User Documentation

144
Devices – Energy Analyser 550
2008050000/03/02-2018
INFOBEREICH
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This automatic increase of the threshold value switches off within 10 minutes.
• If a transient has been recognised, the wave form will be saved to a transient record.
• If a further transient is recognised within the next 60 seconds, it will be recorded with 512 points.
4.4.3.13 Transients recording
• If a transient has occurred, the wave shape can be saved in a transient record with an adjustable number
of sampled points before and after the transient.
• Thedistancebetweentwosamplepointsisalways50μs.
• You can choose between the following measurement channels for recording in the transient record:
• The phase voltage will be recorded with the transient.
• The phase voltage and current will be recorded with the transient.
• All voltages will be recorded.
• All voltages and all currents will be recorded.
Record length
The number of sample points to be saved before the transient occurred.
4.4.3.14 Averaging intervals
• Parameterisationoftheoatingaverage(previousnamefortrailingvalueindicator)fortheindividual
measurement values.
• The measurement values of the mean values are marked in the device display with an overline.
• The values can also be used for operators or comparators (Jasic).
• The adjustment range of the reporting times of the selected group (L1-L4) is 10, 15, 30, 60 seconds and
5, 8, 10, 15 minutes.
• The settings of different reporting intervals for each individual phase are made on the device.
• IfdifferentreportingintervalshavebeensetviathedevicewithinaL1-L4,thenafterthecongurationhas
been read in, the corresponding group box is marked in red. A reselection of the reporting time followed
by transfer, resets the group (L1-L4) to the selected value.
4.4.3.15 Recording conguration
• Defaultprolescanbeloadedorupto16recordsconguredinrecordingconguration.
• A record can have a maximum of 1000 values.
• A record holds a measurement value or the mean value of the measurement value.
• Mean value records can also include the minimum and the maximum values.
• Mean values, minimum values and maximum values are derived from the measurement values in the
measurement timeframe.