9 Visualization
Maschinenfabrik Reinhausen GmbH 2020
166
4453918/14 EN
ETOS
®
TD
If you use this circuit, set the device as follows:
Parameter
Option
Voltage-transformer circuit
3 Ph differential voltage
Current-transformer circuit
3 Ph phase current
Phase angle correction
30°
Table 47: Circuit 1-E
Circuit 1-F
I
L1
L1
L2
L3
VT
CT
U
L1
I
L1
I
L2
I
L3
U
L3
U
L2
U
L1
U
L1
-U
L2
-U
L2
UI
L
N
k
l
▪ The voltage transformer VT is connected to the phase conductors L1 and
L2.
▪ The current transformer CT is looped into the phase conductor L1.
▪ The current I
L1
lags behind voltage U
L1
-U
L2
by 30°. This corresponds to a
phase shift of +30° and a correction value of -30°.
▪ The voltage drop on a phase conductor is determined by the current I
L1
.
If you use this circuit, set the device as follows:
Parameter
Option
Voltage-transformer circuit
3 Ph differential voltage
Current-transformer circuit
3 Ph phase current
Phase angle correction
-30°
Table 48: Circuit 1-F
Содержание ETOS TD
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