Abstract:
The present invention relates to an electrical apparatus for generation, transmission, distribution and/or usage of electrical energy, comprising a housing enclosing an electrical apparatus interior space, at least a portion of of which forms at least one insulation space having an electrical component and containing a surrounding insulation medium comprising an amount of carbon dioxide m co2 · The insulation space is formed by at least one insulation space compartment, in which an adsorber for reducing or eliminating the amount of water m H20 and optionally further contaminants from the insulation medium is arranged. The amount of adsorber m ads arranged in the at least one insulation space compartment complies with the formulae (I) and (II).
Abstract:
The present invention relates to a refill-container (10) for replenishing and/or reconditioning an insulation fluid (8) contained in an insulation space (4) of an electrical apparatus (2). At least a portion of the interior of the refill-container (10) defines a refill-fluid containment space (12), in which a refill-fluid (14) comprising an organo-fluorine compound is contained. According to the invention, the refill-container (10) further comprises an opening (18) designed to be brought from a sealed state, in which the refill-fluid (14) is hermetically contained in the refill-containment space (12), to an open state, in which the refill-fluid (14) is allowed to flow through the opening (18) out of the refill-containment space (12) into the insulation space (4).
Abstract:
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.
Abstract:
The present invention relates to an electrical apparatus (2) for the generation, the distribution and/or the usage of electrical energy, the electrical apparatus (2) comprising a housing (4) enclosing an electrical apparatus interior space (5), at least a portion of the electrical apparatus interior space (5) forming an insulation space (6), in which an electrical component (8) is arranged and which contains an insulation medium surrounding the electrical component (8). The electrical apparatus (2) further comprises a contamination-reducing component (10) for reducing or eliminating at least one contaminant from the insulation space (6). According to the invention, the contamination-reducing component (10) is arranged in a contamination-reduction space (12) which is separated from the insulation space (6) by a semipermeable membrane (14).
Abstract:
The present invention relates to a process for providing a contamination-reducing(5)component to an electrical apparatus(1), said electrical apparatus (1) comprising a housing (2) enclosing an insulating space (3) and an electrical component (4) arranged in the insulating space(3), said insulating space (3) comprising an insulation medium which comprises or consists of carbon dioxide. The process comprises the steps of presaturating the contamination reducing component (5) with carbon dioxide before placing it inside the electrical apparatus (1).
Abstract:
The present invention relates to an electrical insulator (2, 2') for an electrical apparatus, said insulator (2, 2') comprising a body (4, 4') containing an electrical insulating solid material (6) and non-solid inclusions (8) dispersed within the body (4, 4'). According to the invention, at least a portion of the inclusions (8) comprise at least one organofluorine compound having a lower Global Warming Potential than SF 6 .
Abstract:
The present invention relates to a device for interrupting non-short circuit currents only, and in particular relates to a disconnector, more particularlyhigh voltage disconnector, or to an earthing switch, more particularly make-proof earthing switch, and further relates to a low voltage circuit breaker. The device comprises at least two contacts (10, 12) movable in relation to each other between a closed state and an open state and defining an arcing region(26),in which an arc (27) is generated during a current interrupting operation and in which an arc-quenching medium (17) comprising an organofluorine compound is present. According to the invention, a counter-arcing component (19) is allocated to the arcing region(26), the counter-arcing component (19) being designed for counteracting the generation of an arc (27) and/or being designed for supporting the extinction of an arc(27).
Abstract:
A method and device for providing an insulation fluid (10) and for filling this insulation fluid (10) into medium-voltage or high-voltage switchgear (1) is provided. The method comprises method elements of mixing at least two fluid components (A,B) for yielding a first amount (M1) of insulation fluid (10), monitoring a first mixing ratio (R1) of this first amount (M1), and monitoring a second mixing ratio (R2) of a second amount (M2) of the insulation fluid (10) that is already in the electrical apparatus (1). The first mixing ratio (R1) is controlled such that no condensation of a fluid component (A,B) takes place. Furthermore, the first mixing ratio (R1) and the first amount (M1) of the insulation fluid are controlled using the second mixing ratio (R2), the second amount (M2), a desired target mixing ratio (R), and a target amount (M) of the insulation fluid.
Abstract:
A method and device for providing an insulation fluid (10) and for filling this insulation fluid (10) into a medium or high voltage switchgear (1) is provided. The method comprises method elements of mixing at least two fluid components (A, B) for yielding a first amount (Ml) of insulation fluid (10), monitoring a first mixing ratio (Rl) of this first amount (Ml), and monitoring a second mixing ratio (R2) of a second amount (M2) of the insulation fluid (10) that is already in the electrical apparatus (1). The first mixing ratio (Rl) is controlled such that no condensation of a fluid component (A, B) takes place. Furthermore, the first mixing ratio (Rl) and the first amount (Ml) of the insulation fluid are controlled using the second mixing ratio (R2), the second amount (M2), a desired target mixing ratio (R), and/or a target amount (M) of the insulation fluid.
Abstract:
The present invention relates to an electrical apparatus for generation, transmission, distribution and/or usage of electrical energy, comprising a housing enclosing an electrical apparatus interior space, at least a portion of of which forms at least one insulation space having an electrical component and containing a surrounding insulation medium comprising an amount of carbon dioxide m co2 · The insulation space is formed by at least one insulation space compartment, in which an adsorber for reducing or eliminating the amount of water m H20 and optionally further contaminants from the insulation medium is arranged. The amount of adsorber m ads arranged in the at least one insulation space compartment complies with the formulae (I) and (II).