The automatic reclosure is blocked (e.g. circuit breaker not ready). This information indicates to the opera-
tional information system that in the event of an upcoming system fault there will be a final trip, i.e. without
reclosure. If the automatic reclosure has been started, this information does not appear.
AR not ready
(No. 2784)
The automatic reclosure is not ready for reclosure at the moment. In addition to the
AR is blocked
mentioned above (No. 2783)there are also obstructions during the course of the auto-reclosure cycles such as
“action time” elapsed or “last reclaim time running”. This information is particularly helpful during testing
because no protection test cycle with reclosure may be initiated during this state.
AR in progress
(No. 2801)
This information appears following the start of the automatic reclosure function, i.e. with the first trip
command that can start the automatic reclosure function. If this reclosure was successful (or any in the case of
multiple cycles), the information is reset with the expiry of the last reclaim time. If no reclosure was successful
or if reclosure was blocked, it ends with the last – the final – trip command.
AR Sync.Request
(No. 2865)
Measuring request to an external synchronism check device. The information appears at the end of a dead
time subsequent to 3-pole tripping if a synchronism request was parameterized for the corresponding cycle.
Reclosure only takes place when the synchronism check device has provided the release signal
>Sync.release
(No. 2731.
>Sync.release
(No. 2731)
Release of reclosure by an external synchronism check device if this was requested by the output information
AR Sync.Request
(No. 2865).
Settings
Addresses which have an appended “A” can only be changed with DIGSI, under “Additional Settings”.
Addr.
Parameter
Setting Options
Default Setting
Comments
3401
AUTO RECLOSE
OFF
ON
ON
Auto-Reclose function
3402
CB? 1.TRIP
YES
NO
NO
CB ready interrogation at 1st trip
3403
T-RECLAIM
0.50 .. 300.00 sec
3.00 sec
Reclaim time after successful AR
cycle
3403
T-RECLAIM
0.50 .. 300.00 sec
3.00 sec
Reclaim time after successful AR
cycle
3404
T-BLOCK MC
0.50 .. 300.00 sec
1.00 sec
AR blocking duration after manual
close
3406
EV. FLT. RECOG.
with PICKUP
with TRIP
with TRIP
Evolving fault recognition
3407
EV. FLT. MODE
blocks AR
starts 3p AR
starts 3p AR
Evolving fault (during the dead
time)
3408
T-Start MONITOR
0.01 .. 300.00 sec
0.20 sec
AR start-signal monitoring time
3409
CB TIME OUT
0.01 .. 300.00 sec
3.00 sec
Circuit Breaker (CB) Supervision
Time
3410
T RemoteClose
0.00 .. 300.00 sec
2147483647 sec
Send delay for remote close
command
3411A
T-DEAD EXT.
0.50 .. 300.00 sec
2147483647 sec
Maximum dead time extension
3425
AR w/ BackUpO/C
YES
NO
YES
AR with back-up overcurrent
3430
AR TRIP 3pole
YES
NO
YES
3pole TRIP by AR
2.2.3
Functions
2.2 Automatic reclosure function (optional)
64
SIPROTEC 4, 7VK61, Manual
C53000-G1176-C159-5, Edition 05.2018
Содержание SIPROTEC 4 7VK61
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