Technical description
3 Supporting functions
3.3 Voltage sags and swells
VM55.EN005
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89
Recorded values of sags and swells monitoring:
Parameter
Value
Unit
Description
Recorded
values
Count
-
Cumulative sag counter
Total
-
Cumulative sag time
counter
Count
-
Cumulative swell counter
Total
-
Cumulative swell time
counter
Sag/ swell
logs 1…4
Date
-
Date of the sag/swell
Time
-
Time stamp of the sag/swell
Type
-
Voltage inputs that had the
sag/swell
Time
s
Duration of the sag/swell
Min1
%Un
Minimum voltage value
during the sag/swell in the
input 1
Min2
%Un
Minimum voltage value
during the sag/swell in the
input 2
Min3
%Un
Minimum voltage value
during the sag/swell in the
input 3
Ave1
%Un
Average voltage value
during the sag/swell in the
input 1
Ave2
%Un
Average voltage value
during the sag/swell in the
input 2
Ave3
%Un
Average voltage value
during the sag/swell in the
input 3
Max1
%Un
Maximum voltage value
during the sag/swell in the
input 1
Max2
%Un
Maximum voltage value
during the sag/swell in the
input 2
Max3
%Un
Maximum voltage value
during the sag/swell in the
input 3
For details of setting ranges see chapter 9.4.2.
