Alstom MiCOM P125 - Page 64

P12y/EN FT/D22 Technical Guide
User Guide
Page 62/108 MiCOM P125/P126/P127
4.5.5.4 Threshold Menu I2> ANSI/IEEE
Delay Type
ANSI/IEEE
Displays the type of ANSI/IEEE curves for I2> delay
time.
TMS
1.00
Displays the TMS factor associated to ANSI/IEEE family
of curves.
The setting range is from 0.025 to 1.5, in steps of
0.025.
4.5.5.5 Reset Threshold Menu I2> DMT/IDMT IEEE/ANSI
Reset Delay Type
DMT
Displays the reset delay time type for ANSI/IEEE definite
delay time curves.
tReset
0.00 s
Displays setting value for the reset time.
The setting range is from 0 to 100 s, in steps of 10 ms.
By pushing 2 the next window will display the I2>>?
Reset Delay Type
IDMT
Displays the selected reset delay type for ANSI/IEEE
inverse delay time curves.
RTMS
1.000
Displays the RTMS factor associated to IDMT delay type
reset.
The setting range is from 0.025 to 1.5, in steps of
0 025
By pushing 2 the next window will display the I2>>?
4.5.5.6 Threshold Menu I2>>
I2>> ?
Yes
Selection of the second 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
threshold menu I2>>>.
I2>> =
5.00 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 I2>>>?