sfcm-fltdtct-nonvt, 2, en_US]
Figure 7-4
3 Low-Power Voltage Sensor, 2 Phase Current, and Sensitive Ground-Current Sensor
In a medium-voltage system, the device is connected to the voltage inputs V
voltage sensors of 3.25/√3 V or 100/√3 V. The 3 low-power current sensors are connected to I
connected to the sensitive ground-current sensors. This scheme is used for isolated/resonant-grounded
systems and the I
SICAM, Feeder Condition Monitor, Manual
E50417-H8940-C580-A4, Edition 03.2019
. This scheme is used for a solidly grounded system and the I
3
SICAM FCM as Fault Detector – 3 Low-Power Voltage Sensors and Current Sensors with 3
Phase Currents for MLFB 6MD2321-1AA00-1AA0
SICAM FCM as Fault Detector – 3 Low-Power Voltage Transformer and Current Transformer
with 3 Phase Currents for MLFB 6MD2322-1AA00-1AA0
value is calculated.
2
7.1 Connection Diagrams
, V , and V via low-power
1 2 3
value is calculated.
N
, V , and V via the 4 V to 30 V
1 2 3
, I , and I
1 2
value is calculated.
N
, V , and V via low-power
1 2 3
Connection Diagrams
. These connec-
3
, I /I , I with I
1 2 N 3 N
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