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APPENDIX A
A.1 FREQUENTLY ASKED QUESTIONS
Saving data in the COMTRADE format creates an OSC, HDR, CFG, DAT, ASC, and REP file. The OSC file is
used to playback a waveform to the relay. The HDR file contains the fault report and the settings in the relay at
A
the time of the fault. The CFG file contains the configuration of the data such as sample rate and description of
channels. The DAT file contains the actual oscillography data in a binary format. The ASC file contains the
oscillography data in an ASCII format. The REP file contains instructions on saving the oscillography data.
To view the latest version of this FAQ and other documents, visit the GE Power Management Home page at
www.ge.com/indsys/pm.
GE Power Management
LPS-D Line Protection System
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