9 Visualization
Maschinenfabrik Reinhausen GmbH 2020
168
4453918/14 EN
ETOS
®
TD
Parameter
Option
Voltage-transformer circuit
-
Current-transformer circuit
-
Phase angle correction
0°
UI measuring channels
3-phase measurement (channels 1, 2, 3)
Measurement mode
Phase-neutral
Table 50: Circuit 3-B
Only use the circuits 3-C, 3-D and 3-E on symmetrical grids. Otherwise the
device will calculate incorrect performance values.
Circuit 3-C
L1
L2
L3
VT
VT
CT
UI
L1
L2
L3
N
k1
l1 k2
l2 k3
l3
▪ Three-phase voltage measurement, single-phase current measurement.
▪ The voltage transformers are connected between the phases.
▪ The current transformer is connected to phase L1.
If you use this circuit, set the device as follows:
Parameter
Option
Voltage-transformer circuit
-
Current-transformer circuit
-
Phase angle correction
-30°
UI measuring channels
3-ph. voltage, 1-ph. current
Measurement mode
Phase-phase
Table 51: Circuit 3-C
Summary of Contents for ETOS TD
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