Electrical insulating oil and electrical appliances impregnated

Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor

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174 17LF, 174 25C, 252570, 336 58, 336 94, 361327, 585 63, 585 66, 585 25, 585 26, 585 27, 585435, 585436, H01G 422, H01B 322

Patent

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046213023

ABSTRACT:
An electrical insulating oil which is suitable for use in impregnating electrical appliances such as capacitors, cables and transformers, especially those in which plastic materials are used partially or totally as dielectrics or insulating materials, and electrical appliances that are impregnated with the above electrical insulating oil. The electrical insulating oil of the invention contains at least one monoolefin and/or diolefin having three condensed or non-condensed aromatic rings.

REFERENCES:
patent: 3549537 (1970-12-01), Brewster et al.
patent: 3577476 (1971-05-01), Gurney et al.
patent: 3812407 (1974-05-01), Nose et al.
patent: 3991049 (1976-11-01), Siegrist et al.
patent: 4288837 (1981-09-01), Nishimatsu et al.
patent: 4493943 (1985-01-01), Sato et al.
patent: 4506107 (1985-03-01), Sato et al.

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