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Outdoor bushing comprising an integrated disconnecting switch

A technology for outdoor bushings and isolating switches, which is applied to the setting of switchgear, switchgear, electrical components, etc., to achieve the effect of improving compactness

Inactive Publication Date: 2009-04-01
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This known outdoor bushing is only used to connect an air-insulated high-voltage line to components housed in a grounded enclosure, in order to reduce the structural volume of the enclosure, the enclosure is filled with a high-voltage resistant insulating gas

Method used

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  • Outdoor bushing comprising an integrated disconnecting switch
  • Outdoor bushing comprising an integrated disconnecting switch
  • Outdoor bushing comprising an integrated disconnecting switch

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] figure 1 An embodiment of the outdoor bushing 1 according to the invention is shown, which has a hollow-cylindrical insulator 2 with a cavity 3 for accommodating a switch disconnector 4 . The switch disconnector 4 consists of a fixed plug-in contact 5 and a sliding contact 6 which is likewise fixed. The plug-in contact 5 is connected to an outdoor joint 8 through a contact rod 7 . The outdoor connection 8 is arranged on the end side of the insulator 2 and has a sealing cap 9 which is gas-tightly connected to the insulator 2 by means of an adhesive and closes the cavity 3 of the insulator 4 in a gas-tight manner.

[0031]A contact pin 10 is moved and guided in the sliding contact 6. Here, the sliding contact 6 is electrically connected to the plug contact as an internal joint not shown in the figure through a hollow connection conductor 11, so when the contact pin 10 Such as figure 1 After insertion into the plug contact 5 shown, an electrically conductive connection ...

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PUM

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Abstract

The invention relates to an outdoor bushing (1) for connecting an air-insulated high-voltage conductor to components in a grounded housing (18) enclosed by gas, comprising fixing elements (12, 13) for mounting the outdoor bushing (1) on the housing (18) in a gas-tight manner and an open-air connection (8) for connecting the high-voltage conductor, said connection being attached to the fixing elements (12, 13) in a gas-tight manner by means of a hollow insulator (2). In the latter (2), electroconductive connection elements (4, 7, 11) extend between the open-air connection (8) and an internal connection (35) for connecting the components. The aim of the invention is to provide an outdoor bushing of this type, which offers other functions in addition to the connection of an air-insulated high-voltage conductor to the protective-gas insulated atmosphere of a grounded housing, by means of its connection elements. To achieve this, said connection elements comprise a disconnecting switch (4).

Description

technical field [0001] The invention relates to an outdoor bushing for connecting an air-insulated high-voltage line to a component in a gas-enclosed enclosure at ground potential, the outdoor bushing comprising means for gas-tightly connecting the outdoor bushing to the enclosure The fixing device and an outdoor joint for connecting the high-voltage line are airtightly connected to the fixing device through a hollow insulator, wherein the conductive connecting device extends between the outdoor joint and an internal joint for connecting the member in the insulator . Background technique [0002] Such an outdoor bushing is known from DE 10032656 A1. The outdoor bushing known there has a high-voltage connection for receiving an air-insulated high-voltage cable and fastening means for gas-tight mounting of the outdoor bushing on a grounded metal housing. A hollow cylindrical insulator is arranged between the fixing device and the high-voltage joint, along which an electric c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B13/035H02B5/06
CPCH02B5/06
Inventor 曼弗雷德·迈纳兹
Owner SIEMENS AG