Transient Recorder (Waveform Capture) - GE 845 Instruction Manual

SOFTWARE INTERFACE
Transient Recorder
(Waveform Capture)
3–34
• 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.
• The user can save Configured Trip Times.
• The user can export Configured Trip Times to a CSV file
• The user can load Trip Times from a CSV File
• The screen above shows the model followed by 845 for viewing FlexCurves. Select
Initialize to copy the trip times from the selected curve to the FlexCurve.
The software can be used to capture waveforms (or view trace memory) from the relay at
the instance of a pickup, trip, alarm, or other condition.
• With software running and communications established, select the Records >
Transients > Transient Records menu item to open the Transient Recorder Viewer
window.
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 3: INTERFACES