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Bus bar connection for gas-insulated switchboard device and gas-insulated switchboard device

A busbar connector and switchgear technology, which is applied in the setting of switchgear, installation of switchgear, busbar, etc., can solve problems such as tolerances, achieve low precision, reduce maintenance work, and reduce work effects

Inactive Publication Date: 2010-01-13
AREVA T&D
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This usually mechanically rigid connection solution requires high precision tolerances when positioning the switchgear areas relative to each other

Method used

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  • Bus bar connection for gas-insulated switchboard device and gas-insulated switchboard device
  • Bus bar connection for gas-insulated switchboard device and gas-insulated switchboard device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] In the gas containers of the two switchgear areas F1 and F2 there are busbar ducts SR1 or SR2 which protrude from the container with one end each in a gas-tight manner so that they can be connected to each other via the busbar connector SSK connected. The gas chamber of the switchgear area F1 or F2 has been filled with protective and insulating gas at the factory.

[0021] The busbars SR1 and SR2 are aligned coaxially with one another and their ends each protrude from a feedthrough DF which is sealed with sealing rings OR, here so-called O-rings. All feed-throughs DF are each located on a tank opening BD and are sealed against leakage of insulating gas by means of these sealing rings. A busbar tube SR2 of the second switch cabinet area F2 (right half of the figure) protrudes more from its feed-through than the corresponding counterpart of the first busbar tube SR1. The switchgear areas F1 and F2 are shown to be identical, but different markings indicate that one area ...

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PUM

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Abstract

According to the invention, a bus bar connection (SSK) is used which electrically interconnects the switchboard sections (Fl, F2) by means of at least one electrical connection element (KS), said bus bar connection (SSK) comprising bellows (FB) which can be mounted between the switchboard sections (Fl, F2), can be filled with insulating gas, and surround the electrical coupling element (KS) of the bus bar connection (SSK) in a gas-tight manner. Said measures enable a very flexible contact connection between the switchboard sections (F1, F2), which not only offers a higher degree of tolerance when interconnecting the parts to form a switchboard system, but is also resistant to movements of the switchboard sections (F1, F2) in terms of the gastightness.

Description

technical field [0001] The invention relates to a busbar connector and a gas-insulated switchgear equipped with the busbar connector, especially a gas-insulated medium-voltage device. Background technique [0002] In switchgear installations with gas-insulated switch cabinet areas or similar components connected to one another by busbar connectors, high demands are placed not only on the electrical contacting, but also on the gas seal itself. [0003] Usually, the connection device uses, for example, double-cone plug-in connections, which are designed either as an inner cone or as an outer cone. This concept of a generally mechanically rigid connection requires high-precision tolerances when positioning the switchgear areas relative to one another. And high requirements should be met in terms of coaxiality. The same applies to other variants in which the connection of the switchgear areas takes place via essentially rigid mechanical connections. Furthermore, the gas-tight...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B13/045H02B13/00
CPCH02B13/045H02B13/005H02G5/002
Inventor 蒂里·施特克彼得·利斯特尔
Owner AREVA T&D