Siemens SIPROTEC 4 7VK61 - Page 296

Addr. Parameter Function C Setting Options Default Setting Comments
3771 U1<(<) Voltage Prot. OFF
Alarm Only
ON
U<Alarm U<<Trip
OFF Operating mode U1
undervoltage prot.
3772 U1< Voltage Prot. 1.0 .. 100.0 V 30.0 V U1< Pickup
3773 T U1< Voltage Prot. 0.00 .. 100.00 sec 2.00 sec T U1< Time Delay
3774 U1<< Voltage Prot. 1.0 .. 100.0 V 10.0 V U1<< Pickup
3775 T U1<< Voltage Prot. 0.00 .. 100.00 sec 1.00 sec T U1<< Time Delay
3778 CURR.SUP.U1< Voltage Prot. ON
OFF
ON Current supervision (U1)
3779A U1<(<) RESET Voltage Prot. 1.01 .. 1.20 1.05 U1<(<) Reset ratio
3901 FCT BreakerFail Breaker Failure ON
OFF
ON Breaker Failure Protection
3902 I> BF Breaker Failure 1A 0.05 .. 20.00 A 0.10 A Pick-up threshold I>
5A 0.25 .. 100.00 A 0.50 A
3903 1p-RETRIP (T1) Breaker Failure NO
YES
YES 1pole retrip with stage T1
(local trip)
3904 T1-1pole Breaker Failure 0.00 .. 30.00 sec 0.00 sec T1, Delay after 1pole start
(local trip)
3905 T1-3pole Breaker Failure 0.00 .. 30.00 sec 0.00 sec T1, Delay after 3pole start
(local trip)
3906 T2 Breaker Failure 0.00 .. 30.00 sec 0.15 sec T2, Delay of 2nd stage
(busbar trip)
3907 T3-BkrDefective Breaker Failure 0.00 .. 30.00 sec 0.00 sec T3, Delay for start with
defective bkr.
3908 Trip BkrDefect. Breaker Failure NO
with T1-trip
with T2-trip
w/ T1/T2-trip
NO Trip output selection with
defective bkr
3909 Chk BRK CONTACT Breaker Failure NO
YES
YES Check Breaker contacts
3912 3I0> BF Breaker Failure 1A 0.05 .. 20.00 A 0.10 A Pick-up threshold 3I0>
5A 0.25 .. 100.00 A 0.50 A
3913 T2StartCriteria Breaker Failure With exp. of T1
Parallel withT1
Parallel withT1 T2 Start Criteria
3921 End Flt. stage Breaker Failure ON
OFF
OFF End fault protection
3922 T-EndFault Breaker Failure 0.00 .. 30.00 sec 2.00 sec Trip delay of end fault
protection
3931 PoleDiscrepancy Breaker Failure ON
OFF
OFF Pole Discrepancy supervi-
sion
3932 T-PoleDiscrep. Breaker Failure 0.00 .. 30.00 sec 2.00 sec Trip delay with pole
discrepancy
4001 FCT TripSuperv. TripCirc.Superv ON
OFF
OFF TRIP Circuit Supervision is
4002 No. of BI TripCirc.Superv 1 .. 2 2 Number of Binary Inputs
per trip circuit
4003 Alarm Delay TripCirc.Superv 1 .. 30 sec 2 sec Delay Time for alarm
Functions, Settings, Information
E.2 Settings
296 SIPROTEC 4, 7VK61, Manual
C53000-G1176-C159-5, Edition 05.2018