December 2016 29
Why Perform Fault Gas Analysis?
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Why Perform Fault Gas Analysis? Fault Gas Analysis determines the percentage of combustible gasses present in the nitrogen cap of sealed, pressurized oil-filled transformers. This can provide information as to the likelihood of incipient faults…

December 2016 22
When to Conduct Metals-in-Oil Analysis?
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When should Metals-in-oil analysis be conducted? Metals-in-oil analysis should be conducted in large power transformers to determine quantity and type of metals present in the oil. This test can indicate problems with pump bearing wear,…

December 2016 15
Why is Dissolved Gas in Oil Analysis Important?
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Why is Dissolved Gas in Oil Analysis Important? Dissolved Gas in Oil Analysis is a refinement of the Fault Gas Analysis. Dissolved gasses are extracted from an oil sample and analyzed. Different types of faults…