- On-line DGA device monitoring all 9 fault gases plus oxygen and moisture. Features load sensor, inputs/outputs, configurable alarms and extensive communications and protocol options.
The TRANSFIX is a 9-gas + moisture on-line transformer DGA monitoring unit. Using specially developed advanced photo-acoustic detection technology, the TRANSFIX measures all significant fault gases (in ppm) as outlined by international standards as well as moisture in oil (%RH & ppm). The measurement of these gases allows the user to detect and diagnose a complete range of transformer faults. The Transfix can be used as part of larger asset monitoring and protection system and coordinated centrally from a control room using GE Perception Fleet software.
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Technical Bulletin #18 has long been available to provide guidance to customers for setting DGA alarms on their multigas online monitors. GE regularly revise this bulletin and have just released version 5. In this release, some of the thresholds have been adjusted following the recent update of the IEEE C57.104 standard, which now gives different gas levels depending on the age and breathing type of the transformer being monitored.
More information and the Technical Bulletin #18 are available for download here:
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