Siemens SIPROTEC 7ST6, Manual, Page: 139 / 356

2.12 Automatic Reclosure Function
139
7ST6 Manual
E50417-G1176-C251-A3
2.12.3 Settings
Addresses which have an appended "A" can only be changed with DIGSI, under Ad-
ditional Settings.
Addr. Parameter Setting Options Default Setting Comments
3401 AUTO RECLOSE OFF
ON ON Auto-Reclose Function
3402 No.Recl. 1 AR-cycle
2 AR-cycles
3 AR-cycles
4 AR-cycles
5 AR-cycles
6 AR-cycles
7 AR-cycles
8 AR-cycles 1 AR-cycle Maximum Number of Reclosure
Attempts
3405 AR w/ DIST. YES
NO YES AR with Distance Protection
3406 AR w/ HS O/C YES
NO YES AR with HS O/C Protection
3407 AR w/ DTT YES
NO YES AR with direct transfer trip
3411 I LIMIT BLK 1 .. 25 A; 0;
∞
10 A Current Limit for AR Blocking
3412 No.Recl. HS O/C 1 AR-cycle
All AR Cycles 1 AR-cycle No. of Reclosure Attempts HS
O/C Tripped
3413 AR BLK REVERSE YES
NO NO AR Blocking at Faults Reverse Di-
rection
3415 CB? 1.TRIP YES
NO NO CB ready interrogation at 1st trip
3416 T-Start MONITOR 0.01 .. 300.00 sec 0.50 sec AR start-signal monitoring time
3417 CB TIME OUT 0.01 .. 300.00 sec 3.00 sec Circuit Breaker (CB) Supervision
Time
3420 TIME RESTRAINT 0.50 .. 300.00 sec 3.00 sec Auto Reclosing reset time
3421A T-DEAD EXT. 0.50 .. 300.00 sec;
∞ ∞
sec Maximum dead time extension
3423 T-BLOCK MC 0.50 .. 300.00 sec; 0 1.00 sec AR blocking duration after manual
close
3430 1.AR: START YES
NO YES Start of AR allowed in this cycle
3431 1.AR: T-ACTION 0.01 .. 300.00 sec;
∞
0.20 sec Action Time
3432 1st Recl: Tdead 0.01 .. 1800.00 sec;
∞
0.50 sec Dead Time for 1st Reclosure
Cycle
3434 SYN-CHECK YES
NO NO Synchro-Check after Dead Time
3440 2nd Recl:START YES
NO NO Start 2nd Reclosure Cycle Permit-
ted
3441 2-8 Recl:T SI 0.01 .. 300.00 sec;
∞
0.20 sec Seal-In Time for 2nd-8th Reclo-
sure Cycle
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