7.16.9 Voltage imbalance warning
A warning signal will be given if the voltage imbalance
between the phases is higher than the set warning level.
Check the main voltage.
Voltage imbalance warning is configured with the
following parameters:
Parameter Description Setting range Default value
22.09 Voltage imb level The warning level is specified
in %.
1 ... 100 5
22.10 Voltage imb out Specifies the Event groups this
warning belongs to.
Eventgroup 0 .. 6 4
22.11 Voltage imbalance Enables Voltage imbalance
warning.
Off, On Off
7.16.10 Electronic overload time-to-trip
warning
A warning signal will be given if the predicted time before
EOL trip has fallen below the set warning level.
Electronic overlad time-to-trip warning is configured
with the following parameters:
Parameter Description Setting range Default value
23.01 EOL time-to-trip time Sets how long time before the
EOL protection trips the warning
is activated.
1 ... 1000 s 5 s
23.02 EOL time-to-trip out Specifies the Event groups this
warning belongs to.
Eventgroup 0 ... 6 4
23.03 EOL time-to-trip Enables EOL time to trip
warning.
Off, On Off
7.16.11 Total Harmonic Distortion (THD)
warning
A warning signal will be given if the actual power system
voltage differ from the ideal sine wave. THD has exceeded
the warning level.
Check the quality of the network
.
Total Harmonic distortion (THD) warning is configured
with the following parameters:
Parameter Description Setting range Default value
23.04 THD(U) level Sets the warning level for Total
Harmonic Distortion (U).
1 ... 100 % 10 %
23.05 THD(U) out Specifies the Event groups this
warning belongs to.
Eventgroup 0 ... 6 4
23.06 THD(U) Enables Total Harmonic
Distortion warning.
Off, On Off
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