Siemens SIPROTEC 4 7VK61 - Page 306

Addr. Parameter Function C Setting Options Default Setting Comments
3761 Uph-ph<(<) Voltage Prot. OFF
Alarm Only
ON
U<Alarm U<<Trip
OFF Operating mode Uph-ph
undervoltage prot.
3762 Uph-ph< Voltage Prot. 1.0 .. 175.0 V 50.0 V Uphph<: 5A
3763 T Uph-ph< Voltage Prot. 0.00 .. 100.00 sec 2.00 sec Uphph<: Time delay
3764 Uph-ph<< Voltage Prot. 1.0 .. 175.0 V 17.0 V Uphph<<: 5A
3765 T Uphph<< Voltage Prot. 0.00 .. 100.00 sec 1.00 sec Uphph<<: Time delay
3768 CURR.SUP.Uphph< Voltage Prot. ON
OFF
ON Uphph<(<): Current crite-
rion
3769A Uphph<(<) RESET Voltage Prot. 1.01 .. 1.20 1.05 Uphph<(<): Dropout to
pickup ratio
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 V1<: 5A
3773 T U1< Voltage Prot. 0.00 .. 100.00 sec 2.00 sec V1<: Time delay
3774 U1<< Voltage Prot. 1.0 .. 100.0 V 10.0 V V1<<: 5A
3775 T U1<< Voltage Prot. 0.00 .. 100.00 sec 1.00 sec V1<<: Time delay
3778 CURR.SUP.U1< Voltage Prot. ON
OFF
ON V1<(<): Current criterion
3779A U1<(<) RESET Voltage Prot. 1.01 .. 1.20 1.05 V1<(<): Dropout to
pickup 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 Automatic CB auxiliary
contact evaluation
3912 3I0> BF Breaker Failure 1A 0.05 .. 20.00 A 0.10 A Pick-up value of the 3I0
monitoring
5A 0.25 .. 100.00 A 0.50 A
3913 T2StartCriteria Breaker Failure With exp. of T1
Parallel withT1
Parallel withT1 T2 Start Criteria
Functions, Settings, Information
E.2 Settings
306 SIPROTEC 4, 7VK61, Manual
C53000-G1176-C159-5, Edition 05.2018