3-Phase Voltage, 2-Phase Current + Sensitive Ground Current - Siemens SICAM A8000 Series Manual

2.8.6.3.2

3-Phase Voltage, 2-Phase Current + Sensitive Ground Current

Through the current inputs I1, I3 the corresponding phase currents are measured, I2/IN is
connected with the sensitive ground current transformer. The value I2 is calculated.
This configuration is used for isolated and resonant grounded networks.
Example: Middle-voltage network
S1
P1
A
L1
L2
L3
N
SICAM A8000 Series, SICAM I/O Modules
DC8-012-2.06, Edition 09.2019
S1 S2
S2
P1 P2
P2
S1 S2
P1 P2
b
a a b a b
B A B A B
CM-8820
AI-8510
AI-8510
CM-8820
Unrestricted
Standard I/O Modules
63