Functions
2.2 Automatic reclosure function (optional)
SIPROTEC, 7VK61, Manual
C53000-G1176-C159-3, Release date 05.2009
62
„AR is blocked“
(No. 2783)
The automatic reclosure is blocked (e.g. circuit breaker not ready). This information indicates to the operational
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“
(No.
2783) mentioned above there are also obstructions during the course of the auto-reclosure cycles such as
„action time run out“ 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 with starting of the automatic reclosure function, i.e. with the first trip command which
can start the automatic reclosure. If this reclosure was successful (or any in the case of multiple cycles), this
information resets with the expiry of the last blocking 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 three-pole tripping if a synchronism request was parameterised for the corresponding cycle. Re-
closure only takes place when the synchronism check device has provided 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).
2.2.3
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; 0
3.00 sec
Reclaim time after successful AR
cycle
3404
T-BLOCK MC
0.50 .. 300.00 sec; 0
1.00 sec
AR blocking duration after manual
close
3406
EV. FLT. RECOG.
with PICKUP
with TRIP
with TRIP
Evolving fault recognition
Summary of Contents for Siprotec 7VK61
Page 8: ...Preface SIPROTEC 7VK61 Manual C53000 G1176 C159 3 Release date 05 2009 8 ...
Page 14: ...Contents SIPROTEC 7VK61 Manual C53000 G1176 C159 3 Release date 05 2009 14 ...
Page 316: ...Literature SIPROTEC 7VK61 Manual C53000 G1176 C159 3 Release date 05 2009 316 ...
Page 328: ...Glossary SIPROTEC 7VK61 Manual C53000 G1176 C159 3 Release date 05 2009 328 ...