Overcurrent Elements Page 2 of 7 20120723
Step 1
In ACSELERATOR QuickSet, select Group 1 > Set 1 > Winding 1 Elements.
Figure 1 Phase Time-Overcurrent Element Settings
Step 2
Determine the Winding 1 Max Phase Time Overcurrent Trip Level setting.
51P1P = ________________
The transformer maximum expected load equals
MVA •1000
kV • 3
Set the 51P1 pickup to 150 percent of expected maximum load.
Step 3
Select Group 1 > Set 1 > Neutral 2 Elements.
Figure 2 Neutral Instantaneous Overcurrent Element Settings
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