Comtrade Viewer
Free power system event record viewer for iOS and Android devices.
Supported Formats
Open individual records or a ZIP archive containing multiple supported record types. When a ZIP file contains more than one record, Comtrade Viewer allows you to select which record to open and view.
Quick Start Video
Learn the basics of loading and viewing COMTRADE, SEL event records, Beckwith OSC records, S&C IntelliRupter records, and PL4 files in just a few minutes.
iOS
Same features as the Android version. Requires iOS 15.0 or later. Supports direct import of all supported file formats.
Android
Same features as the iOS version. Requires Android 7.0 or later and supports direct import of all supported file formats.
What's New
Current releases: iOS 2.2.5 and Android 3.2.5.
Added an incremental quantity based double-ended fault locator using the method described in this paper by Kasztenny and Smelich.
Resources
Download Sample COMTRADE Event
Extract the .cfg and .dat files into your device Downloads folder.
