Table 147:
Type of reclosing shots at different settings of “ARMode” or integer inputs to
"MODEINT"
MODEINT
(Integer)
ARMode
Type of fault
1st shot
2nd - 5th shot
1
3ph
1ph
3ph
3ph
2ph
3ph
3ph
3ph
3ph
3ph
2
1/2/3ph
1ph
1ph
3ph
2ph
2ph
3ph
3ph
3ph
3ph
3
1/2ph
1ph
1ph
3ph
2ph
2ph
3ph
3ph
-
-
4
1ph+1x2ph
1ph
1ph
3ph
2ph
2ph
-
3ph
-
-
5
1/2ph+1x3ph
1ph
1ph
3ph
2ph
2ph
3ph
3ph
3ph
–
6
1ph+1x2/3ph
1ph
1ph
3ph
2ph
2ph
-
3ph
3ph
-
Auto reclosing shots
GUID-817797BE-FAFC-4BC7-B288-F19416459DCE v1
A maximum of five auto reclosing shots can be selected with the setting
NoOfShots
. Every shot has its own dead time setting.
The first shot differs from the other shots by the possibility to extend its dead time
and to utilize up to four different time settings for it.
For the first shot, there are separate settings for single-, two- and three-phase dead
times,
t1 1Ph
,
t1 2Ph
and
t1 3Ph
. If only the
START
input signal is applied, and an
auto-reclosing program with single-phase reclosing is selected, the auto reclosing
dead time
t1 1Ph
will be used. If one of the
TR2P
or
TR3P
inputs is activated in in
parallel with the
START
input, the auto reclosing dead time for either two-phase or
three-phase auto reclosing is used.
There is also a separate time setting facility for three-phase high-speed auto
reclosing,
t1 3PhHS
. This high-speed auto reclosing is activated by the
STARTHS
input and is used when auto reclosing is done without the requirement of
synchrocheck conditions to be fulfilled. The high-speed dead time shall be set
shorter than normal first shot three-phase dead time. Note that if high-speed three-
phase shot is not successful the auto reclosing sequence will continue with shot
two.
1MRK 505 384-UEN A
Section 9
Control
Breaker protection REQ650 2.2 IEC
251
Technical manual
Summary of Contents for impreza 2017
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