MA-041 – DGA 900 Plus - Installation & Commissioning Manual - Rev 1.1 4-Mar-22 Page 92 of 99
Figure 10-31: PD Alarms Configuration > Primary PDI
10.4.7 PD Average Apparent Charge Measurement
▪ Select BMT > Live Measurement and scroll down to the ‘PD’ section with the
Primary tab active as shown in Figure 10-32. Ensure that:
− Avg Apparent Charge measurement is below 800 pC for each phase. If above 800
pC, the PD Polar Plot Level Alarm must be adjusted.
Figure 10-32: PD > Primary > Avg Apparent Charge
To adjust the Associated Power Measurement alarm:
▪ Select Alarms > PD Alarms Configuration and expand the Primary PD value
alarms as shown in Figure 10-33.
− Adjust the High & High-High limits as required.
Figure 10-33: PD Alarms Configuration > Primary PD value
10.4.8 PD Max Apparent Charge Measurement
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