2.4 Overvoltage protection U> (59)
2 Protection functions
Technical description
52
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VM55.EN005
For details of setting ranges see chapter 9.3.
Set = An editable parameter (password needed)
C = Can be cleared to zero
F = Editable when force flag is on
Recorded values of the latest eight faults
There are detailed information available of the eight latest
faults: Time stamp, fault voltage, elapsed delay and setting
group.
Recorded values of the overvoltage stages (8 latest faults)
U>, U>>, U>>> (59):
Parameter
Value
Unit Description
yyyy-mm-dd
Time stamp of the recording, date
hh:mm:ss.ms
Time stamp, time of day
Flt
%Un Maximum fault voltage
EDly
%
Elapsed time of the operating time
setting. 100% = trip
SetGrp
1
2
Active setting group during fault
Содержание VAMP 55
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