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GE MiCOM P145 Agile User Manual

GE MiCOM P145 Agile
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V00514
Ext. Trip 3ph
Non Auto mode
Lockout Alarm
1
1
Main Protection Trip
Autoreclose inhibit
SEF Protection Trip
Man Close on Flt
No Lockout
Lockout
Live Line Mode
Trip AR Inactive
No Lockout
Lockout
&
&
1
Protection Lockt
Figure 160: Lockout for protection trip when AR is not available
Note:
Lockout can also be caused by the CB condition monitoring functions in the CB MONITOR SETUP column.
The Reset Lockout input can be used to reset the Autoreclose function following lockout and reset any Autoreclose
alarms, pr
ovided that the signals that initiated the lockout have been removed. Lockout can also be reset from the
clear key or the command Lockout Reset from the CB CONTROL column.
There are two different Reset Lockout by settings. One in the CB CONTROL column and one in the AUTORECLOSE
column.
The Reset Lockout by setting in the CB CONTROL column is used to enable or disable reset of lockout
automatically from a manual close after the manual close time Man Close RstDly.
The Reset Lockout by setting in the AUTORECLOSE column is used to enable/disable the resetting of lockout when
the IED is in the Non-auto operating mode. The reset lockout methods are summarised in the following table:
Reset Lockout Method When Available?
User Interface via the Clear key.
Note: This will also reset all other pr
otection flags
Always
User interface via CB CONTROL command Lockout Reset Always
Opto-input Reset lockout Always
Following a successful manual close if CB CONTROL setting Reset Lockout by is set to
CB Close
Only when set
By selecting Non-Auto mode, provided AUTORECLOSE setting Reset Lockout by is set to
Select NonAuto
Only when set
7.10 SEQUENCE CO-ORDINATION
The Sequence Co-ord
setting in the AUTORECLOSE menu allows sequence co-ordination with other protection
devices, such as downstream pole-mounted reclosers.
The main protection start or SEF protection start signals indicate when fault current is present, advance the
sequence count by one and start the dead time, whether the CB is open or closed. When the dead time is
complete and the protection start inputs are low, the reclaim timer is initiated.
P14x Chapter 13 - Autoreclose
P14xEd1-TM-EN-1 303

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GE MiCOM P145 Agile Specifications

General IconGeneral
BrandGE
ModelMiCOM P145 Agile
CategoryControl Unit
LanguageEnglish

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