A Disturbance location
B Meter (B) reports downstream disturbance
C Meter (C) reports upstream disturbance
D Meters (D) report upstream disturbance
E Meter (E) reports downstream disturbance
The arrows show the direction the meters have determined for the disturbance. With this
information, you can determine that the disturbance occurred between meter (B) and meter (C)
and can focus on that section of your system to find the cause of the disturbance.
Disturbance direction detection events
The results of the disturbance direction detection algorithm appear in the meter’s event log.
The image below shows an example of how a Disturbance Direction Detection event appears in
your meter's event log when viewed using ION Setup.
9810 series - User manual Power quality
7EN05-0390-08 208
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