47 Tab
The 47 tab contains the phase imbalance settings shown in Figure 4-18 and described in the following
paragraphs.
Figure 4-18. Generator Protection Screen, 47 Tab
47 – Pickup. This setting selects the level of voltage imbalance, between generator phases, that will
cause a phase imbalance pickup. A Pickup setting of 5 to 100 Vac may be entered.
47 – Time. This setting selects the length of time between when a phase imbalance is detected and
annunciated. A Time setting of 0 to 30 seconds may be entered.
47 – Alarm Configuration. This setting selects how a phase imbalance condition is annunciated. A phase
imbalance condition can be configured to trigger a pre-alarm, alarm, or no annunciation.
27 Tab
the 27 tab contains the undervoltage settings shown in Figure 4-19 and described in the following
paragraphs.
4-16 DGC-500 BESTCOMS Software 9355400990 Rev H
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