Data Analysis
COMTRADE Viewer
The COMTRADE Viewer includes a fault data manager and a
graphical analysis interface. The data manager supports the IEEE Standard C37.232-2011 "File Naming Convention for Time
Sequence Data" (COMNAME). The analysis interface supports IEEE Standard C37.111-1991/1999/2013 "Common Format for
Transient Data Exchange" (COMTRADE).
It provides fast sort and query engines, smart copy, move, and
delete methods, and it allows for appending and merging of multiple records. The product is loaded with analysis
features including waveform plots, phasor diagrams, sequence of events reports, harmonic tables, software channels,
circular charts, and is equipped with an array of calculators for calculating frequency, sequence components, and
fault location (both single and double ended algorithms are provided).
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Universal Viewer
The Universal Viewer
is an advanced version of the COMTRADE Viewer. It includes drivers for reading proprietary formats from various
IED producers. It includes a universal converter for converting the proprietary formats to COMTRADE (both ASCII and
Binary formats are supported). It provides macros for creating inputs to short circuit simulation and modeling
applications.
It is also equipped with expert system modules for ranking fault records (based on targets, magnitude,
and duration), and for trending periodic load measurements over long periods of time (based on overload, imbalance,
and efficiency). The product is recognized for its effectiveness in simplifying and expediting the process of fault
and disturbance analysis and was sighted by NERC as being "indispensable" in the blackout investigation of August 14th, 2003.
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