ABB AI625 Analog module industrial system controller

Description

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Voltage interruption is a special case of voltage dip. It provides a second level setting in addition to voltage dip supervision to assist the operator in network analysis.
The interruption threshold and hysteresis voltage settings are a percentage of the system
rated voltage Un.
In single-phase system, when Uint falls below the threshold, an alarm is triggered; when Uint is
equal to or above the dip threshold plus the hysteresis, the alarm is reset.
In three-phase system, when Uint of any phase falls below the threshold, an alarm is triggered;
The alarm is reset when Uint of three-phase are recovered to or above the threshold plus the
hysteresis value, the alarm is reset.
Voltage interruption supervision settings
Value range 0=Disable 1=Enable
Default value 0
Threshold
Value range 95-100 %
Default value 95 %
Step value 1 %
Hysteresis
Value range 0-10 %
Default value 2 %
Step value 1 %