Addr. Parameter C Setting Options Default Setting Comments
3905 T1-3pole 0.00 .. 30.00 sec 0.00 sec T1, Delay after 3pole start
(local trip)
3906 T2 0.00 .. 30.00 sec 0.15 sec T2, Delay of 2nd stage
(busbar trip)
3907 T3-BkrDefective 0.00 .. 30.00 sec 0.00 sec T3, Delay for start with
defective bkr.
3908 Trip BkrDefect. NO
with T1-trip
with T2-trip
w/ T1/T2-trip
NO Trip output selection with
defective bkr
3909 Chk BRK CONTACT NO
YES
YES Check Breaker contacts
3912 3I0> BF 1A 0.05 .. 20.00 A 0.10 A Pick-up threshold 3I0>
5A 0.25 .. 100.00 A 0.50 A
3913 T2StartCriteria With exp. of T1
Parallel withT1
Parallel withT1 T2 Start Criteria
3921 End Flt. stage ON
OFF
OFF End fault protection
3922 T-EndFault 0.00 .. 30.00 sec 2.00 sec Trip delay of end fault
protection
3931 PoleDiscrepancy ON
OFF
OFF Pole Discrepancy supervi-
sion
3932 T-PoleDiscrep. 0.00 .. 30.00 sec 2.00 sec Trip delay with pole
discrepancy
Information List
No.
Information Type of
Informa-
tion
Comments
1401 >BF on SP >BF: Switch on breaker fail protection
1402 >BF off SP >BF: Switch off breaker fail protection
1403 >BLOCK BkrFail SP >BLOCK Breaker failure
1404 >BFactivate3I0> SP >BF Activate 3I0> threshold
1415 >BF Start 3pole SP >BF: External start 3pole
1424 >BF STARTonlyT2 SP >BF: Start only delay time T2
1432 >BF release SP >BF: External release
1435 >BF Start L1 SP >BF: External start L1
1436 >BF Start L2 SP >BF: External start L2
1437 >BF Start L3 SP >BF: External start L3
1439 >BF Start w/o I SP >BF: External start 3pole (w/o current)
1440 BkrFailON/offBI IntSP Breaker failure prot. ON/OFF via BI
1451 BkrFail OFF OUT Breaker failure is switched OFF
1452 BkrFail BLOCK OUT Breaker failure is BLOCKED
1453 BkrFail ACTIVE OUT Breaker failure is ACTIVE
1461 BF Start OUT Breaker failure protection started
1466 BreakerFail. L1 OUT Breaker failure L1
1467 BreakerFail. L2 OUT Breaker failure L2
2.6.4
Functions
2.6 Circuit breaker failure protection (optional)
SIPROTEC 4, 7VK61, Manual 129
C53000-G1176-C159-5, Edition 05.2018
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