Autoreclose Inhibit; Figure 157: Reclaim Time Logic - GE MiCOM P40 Agile Technical Manual

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Chapter 13 - Autoreclose
Lockout Reset
Yes
HMI Clear
Reset Lockout
Lockout alarm
CB Closed 3 ph
Reset Lockout by
CB Close
User Interface
Reset Lckout Alm
CB Open 3 ph
Auto close
1
CB Closed 3 ph
&
AR In Progress
tReclaim Extend
On Prot Start
&
No Operation
Main Protection Start
1
SEF Protection Start
DT Complete
Autoreclose Start
Sequence Co -ord
Enabled
Hold Reclaim Output
AR SeqCounter 1
AR SeqCounter 2
AR SeqCounter 3
AR SeqCounter 4
CB Open 3 ph
&
AR Lockout
Reset Total AR
Yes
V00511

Figure 157: Reclaim Time logic

7.8

AUTORECLOSE INHIBIT

To ensure that autoreclosing is not initiated for a manual CB closure on to a pre-existing fault (switch on to fault),
the AR on Man Close setting can be set to Inhibited. With this setting, Autoreclose initiation is inhibited for a period
equal to setting AR Inhibit Time following a manual CB closure. The logic for AR Inhibit is as follows:
300
1
Reset
&
Lockout
&
S
Q
R
&
1
1
&
S
&
Q
R
&
P14x
Successful close
Reclaim In Prog
Reclaim Complete
&
nc
Successful
1
shot Counter
st
Reset
&
nc
Successful
2
shot Counter
nd
Reset
&
nc
Successful
3
shot Counter
rd
Reset
&
nc
Successful
4
shot Counter
th
Reset
nc
Persistant
Faults Counter
Reset
P14xEd1-TM-EN-1

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