P12y/EN FT/D22 Technical Guide
User Guide
Page 66/108 MiCOM P125/P126/P127
4.5.8 Submenu [59] Overvoltage Protection (P127)
PROTECTION G1
Heading of Protection menu.
To gain access to menu, press 2 and 6 until the
submenu is reached.
[59] Phase
Over Voltage
Heading of [59] 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.
U> ?
AND
Selection of the first alarm threshold function for phase
overvoltage (U>). Setting choice: No, AND, OR.
If the user selects AND or OR, the following window is
shown:
If the user selects No, the next windows will show the
threshold menu U>>.
U>
260.0 V
Displays setting value for the alarm threshold.
Input voltage range 57–130V: from 1 to 260V, in steps
of 0.1 V.
Input voltage range 220–480V: from 10 to 960V, in
steps of 0.5 V.
t U>
600.00 s
Displays setting value for the trip threshold.
The setting range is from 0 to 600 s, in steps of 10ms
U>> ?
OR
Selection of the second alarm threshold function for
phase overvoltage (U>>).
Setting choice: No, AND, OR
If the user selects AND or OR, the following window is
shown:
If the user selects No, next window will show the
submenu [59] Phase Over Voltage.
U>>
260.0 V
Displays setting value for the alarm threshold.
Input voltage range 57–130V: from 2 to 260V, in steps
of 0.1 V.
Input voltage range 220–480V: from 10 to 960V, in
steps of 0.5 V.
t U>>
600.00 s
Displays setting value for the trip threshold.
The setting range is from 0 to 600 s, in steps of 10ms
By pushing 2 the next window will display the [59] Phase Over Voltage
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