492 Rockwell Automation Publication 1426-UM001J-EN-P - August 2019
Appendix I EN 61000-4-30 Metering and Aggregation
Rapid Voltage Changes
A rapid voltage change is a fast transition between two steady-state rms voltage
values. In general, the voltage after a rapid voltage change remains within the
voltage dip (sag) and swell thresholds. Rapid voltage changes are recorded in the
Alarm log and the Power Quality log with the date/time stamp of their
occurrence.
Setup
One configuration parameter can be found in the Configuration.PowerQuality
tab.
• Under_Over_Voltage_Deviation_Threshold_% - The percent under
voltage or overvoltage of the mains connection to start recording
deviation. Range: 0…15, default = 5, 0 disables
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