MR MSENSE VAM, Operating Instructions Manual

Page: 88 / 174

8 Operation
Maschinenfabrik Reinhausen GmbH 2021 88 6796573/02 EN MSENSE
®
VAM
Figure 66: VAM analysis
Tap-change operation type
The monitoring system distinguishes between the following types of tap-
change operations:
▪ Change-over selector operation: The change-over selector also changes
in this tap-change operation.
▪ Small tap change: Tap selector operation in which the distance between
the stationary selector contacts used for this tap-change operation is
small.
▪ Moderate tap change: Tap selector operation in which the distance be-
tween the attached selector contacts used for this tap-change operation is
moderate.
▪ Large tap change: Tap selector operation in which the distance between
the attached selector contacts used for this tap-change operation is large.
▪ Reverse tap-change operation: Tap-change operation in which the tap
changes in the opposite direction to the most recent tap-change operation
and does not involve actuation of the selector.
Status information
Color code Definition
Blue No anomalies: Plausibility criteria met and limit values not exceeded
Yellow Limit value was exceeded
Gray The evaluation could not be carried out