Siemens SICAM Manual page 72

Connection Diagrams
7.1 Connection Diagrams
[dw_sfcm-fltdtct-ressnt, 2, en_US]
Figure 7-5
In a medium-voltage system, the device is connected to the voltage inputs V
system. The 3 low-power current sensors are connected to I
ground-current sensors. These connection diagrams are used for isolated/resonant-grounded systems and the
I value is calculated.
2
[dw_sfcm-fltdtct-capsnt, 2, en_US]
Figure 7-6
NOTE
i
i
During electrical installation, all the rules and regulations of power systems must be observed.
Low-Voltage (230 V) Measurement
For more information about low-voltage (230 V) measurement, see chapter
ment.
Medium-Voltage/Low-Voltage Measurement
For more information about medium-voltage/low-voltage measurement, see chapter
Medium Voltage via Low-Voltage
72
SICAM FCM as Fault Detector – 3 Low-Power Voltage Sensor with 2 Phase Currents and Sensi-
tive Ground-Current Sensor for MLFB 6MD2321-1AA00-1AA0
SICAM FCM as Fault Detector – 3 Low-Power Voltage Transformer with 2 Phase Currents and
Sensitive Ground-Current Sensor for MLFB 6MD2322-1AA00-1AA0
Measurements.
, V , and V
1 2
, I /I , I with I connected to the sensitive
1 2 N 3 N
4.1.30 Low-Voltage Measure-
4.1.31 Determination of
SICAM, Feeder Condition Monitor, Manual
E50417-H8940-C580-A4, Edition 03.2019
via 4 V to 30 V VDS
3