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Pulsing Of The Cb Closing Command - ABB REL650 series Technical Manual

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Section 11
Control
11.3.6.7
384
1PT1
3PT1TO
3PT2TO
OR
3PT3TO
3PT4TO
3PT5TO
SYNC
initiate
CBREADY
Pulse STBRREC (79) (above)
LOGIC
reclosing
TR3P
programs
pickup
initiate
Shot 0
Shot 1
Shot 2
Shot 3
Shot 4
Shot 5
Blocking out
INHIBIT
ANSI10000257 V2 EN
Figure 180:
Reclosing Reset and Inhibit timers

Pulsing of the CB closing command

The duration of the pulse is fixed 200 ms. See figure 181.
When a reclosing command is issued, the appropriate reclosing operation counter is
incremented. There is a counter for each reclosing shot and one for the total number of
reclosing commands issued.
From logic for
reclosing
programs
AND
AND
0-tSync
AND
0
AND
OR
1PT1
3PT1
3PT2
3PT3
3PT4
3PT5
0
OR
0-tInhibit
1MRK 506 335-UUS A
"STBRREC (79) Open time"
timer
3PT1TO
0-t1 3Ph
0
PULSE
AND
Blocking out
AND
OR
STBRREC (79)
State Control
COUNTER
0
CL
1
2
3
0-tReset
R
4
0
5
Reset Timer On
INPROGR
OR
PREP3P
Inhibit (internal)
ANSI17000257-2-en.vsd
Technical manual
Shot 0
Shot 1
Shot 2
Shot 3
Shot 4
Shot 5

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