Gaseous insulators for high voltage electrical equipment

Details Gaseous insulators for high voltage electrical equipment Gaseous insulators for high voltage electrical equipment

1979-05-31

1981-03-24

Pitlick, Harris A.

Compositions

Fluent dielectric

Gaseous or gas-containing

174176F, H01B 356

Patent

active

042579058

ABSTRACT:
Gaseous insulators comprise compounds having high attachment cross sections for electrons having energies in the 0-1.3 electron volt range. Multi-component gaseous insulators comprise compounds and mixtures having overall high electron attachment cross sections in the 0-1.3 electron volt range and moderating gases having high cross sections for inelastic interactions with electrons of energies 1-4 electron volts. Suitable electron attachment components include hexafluorobutyne, perfluorobutene-2, perfluorocyclobutane, perfluorodimethylcyclobutane, perfluorocyclohexene, perfluoromethylcyclohexane, hexafluorobutadiene, perfluoroheptene-1 and hexafluoroazomethane. Suitable moderating gases include N.sub.2, CO, CO.sub.2 and H.sub.2. The gaseous insulating mixture can also contain SF.sub.6, perfluoropropane and perfluorobenzene.

REFERENCES:
patent: 4175048 (1979-11-01), Christophorou et al.

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