Gaseous dielectric mixtures for suppressing carbon formation

Details Gaseous dielectric mixtures for suppressing carbon formation Gaseous dielectric mixtures for suppressing carbon formation

1976-07-28

1978-01-31

Pitlick, Harris A.

Compositions

Electrolytes for electrical devices

174 17GF, 174DIG1, 200148G, 252 65, 252 66, H01B 356

Patent

active

040714616

ABSTRACT:
Carbon formation on voltage breakdown and sparking, and consequent carbon deposits on insulators and other surfaces, is suppressed in dielectric gases of halogenated alkanes by adding SF.sub.6 and/or CO.sub.2 to the halogenated alkane to form a gaseous dielectric mixture. Moreover, certain of the gaseous dielectric mixtures evidence unexpectedly high dielectric breakdown voltages. The gaseous dielectric mixtures are useful in high voltage coaxial lines, in transformers, in minisubstations, and the like.

REFERENCES:
patent: 2173717 (1939-09-01), Hobart
patent: 2957938 (1960-10-01), Camilli et al.
patent: 3059044 (1962-10-01), Friedrich et al.
patent: 3150245 (1964-09-01), Leeds et al.
patent: 3184533 (1965-05-01), Elseman
patent: 3281521 (1966-10-01), Wilson

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