Technical Guide P12y/EN FT/D22
User Guide
MiCOM P125/P126/P127 Page 63/108
4.5.5.7 Threshold Menu I2>>>
I2>>> ?
Yes
Selection of the third 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
submenu [46] Neg Seq OC.
I2>>>
10.00 In
Displays setting value for the alarm threshold.
The threshold setting range is from 0.5 to 40 In, in
steps of 0.01 In.
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 [46] Neg Seq OC
4.5.6 Submenu [49] Thermal Replica Overload (P126 & P127)
PROTECTION G1
Heading of Protection G1 menu.
To gain access to menu, press 2 and 6 until the
submenu is reached.
[49] Therm OL
Heading of [49] 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.
Therm OL ?
Yes
Selection of the thermal overload alarm function.
Setting choice: No, Yes
If the user selects Yes the following window is shown:
If the user selects No, no new window will be shown.
Iq >
0.50 In
Displays setting value for the alarm threshold.
The threshold setting range is from 0.1 to 3.2 In, in
steps of 0.01 In.
Te
10 mn
Displays the Te thermal constant associated with the
thermal formula.
The Te setting range is from 1 to 200 min, in steps of
1min.
K
1.00
Displays the K factor associated with the thermal
overload function.
The K setting range is from 1 to 1.50, in steps of 0.01.
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