GE P444 User Manual

P
44x/EN ST/Hb6
Setting
(ST) 4
-44 MiCOM P40 Agile
P442, P444
Menu Text Default Setting
Setting Range
Step Size
Min. Max.
CT AND VT RATIOS
Main VT Location Line Line / Bus
The Check Sync VT may be connected to either a phase to phase or phase to neutral
voltage.
Depending on the particular system arrangement, the main three phase VT for the relay
may be located on either the busbar or the line. Therefore, the relay needs to be
programmed with the location of the main voltage transformer.
CT polarity Standard Standard / Inverted
Standard or reverse phase sequence can be selected. This menu sets this phase
sequence.
Measured VN * Disabled Enabled or Disabled
This setting specifies if the neutral voltage is measured or derived from the sum of three
phase voltages. If this setting is set to Enabled, all function related with synchro-check
function become invisible.
Measured IN * Disabled Enabled or Disabled
This setting specifies if the neutral current is measured or derived from the sum of three
phase currents. If this setting is set to Enabled, all function related with Mutual Coupling
become invisible.
3.4 “Record control” column
It is possible to disable the reporting of events from all interfaces that supports setting
changes. The settings that control the various types of events are in the “Record Control”
column. The effect of setting each to disabled is as follows:
This column is visible when the “Record Control” setting (“Configuration” column) = “visible”.
Menu Text Default Setting
Setting Range
Step Size
Min. Max.
RECORD CONTROL
Clear Event No No or Yes
Selecting “Yes” will cause the existing event log to be cleared and an event will be
generated indicating that the events have been erased.
Clear Faults No No or Yes
Selecting “Yes” will cause the existing fault records to be erased from the relay.
Clear Maint. No No or Yes
Selecting “Yes” will cause the existing maintenance records to be erased from the relay.
Alarm Event Enabled Enabled or Disabled
Disabling this setting means that all the occurrences that produce an alarm will result in no
event being generated.
Relay O/P Event Enabled Enabled or Disabled
Disabling this setting means that no event will be generated for any change in logic input
state.
Opto Input Event Enabled Enabled or Disabled
Disabling this setting means that no event will be generated for any change in logic input
state.

GE P444 Specifications

General

Brand	GE
Model	P444
Category	Protection Device
Language	English