Gaseous insulators for high voltage electrical equipment
Patent
·
OSTI ID:5378111
Gaseous insulators comprise compounds having high attachment cross sections for electrons having energies in the 0 to 1.3 electron volt range. Multi-component gaseous insulators comprise compounds and mixtures having overall high electron attachment cross sections in the 0 to 1.3 electron volt range and moderating gases having high cross sections for inelastic interactions with electrons of energies 1 to 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. 11 claims.
- Assignee:
- Dept. of Energy
- Patent Number(s):
- US 4175048
- OSTI ID:
- 5378111
- Country of Publication:
- United States
- Language:
- English
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