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7 Operation
Maschinenfabrik Reinhausen GmbH 2019
124
5163667/06 EN
ETOS
®
IM
Circuit 3-B
▪ Three-phase measurement.
▪ The voltage transformers are connected between the phase and neutral
conductor.
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 29: 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
▪ Three-phase voltage measurement, single-phase current measurement.
▪ The voltage transformers are connected between the phases.
▪ The current transformer is connected to phase L1.
Содержание ETOS IM
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