MR ETOS ED - Page 203

9 Visualization
Maschinenfabrik Reinhausen GmbH 2020 2036385142/08 EN ETOS
®
ED
9.18.2.2 3-phase measurement
Circuit 3-A
L1
L2
L3
VTVT
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
VTVT
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.