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Description / Abstract:
This guide is intended to apply to silicone-immersed
transformers in which the silicone fluid was the fluid supplied
when the transformer was originally manufactured. This guide also
addresses the following:
- The theory of combustible gas generation in a silicone-filled
transformer
-Recommended procedures for sampling and analysis
- Recommended actions based on the interpretation of results
-A bibliography of related literature
Purpose
The purpose of this guide is to assist the transformer operator
in evaluating dissolved gas analysis (DGA) data obtained for
silicone-filled transformers. Other techniques such as fixed
instruments and gas space analysis may well have utility for
silicone-filled units; however, due to a lack of data at this time,
this guide will focus only on DGA.