Alstom MiCOM P127 - Submenu [46] Negative Phase Sequence Overcurrent (P126 & P127)

P12y/EN FT/D22 Technical Guide
User Guide
Page 60/108 MiCOM P125/P126/P127
tReset
1.00 s
Displays setting value for the reset time.
The setting range is from 0 to 100 s, in steps of 10ms.
Pe> Pe>>
ANGLE 90°
Displays the setting angle for Pe/IeCos. This item is
only activated if at least one of the Pe/IeCos thresholds
is enabled.
The setting range is from 0° to 359°, in steps of 1°.
By pushing 2 the next window will display the [32N] Earth Wattmetric
4.5.5 Submenu [46] Negative Phase Sequence Overcurrent (P126 & P127)
PROTECTION G1
Heading of Protection G1 menu.
To gain access to menu, press 2 and 6 until the
submenu is reached.
[46] Neg Seq OC
Heading of [46] submenu.
To navigate within submenu points, press 8 2. To
modify setting, press 5. Use 8 2 4 6 to scroll and set
available selections. Press 5 to confirm choice.
I2> ?
Yes
Selection of the first alarm threshold function for
Negative Phase Sequence OC (I2>).
Setting choice: No, Yes
If the user selects Yes the following window is shown:
If the user selects No, the next window will show the
hhld 2
I2>
1.00 In
Displays setting value for the alarm threshold.
The threshold setting range is from 0.1to 25 In, in
steps of 0.01 In.
Delay Type
DMT
Displays threshold delay time type. Setting choices are:
DMT for definite delay time, IDMT for Inverse time
curve, RI for the electromechanical inverse time curve.
t I2>
150.00 s
Displays setting value for the trip threshold.
The setting range is from 0 to 150 s, in steps of 10ms.
By pushing 2 the next window will display the I2>>?