Benefits of transformer oil filtration

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Yuneng

Age: 2023
Total Posts: 0
Points: 10

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Insulation properties of the oil are improved
The longer life span of transformers
Lessens transformer’s breakdown
Good returns on investment for having a quality transformer oil filtration machine
Once the insulating oil fails to undergo this process, it can lead to:

Arcing – formation of an electric arc which causes the breakdown of the system
Overheating – oil overheating
Corona discharges – electrical discharge caused by the ionisation of fluid
Insulating strength of the transformer oil will decrease
These properties are to be tested to determine the qualities of the insulating oil:

Dielectric Strength or Breakdown Voltage (BDV)
Water Content
Neutralization Value
Interfacial Tension
Colour and appearance
Test for Oxidation Stability
Specific Resistance (Resistivity)
Flash Point
Pour Point
Viscosity
Sludge Test
Dissolved Gas Analysis (DGA)

Posted 18 Dec 2020

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