Siemens SIPROTEC 7ST6, Manual, Page: 318 / 356

A Appendix
318
7ST6 Manual
E50417-G1176-C251-A3
2705 I Emerg. O/C Emerg. O/C 1A 0.10 .. 25.00 A;
∞
2.00 A Emergency O/C Pickup Current
5A 0.50 .. 125.00 A;
∞
10.00 A
2706 T Emerg. O/C Emerg. O/C 0.00 .. 30.00 sec;
∞
0.30 sec Emergency O/C Delay Time
2901 MEASURE. SUPERV Monitoring With FFM
Without FFM
OFF With FFM Measurement Supervision
2921 I> CB Trip Superv 1A 0.05 .. 0.50 A 0.10 A Pickup Current Trip Supervision
5A 0.25 .. 2.50 A 0.50 A
2922 T I> CB MAX Trip Superv 1 .. 200 sec 30 sec Maximum Duration of Trip Super-
vision
3401 AUTO RECLOSE Auto Reclose OFF
ON ON Auto-Reclose Function
3402 No.Recl. Auto Reclose 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. Auto Reclose YES
NO YES AR with Distance Protection
3406 AR w/ HS O/C Auto Reclose YES
NO YES AR with HS O/C Protection
3407 AR w/ DTT Auto Reclose YES
NO YES AR with direct transfer trip
3411 I LIMIT BLK Auto Reclose 1 .. 25 A; 0;
∞
10 A Current Limit for AR Blocking
3412 No.Recl. HS O/C Auto Reclose 1 AR-cycle
All AR Cycles 1 AR-cycle No. of Reclosure Attempts HS
O/C Tripped
3413 AR BLK REVERSE Auto Reclose YES
NO NO AR Blocking at Faults Reverse
Direction
3415 CB? 1.TRIP Auto Reclose YES
NO NO CB ready interrogation at 1st trip
3416 T-Start MONITOR Auto Reclose 0.01 .. 300.00 sec 0.50 sec AR start-signal monitoring time
3417 CB TIME OUT Auto Reclose 0.01 .. 300.00 sec 3.00 sec Circuit Breaker (CB) Supervision
Time
3420 TIME RESTRAINT Auto Reclose 0.50 .. 300.00 sec 3.00 sec Auto Reclosing reset time
3421A T-DEAD EXT. Auto Reclose 0.50 .. 300.00 sec;
∞ ∞
sec Maximum dead time extension
3423 T-BLOCK MC Auto Reclose 0.50 .. 300.00 sec; 0 1.00 sec AR blocking duration after
manual close
3430 1.AR: START Auto Reclose YES
NO YES Start of AR allowed in this cycle
3431 1.AR: T-ACTION Auto Reclose 0.01 .. 300.00 sec;
∞
0.20 sec Action Time
3432 1st Recl: Tdead Auto Reclose 0.01 .. 1800.00 sec;
∞
0.50 sec Dead Time for 1st Reclosure
Cycle
3434 SYN-CHECK Auto Reclose YES
NO NO Synchro-Check after Dead Time
3440 2nd Recl:START Auto Reclose YES
NO NO Start 2nd Reclosure Cycle Per-
mitted
3441 2-8 Recl:T SI Auto Reclose 0.01 .. 300.00 sec;
∞
0.20 sec Seal-In Time for 2nd-8th Reclo-
sure Cycle
3442 2-8 Recl:Tdead Auto Reclose 0.01 .. 1800.00 sec;
∞
0.50 sec Dead Time for 2nd to 8th Reclo-
sure Cycle
3450 AUTO-TH-AR Auto Reclose ON
OFF ON Automatic Reclosure after
Thermal Trip
3451 No. of TH-AR Auto Reclose 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 Max. Number Automatic Reclo-
sure Attempts
3455 TInhibit TH Auto Reclose 0.50 .. 300.00 sec 3.00 sec Inhibit Time after Reclosure
3456 Tdead TH MAX Auto Reclose 1 .. 60 min;
∞
30 min Maximum Duration of Dead Time
Addr. Parameter Function C Setting Options Default Setting Comments
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