Alstom MiCOM P127 - Submenu Cold Load PU (P126 & P127)

P12y/EN FT/D22 Technical Guide
User Guide
Page 92/108 MiCOM P125/P126/P127
4.6.9 Submenu Cold Load PU (P126 & P127)
The Cold Load PU submenu allows enabling of the cold load pick-up function and
the associated settings.
AUTOMAT. CTRL
Heading of AUTOMAT. CTRL menu.
To gain access to the Cold Load Pick Up submenu,
press 2 and 6 until the submenu is reached.
Cold Load PU
Heading of Cold Load PU 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.
Cold Load PU ?
No
Selection of the cold load pick-up function.
Setting choice: Yes, No
If Yes is selected, the following menu is displayed:
If No is selected, the cold load pick-up function is
inactive.
Cold Load PU
tI>? No
Assigning the first trip threshold for phase OC (tI>) to
cold load pick up function.
Setting choice: Yes, No
Cold Load PU
tI>>? No
Assigning the second trip threshold for phase OC
(tI>>) to cold load pick up function.
Setting choice: Yes, No
Cold Load PU
tI>>>? No
Assigning the third trip threshold for phase OC
(tI>>>) to cold load pick up function.
Setting choice: Yes, No
Cold Load PU
tIe>? No
Assigning the first trip threshold for earth fault
overcurrent (tIe>) to cold load pick up function.
Setting choice: Yes, No
Cold Load PU
tIe>>? No
Assigning the second trip threshold for earth fault
overcurrent (tIe>>) to cold load pick up function.
Setting choice: Yes, No
Cold Load PU
tIe>>>? No
Assigning the third trip threshold for earth fault
overcurrent (tIe>>>) to cold load pick up function.
Setting choice: Yes, No
Cold Load PU
tI2>? No
Assigning the first trip threshold for negative sequence
overcurrent (I2>) to cold load pick up function.
Setting choice: Yes, No