9 Visualization
Maschinenfabrik Reinhausen GmbH 2020
203
6385142/08 EN
ETOS
®
ED
9.18.2.2 3-phase measurement
Circuit 3-A
L1
L2
L3
VT
VT
VT
CT
CT
CT
UI
L1
L2
L3
N
k1
l1 k2
l2 k3
l3
▪ Three-phase measurement.
▪ The voltage transformers are connected between the phases.
▪ The current lags behind the voltage by 30°.
If you use this circuit, set the device as follows:
Parameters
Option
Voltage-transformer circuit
-
Current-transformer circuit
-
Phase angle correction
0°
UI measuring channels
3-phase measurement (channels 1, 2, 3)
Measurement mode
Phase-phase
Table 55: Circuit 3-A
Circuit 3-B
L1
L2
L3
N
UI
VT
VT
VT
CT
CT
CT
L1
L2
L3
N
k1
l1 k2
l2 k3
l3
▪ Three-phase measurement.
▪ The voltage transformers are connected between the phase and neutral
conductor.