What types of contamination affect silicone oil, and how can they be prevented?

Answers

  • October 4, 2024 at 8:27 pm by Sandra Green

    Contaminations include:

    Moisture: Lowers dielectric strength and promotes degradation.
    Particulates: Metal particles, dust, and fibers can cause electrical discharges.
    Gases: Air and other gases reduce insulating properties.
    Acidic Byproducts: Resulting from oxidation, they can corrode transformer components.
    Prevention methods:

    Proper Sealing: Ensuring transformers are sealed to prevent ingress of moisture and air.
    Desiccant Breathers: Using devices that absorb moisture from the air entering the transformer.
    Clean Handling Practices: Maintaining cleanliness during oil sampling and maintenance.
    Regular Monitoring: Early detection of contamination allows for timely corrective action.

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