Mineral insulating oils; functional requirements, specifications and production

@article{Eklund2006MineralIO,
  title={Mineral insulating oils; functional requirements, specifications and production},
  author={Matti Eklund},
  journal={Conference Record of the 2006 IEEE International Symposium on Electrical Insulation},
  year={2006},
  pages={68-72}
}
This paper describes how requirements on transformer oil are reflected by different specified physical and chemical parameters of oil. Impulse breakdown is not included in many specifications but ASTMD3487 does have it. Breakdown behaviour with DC impulses and a heterogeneous gap is very different from the AC breakdown strength. It is designed to simulate lightning pulse striking during a thunderstorm. The result is independent of the contaminants influencing normal breakdown test. A needle and… CONTINUE READING

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Water saturation limit of transformer oils

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References

Publications referenced by this paper.

3487 “Standard Specification for Mineral Insulating Oil Used in Electrical Apparatus

D ASTM
  • ASTM International,
  • 2004
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