Dielectric fluid for a compacitor

Details Dielectric fluid for a compacitor Dielectric fluid for a compacitor

1980-02-25

1985-06-04

Willis, Prince E.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

252567, 252578, 252579, 361315, 361319, 361323, 361327, H01G 422

Patent

active

045218269

ABSTRACT:
In a capacitor, a dielectric fluid including 0 to about 10 wt. % of an antioxidant, 0 to about 10 wt. % of an epoxide stabilizer, the remainder essentially a compound with more than two stearate groups. The presently preferred compound of the dielectric fluid is glyceryl tri(acetoxystearate). A primary function of the dielectric fluid is to help prevent air from contacting the capacitor body of the capacitor. The capacitor body includes as its dielectric a plastic film such as polypropylene and the above mentioned dielectric fluid. Air pockets in and around the capacitor body are impregnated with such fluid to minimize disruptive electrical or corona discharges without harmfully swelling the plastic film to thereby improve the operating efficiency of such capacitor.

REFERENCES:
patent: 1952158 (1934-03-01), Clark et al.
patent: 2512886 (1950-06-01), Clark
patent: 2700022 (1955-01-01), Clayton et al.
patent: 3855508 (1974-12-01), Ross et al.
NL Industries, Industrial Chemicals, "Paricin 8", DS-435, N.J.

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