| 摘要 |
<p>Use of a gaseous medium comprising at least one fluoroketone as electric insulation gas and/or electric arc extinction in electrical device of medium or high voltage substation, is claimed. An independent claim is included for an electrical device of medium or high voltage substation comprising a sealed envelope in which electrical components and a gaseous medium provide electrical insulation and/or extinguishing electric arc within the envelope, where the gaseous medium includes at least one fluoroketone.</p> |
