VAMP 59 - Page 112

3.3 Cold load pick-up and inrush
current detection
3 Supporting functions
Technical description
112
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VM59.EN001
Parameters of the cold load & inrush detection function
Parameter
Value
Unit
Description
Note
ColdLd
-
Start
Trip
Status of cold load detection:
Cold load situation is active
Timeout
Inrush
-
Start
Trip
Status of inrush detection:
Inrush is detected
Timeout
ILmax
A
The supervised value. Max. of
IL1, IL2 and IL3
Pickup
A
Primary scaled pick-up value
Idle
A
Primary scaled upper limit for
idle current
MaxTime
s
Set
Idle
xImode
Current limit setting for idle
situation
Set
Pickup
xImode
Pick-up setting for minimum
start current
Set
80
ms
Maximum transition time for
start recognition
Pickupf2
%
Pick-up value for relative
amount of 2
nd
harmonic, I
f2
/I
f1
Set
Set = An editable parameter (password needed)