6-32
Event Waveform, continued
Event waveform
detail: Sag
Directivity
HDPQ Xplorer firmware is equipped with the algorithm that determines the origin of a
3-phase voltage sag event. The sag origin or directivity can be Upstream or
Downstream from the monitoring point. Direction is displayed in the Event Detail
screen.
NOTE: Any wiring configuration, except 2 1/2 Element, monitoring voltage and
current waveforms will include information on Directivity in the text summary.
Directivity shows the origin of the sag, whether Upstream or Downstream from the
monitoring point if the voltage and current signals are adequate to detect.
HDPQ-646
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