Alstom MiCOM P127 - Page 20

P12y/EN FT/D22 Technical Guide
User Guide
Page 18/108 MiCOM P125/P126/P127
Undervoltage protection
TEXT P125 P126 P127 Information
U< X 1
st
alarm threshold undervoltage
tU< X 1
st
trip threshold undervoltage
U<< X 2
nd
alarm threshold undervoltage
tU<< X 2
nd
trip threshold undervoltage
Residual overvoltage protection
TEXT P125 P126 P127 Information
Ue>>>> X X X Alarm threshold residual overvoltage
tUe>>>> X X X Trip threshold residual overvoltage
Broken conductor protection
TEXT P125 P126 P127 Information
Brkn. Cond X X Broken conductor detection trip
CB Fail
TEXT P125 P126 P127 Information
CB Fail X X Circuit breaker failure trip
Logic inputs
TEXT P125 P126 P127 Information
Input1 X X X Copy of the status of logic input no 1
Input2 X X X Copy of the status of logic input no 2
Input3 X X X Copy of the status of logic input no 3
Input4 X X X Copy of the status of logic input no 4
Input5 X X Copy of the status of logic input no 5
Input6 X X Copy of the status of logic input no 6
Input7 X X Copy of the status of logic input no 7
Autoreclose function
TEXT P125 P126 P127 Information
Recloser Run X X Signal that Autoreclose cycle is working
Recl. Blocked X X Signal for Autoreclose cycle end
Auxiliary timers
TEXT P125 P126 P127 Information
tAux1 X X X Copy of the status of logic input delayed by tAux 1
tAux2 X X X Copy of the status of logic input delayed by tAux 2
NOTES : Each parameter can be assigned to one or more LEDs.
One or more parameters (OR logic) can light each LED.