Abstract:
A switch device comprising a bus bar (10), and a switch knife (9), wherein the knife (9) is arranged so as to pivot around an axis perpendicular to a longitudinal axis of the bus bar (10). The bus bar (10) presents a projection (14) which is an integrated part of the bus bar (10), and the knife (9) is pivotable to a first position, in which it directly contacts said projection (14), and to a second position in which it is removed from contact with said projection (14).
Abstract:
A device for electric connection to an energy supply conductor (101) for medium and/or high voltage, comprising a voltage-carrying element (106) with an outer periphery (108), and a tubular outer shell (104) with an inner periphery (110), the outer shell (104) being formed by a polymer, and along at least a part of the axial extension of the element (106) the outer shell (104) extends axially with a space (124) between its inner periphery (110) and the outer periphery (108) of the element (106), at least along a section of said part of the axial extension of the element (106) the space (124) is filled with a filler (128) of an electrically insulating material other than that of the outer shell (104). The device is characterized in that the outer shell (104) comprises connection means for connecting the outer shell (104) to the element (106), and in that the connection means are adapted to provide a press-fit between the outer shell (104) and the element (106). An electric installation including the device, and a method for producing the device.
Abstract:
A device for electric connection to an energy supply conductor (101) for medium and/or high voltage, comprising a voltage-carrying element (106) with an outer periphery (108), and a tubular outer shell (104) with an inner periphery (110), the outer shell (104) being formed by a polymer, and along at least a part of the axial extension of the element (106) the outer shell (104) extends axially with a space (124) between its inner periphery (110) and the outer periphery (108) of the element (106), at least along a section of said part of the axial extension of the element (106) the space (124) is filled with a filler (128) of an electrically insulating material other than that of the outer shell (104). The device further comprises at least one guiding element (136, 502, 602) for guiding the electric field produced by the voltage-carrying element (106), the guiding element (136, 502, 602) being at least partly conductive, and the guiding element (136, 502, 602) is provided in said space (124). An electric installation including the device, and a method for producing the device.
Abstract:
A method of producing an electric power device comprising a tubular shell (2) of an electrically insulating polymer in which there is provided a screen (12) of an electrically conducting material, wherein said screen (12) is placed in a mould, the mould is filled with a resin, and the resin is permitted to solidify in said mould. The screen (12) is positioned in said mould such that a peripheral surface (13) thereof is in supporting contact with a part of said mould.
Abstract:
The invention relates to a switchgear comprising at least two panels, at least one of which is provided with a switch-disconnector. Each panel encompasses at least one front wall, a rear wall, a bottom wall, a top wall, a wire feed, and busbars which embrace at least one panel. Each panel is configured in a modular fashion and forms a first module. One respective support element to which one respective switch-disconnector can be fixed is fastened between the front wall and the rear wall of each module, said support element being connected in a fixed manner to the front wall and/or the rear wall. The switch-disconnectors and the support element of both modules are located on the same level and are configured in an identical manner.
Abstract:
A switching device (102, 104, 106; 204) for electric power distribution, electrically connectable to an electrical conductor (220), the switching device comprising a breaker (126, 128, 130) electrically connectable to the electrical conductor (220), and an electrically conductive housing (120, 122, 124; 210) to which the breaker is mounted, the switching device providing a current path between the breaker (126, 128, 130) and the electrical conductor (220), and the housing houses at least one guiding member (150, 152) for operating the breaker, the at least one guiding member being movable in relation to the housing, the housing having an outer surface (134; 234), wherein the housing (120, 122, 124; 210) has a smooth outer shape to distribute the electric field generated by the voltage of the current through the switching device (102, 104, 106; 204). A switchgear comprising such a switching device.
Abstract:
A device for electric connection to an energy supply conductor (11) for medium and high voltage, comprising: a voltage-carrying element (2); a tubular outer shell (3) formed by a thermoplastic polymer and connected to the voltage carrying element (2); wherein the voltage-carrying element (2) extends in a longitudinal direction of said tubular shell (3), and wherein, at least along a part of the length of the voltage-carrying element (2), the outer shell (3) extends in said longitudinal direction with a space ( 102) between its inner periphery and an outer periphery of the voltage- carrying element (2); said outer shell (3) being provided with an outer contact surface (101) to be connected to a wall (7) of a gas-tight container somewhere along said part of the length of the voltage-carrying element (2); wherein said outer shell (3) is arranged so as to separate said space (102) from an atmosphere outside a container to which said device may be connected. At least along a section of said part of the length of the voltage-carrying element (2) said space (102) is filled with a filler (103) of an electrically insulating material other than that of the outer shell (3), said filler ( 103) completely filling said space (102) along said section.
Abstract:
Die Erfindung betrifft eine Stromleiter für eine elektrische Einrichtung, insbesondere einen Sammelschienenleiter (10a, 10b, 10c) für eine elektrische Mittelspannungsanlage, mit einem Zentralabschnitt (11 , 30) aus elektrisch leitendem Material für die Stromfortleitung, an dem elektrische Komponenten, beispielsweise Anschlusskontaktstücke, und solche aus isolierendem Material, z.B. Trägerelemente, festlegbar sind, und mit beidseitig an dem Zentralabschnitt (11 , 30) anschließenden und wenigstens diesen überdeckenden feldsteuernden Abschirmabschnitten (19, 20) aus elektrisch leitendem Material, wobei die Abschirmabschnitte (19, 20) auch die eingesetzten elektrischen Komponenten überdecken.
Abstract:
The invention relates to a load disconnecting circuit with a housing that has a first housing section, which houses the drive, and has a second housing section, which houses a fixed contact element and a longitudinally extended moving contact element. The second housing section has a longitudinal extension adapted to the moving contact element. Field-control rings are placed on the second housing section while encircling it, of which the first are arranged in the vicinity of the fixed contact element and the second are arranged in the vicinity of the switch-off position of the moving contact element. Via a respective connection conductor, the first field-control ring is connected to the potential of the fixed contact element, and the second field-control ring is connected to the potential of the moving contact element when in its switch-off position.
Abstract:
Die Erfindung betrifft einen Lasttrennschalter mit einem Gehäuse, das einen den Antrieb aufnehmenden ersten Gehäuseabschnitt und einen ein feststehendes Kontaktstück und ein lang gestrecktes bewegliches Kontaktstück aufnehmenden zweiten Gehäuseabschnitt aufweist, wobei der zweite Gehäuseabschnitt eine dem beweglichen Kontaktstück angepasste Längserstreckung aufweist. Am zweiten Gehäuseabschnitt sind dieses umgebende Feldsteuerringe angebracht, von denen der erste im Bereich des feststehenden Kontaktstückes und der zweite im Bereich der Ausschaltstellung des beweglichen Kontaktstückes angeordnet sind, und dass der erste Feldsteuerring an das Potential des feststehenden Kontaktstückes und der zweite an das Potential des beweglichen Kontaktstückes in dessen Ausschaltstellung über je einen Verbindungsleiter angeschlossen sind.