VAMP 257 - Page 129

VAMP Ltd Feeder and motor manager
Technical description
VAMP 257
VM257.EN002 VAMP 24h support phone : +358 (0)20 753 3264
87
The voltage power quality functions are located under the
submenu “U”.
Setting parameters of sags and swells monitoring:
Parameter Value Unit Default Description
U> 20 … 150 % 110 Setting value of swell limit
U< 10 … 120 % 90 Setting value of sag limit
Delay 0.04 … 1.00 s 0.06
Delay for sag and swell
detection
SagOn On; Off - On Sag on event
SagOff On; Off - On Sag off event
SwelOn On; Off - On Swell on event
SwelOf On; Off - On Swell off event
Recorded values of sags and swells monitoring:
Parameter Value Unit Description
Count - Cumulative sag counter
Total - Cumulative sag time counter
Count - Cumulative swell counter
Recorded
values
Total - Cumulative swell time counter
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
Sag/swell
logs 1…4
Max3 %Un
Maximum voltage value during
the sag/swell in the input 3