CHAPTER 3: INTERFACES SOFTWARE INTERFACE
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL 3–53
FlexCurve Editor The FlexCurve Editor is designed to graphically view and edit the FlexCurve. The FlexCurve
Editor screen is shown as follows for FlexCurves A, B, C, and D:
• The Operate Curves are displayed, which can be edited by dragging the tips of the
curves
• A Base curve can be plotted for reference, to customize the operating curve. The Blue
colored curve in the picture is a reference curve. It can be Extremely Inverse, Definite
Time, etc.
• The Trip (Reset and Operate) Times in the tables and curves work interactively i.e.,
changing the table value affects the curve shape and vice versa.
• Save Configured Trip Times.
• Export Configured Trip Times to a CSV file
• Load Trip Times from a CSV File
• The screen above shows the model followed by 850 for viewing FlexCurves. Select
Initialize to copy the trip times from the selected curve to the FlexCurve.
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