APPARATUS FOR THE GENERATION, THE DISTRIBUTION AND/OR THE USAGE OF ELECTRICAL ENERGY AND COMPONENT FOR SUCH AN APPARATUS

摘要

The present invention relates to an apparatus for the generation, the distribution and/or the usage of electrical energy. The apparatus comprises a housing enclosing an insulating space and an electrically conductive part arranged in the insulating space, said insulating space containing a dielectric insulation medium, at least a portion of which being in the form of an insulation gas comprising an organofluorine compound. According to the invention, at least some of the components of the apparatus that are directly exposed to the insulation gas are made of a material which remains unaltered during exposure to the insulation gas for a period of more than 1 year at operational conditions and/or have a surface, at least a portion of which is devoid of any nucleophilic group reactive towards the organofluorine compound and/or reactive towards any degradation product thereof at operational conditions.

主权项

1. Apparatus for the generation, the distribution and/or the usage of electrical energy, said apparatus comprising a housing enclosing an insulating space and an electrically conductive part arranged in the insulating space, said insulating space containing a dielectric insulation medium, at least a portion of which being in the form of an insulation gas comprising an organofluorine compound, wherein at least some of the components of the apparatus that are directly exposed to the insulation gas are made of a material which remains unaltered during exposure to the insulation gas for a period of more than 5 years at operational conditions and have a surface, at least a portion of which is devoid of any nucleophilic group reactive towards the organofluorine compound and/or reactive towards any degradation product of the organofluorine compound at operational conditions, wherein any compound contained on the surface of the component and forming an integral part of the material and/or any compound bound to the surface is or are devoid of any nucleoohilic group, and the nucleophilic group relates to any chemical group that is able to donate in a chemical reaction an electron pair to an electrophile, with the electrophile being the organofluorine compound or its degradation product(s) and the organofluorine compound being selected from the group consisting of: fluoroethers, fluoroketones, fluoroolefins, fluoronitriles, and mixtures thereof.