PQube 3 Instruction Manual
Page 86 of 103
100:0.333 * 0.333 = 100A
AUTO for hysteresis defaults to 4% of threshold.
Earth_Current_Inrush_Threshold_In_Amps=
AUTO
Earth_Current_Inrush_Threshold_In_Cycles=
2
Set the inrush threshold here. Your PQube will
record an event when
the increase of current
exceeds the Inrush_Threshold_In_Amps value,
within a period
of the Inrush_Threshold_In_Cycles
or less.
AUTO sets the threshold to your full-scale current.
To determine your full-scale current, multiply your
CT ratio by the full-scale input rating of your
current inputs (0.333V for LOW range, ±10Vpk for
high range).
Example:
CT ratio = 100A:0.333V
Full-scale of current input=0.333V
100:0.333 * 0.333 = 100A
AUTO
Any value greater
than 0 for inrush
threshold in amps.
Any integer
value greater
than 0 for
inrush threshold
in cycles.
[Major_Dip_Events]
Major_Dip_Threshold_Settings=OFF
Major Dips are defined by the selected
depth/duration curve. This is useful for emulating
PSL’s PQ1 Power Quality Relay.
When a dip exceeds the thresholds as specified by
the selected standard, it will be characterized as a
Major Dip.
Major_Dip_Threshold_Level_1_in_Percent=OFF
Major_Dip_Threshold_Level_1_Duration_in_Seconds=0
Major_Dip_Threshold_Level_2_in_Percent=OFF
Major_Dip_Threshold_Level_2_Duration_in_Seconds=0
Major_Dip_Threshold_Level_3_in_Percent=OFF
Major_Dip_Threshold_Level_3_Duration_in_Seconds=0
Major_Dip_Threshold_Level_4_in_Percent=OFF
This configuration is only valid if you set the
Major_Dip_Threshold_Setting to CUSTOM for the user to
create their own custom threshold. Each additional
threshold has to be lower than the previous, and each
duration has to be shorter.
Example of valid Usage:
Major_Dip_Threshold_Level_1_in_Percent=80
Major_Dip_Threshold_Level_1_Duration_in_Seconds=5
Major_Dip_Threshold_Level_2_in_Percent=50
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