Iskra FPC 200 - Page 31

Functionality
USER MANUAL FPC 200 - 3/2017 31
2.2.6.3 Setting parameters
Parameter
Range
Description
Enabled
No
Yes
Enabling of function.
Inrush pickup
1 … 15 … 70 %
Higher 2
nd
harmonic current limit in comparison to fundamental current, above
which the detection of inrush current is enabled.
Dropout delay
0 … 0,20 … 10 s
Max time
0 … 5,00 … 60 s
Max current
0,30 … 7,50 … 30,00 I
n_obj
Maximum value of fundamental current above which the protection is disabled.
Table 17: Inrush restraint function parameters.
2.2.6.4 Predefined values
Constant
Value
Description
Inrush drop-out delay
0,20 s
Time stabilization of pickup signal. Predefined time when the monitored
harmonic component value is outside the operating range, but the protection
does not stop yet.
Max inrush time
5,00 s
Predefined time when inrush restraint function is disabled.
Table 18: Inrush restraint predefined values.
2.2.6.5 Counters
Name
Description
Inrush counter
Total consecutive number of detected inrush signals.
Table 19: counter presented in inrush restraint function.