Technical Guide P12y/EN FT/D22
User Guide
MiCOM P125/P126/P127 Page 15/108
The following displays and settings are only shown and applicable with the P127
relay.
Line VT primary
0.10 kV
Displays the rated primary voltage of the line VT. The
rated voltage input range is given by relay Cortec
code.
The setting range is from 0.1to1000kV, in steps of
0.01kV.
For the 220-480V model the setting range is from 220
to 480V, in steps of 1V.
Line VT sec
100.0 V
Displays the rated secondary voltage of the line VT. The
rated voltage input range is given by relay Cortec
code.
The setting range is from 57 to 130V, in steps of 0.1V
This window is not available for the 220-480V model.
The following displays are only shown if the connection mode 2Vpp+Vr or 2Vpn+Vr
is selected.
E/Gnd VT primary
0.10 kV
Displays the rated primary voltage of the earth VT. The
rated voltage input range is given by relay Cortec
code.
The setting range is from 0.1 to 1000kV, in steps of
0.01kV.
For the 220-480V model the setting range is from 220
to 480V, in steps of 1V.
E/Gnd VT sec
100.0 V
Displays the rated secondary voltage of the earth VT.
The rated voltage input range is given by relay Cortec
code.
The setting range is from 57 to 130V, in steps of 0.1V.
This window is not available for the 220-480V model.
WARNING: WITH THE P127 RELAY, NOT ALL MEASUREMENTS CAN BE READ IN THE
DIRECT MODE. THESE MEASUREMENTS MUST BE READ IN THE INDIRECT
MODE.
These measurement values are called derived measurements.
They depend on the selected electrical voltage connection mode.
4.2.3 Submenus to Configure LEDs 5 to 8
To gain access to the CONFIGURATION menu from the default display press 2.
Then press 6 until the submenu Led is reached.
To reach the LED configuration submenu press 2 for Led 5. Press 6 to reach Led 6,
again to reach Led 7 and again to reach Led 8.
The following table lists the protection functions that can be assigned to the LEDs (5 to
8) for each MiCOM relay model.
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