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UMG 511
Differential current measurement
If the current measurement is taken using two cur-
rent converters, the overall translation ratio of the
current converters must be programmed in the
UMG511.
Fig. example of current measurement using a
differential current converter.
Example:
The current measurement takes place using two
current converters. Both current converters have
a translation ratio of 1000/5A. Differential mea-
surement is carried out wth a differential current
converter 5+5/5A.
The UMG511 must then be set as follows:
Primary current: 1000A + 1000A = 2000A
Secondary current: 5A
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