Method and means for cleaning the gas insulated environment of a

Details Method and means for cleaning the gas insulated environment of a Method and means for cleaning the gas insulated environment of a

1979-10-29

1981-07-14

Lacey, David L.

Electricity: conductors and insulators

With fluids or vacuum

With fluid maintenance or conditioning means

55 85, 55120, H01B 1736, B03C 370

Patent

active

042788323

ABSTRACT:
A sealed environment such as in a gas insulated electrical substation is cleaned by introducing a cleansing fluid in vapor form into the environment and condensing the vapor on surfaces within the environment. The condensed fluid is then removed and filtered to extract contaminants such as particulate matter. The cleansing fluid can be continuously introduced or periodically introduced during the cleaning process. By selecting a cleansing fluid with electrical insulating properties and a vaporization temperature lower than the condensation temperature of the gas insulation, electrical apparatus can be cleaned during normal operation of the apparatus.

REFERENCES:
patent: 1938841 (1933-12-01), Koch
patent: 2601298 (1952-06-01), Keith
patent: 2718279 (1955-09-01), Kraus
patent: 4079522 (1978-03-01), Ham
patent: 4149134 (1979-04-01), Kothmann et al.

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