44x/EN ST/Hb6
-36 MiCOM P40 Agile
Menu text Default setting
Setting range
Step size
Min Max
GROUP 1 – VOLT PROTECTION
V>3 Measur't Mode Phase-Neutral Phase-phase, Phase-neutral
This setting is to select the measurement mode Phase-Phase or Phase-Neutral for stage 3
of the Overvoltage Protection.
V>4 Measur't Mode Phase-Neutral Phase-phase, Phase-neutral
This setting is to select the measurement mode Phase-Phase or Phase-Neutral for stage 4
of the Overvoltage Protection.
2.14 Frequency protection (“Freq protection” menu)
The frequency protection menu contains underfrequency and overfrequency protections,
individually activated when the corresponding status is activated.
2.14.1 Underfrequency protection
Menu text Default setting
Setting range
Step size
Min Max
GROUP 1 – FREQ PROTECTION
UNDERFREQUENCY
F<1 Status Disabled Disabled / Enabled
Setting to enable or disable the first underfrequency element
. The F<1 threshold setting and
time-delay (following submenus) are settable when F<1 status is enabled.
F<1 Setting 49.5Hz 45Hz 65Hz 0.01Hz
Setting that determines the pick-up threshold for the first stage underfrequency element.
F<1 Time delay 4s 0s 100s 0.01s
Setting that determines the minimum operating time-
delay for the first stage underfrequency
element.
F<2 Status Disabled Disabled / Enabled
Setting to enable or disable the second underfrequency threshold (same setting as stage 1).
F<2 Setting 49Hz 45Hz 65Hz 0.01Hz
F<2 Time delay 3s 0s 100s 0.01s
F<3 Status Disabled Disabled / Enabled
Setting to enable or disable the 3
rd
underfrequency threshold (same setting as stage 1).
F<3 Setting 48.5Hz 45Hz 65Hz 0.01Hz
F<3 Time delay 2s 0s 100s 0.01s
F<4 Status Disabled Disabled / Enabled
Setting to enable or disable the 4
th
underfrequency threshold (same setting as stage 1).
F<4 Setting 48Hz 45Hz 65Hz 0.01Hz
F<4 Time delay 1s 0s 100s 0.01s