Iskra FPC 200 - Page 70

Functionality
70 USER MANUAL FPC 200 - 3/2017
2.6.3.2 Blocking
Two blocking types are included in AR function. Auto-
reclosing function is deactivated when any blocking is
set (Figure 2.45).
2.6.3.2.1 Static blocking
Following conditions block AR function during standby
mode:
 External digital input AR static block is active
 Circuit breaker not in closed position
 Switchgear-related fault
2.6.3.2.2 Dynamic blocking
Following conditions block AR when function is in
progress:
 Manual close or open command is issued
 First time switching the breaker on for the
duration of Manual close block time to avoid
operating in switch-on-fault condition.
 Switchgear-related fault
 External digital input AR dynamic block is
active
2.6.3.3 Setting parameters
Parameter
Range
Description
Enabled
No
Yes
Enabling function.
Reclaim time
0,5 … 3,0 … 300,0 s
Time after the last AR closing without a new Trip. Reclosing is successful when
time elapses.
Maximal dead time
0,00 … 60 s
Number of cycles
0 … 1 … 3
Number of active AR cycles.
1
st
dead time
0,00 … 300,00 s
Dead time of the 1
st
cycle.
2
nd
dead time
0,00 … 300,00 s
Dead time of the 2
nd
cycle.
3
rd
dead time
0,00 … 300,00 s
Dead time of the 3
rd
cycle.
50/51-1
No
Yes
Tripping of this protection will trigger AR cycle
50/51-2
No
Yes
Tripping of this protection will trigger AR cycle
50/51-3
No
Yes
Tripping of this protection will trigger AR cycle
50/51-4
No
Yes
Tripping of this protection will trigger AR cycle
50N/51N-1
No
Yes
Tripping of this protection will trigger AR cycle
50N/51N-2
No
Yes
Tripping of this protection will trigger AR cycle
50N/51N-3
No
Yes
Tripping of this protection will trigger AR cycle
50N/51N-4
No
Yes
Tripping of this protection will trigger AR cycle
Manual Close
No
Yes
Tripping of this protection will trigger AR cycle
Manual close block
time
0,20 … 1,00 … 300,00
s
Time after CB is manually closed when the AR is in the block state.
Input
None
Variable 1
Variable 2
Variable 3
Variable 4
Table 65: Auto-reclosing function parameters.