Gas-insulated electric switchboard
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United States of America Patent
Stats
-
Mar 24, 1992
Grant Date -
N/A
app pub date -
Dec 18, 1990
filing date -
Jun 2, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electric switchboard for medium voltages provides for the insulation of the compartments by means of sulfur hexafluoride gas, and each compartment is subdivided into superimposed cells which are metallically separated from one another and are gastight. In the cells auxiliary isolators are also provided for electrically isolating parts of the compartment for the purpose of maintenance without putting the entire switchboard out of action.
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Family
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Cited Art Landscape
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