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Gas insulation opening and closing arrangement

A gas-insulated switch and conductor technology, applied in switchgear, switchgear setting, electrical switches, etc., can solve the problems of taking a long time, unable to easily replace the contact part, etc., and achieve the effect of improving work efficiency

Active Publication Date: 2008-06-25
JAPAN AE POWER SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it takes a long time for inspection or replacement work, and the replacement work of the contact part and the like cannot be easily performed, so it is desired to improve this.
[0008] In addition, although the above-mentioned various structures have been proposed in the means of connecting GIS conductors, if they are used in a GIS structure in which a vertical cut-off portion is provided in the container for inspection or replacement of the vertical cut-off portion , there is a problem that these structures cannot be easily applied to the connection between conductors near the vertical cut-off portion

Method used

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Embodiment Construction

[0016] Next, GIS to which the present invention is applied will be described using an example shown in FIG. 1 . Its general structure includes: a container 1 with a vertical cut-off part 6 inside, a container for busbars (not shown in the figure) installed on one side of the container 1 (left side in Figure 1), installed in two stages The first converter container 2 and the second converter container 3 on the upper and lower parts of the other side of the container 1 (the right side of FIG. 1 ), and the cables installed on the right side of the second converter container 3 Junction box container (not shown). The controller 4 installed in the box of the stand 15 to perform the opening and closing operation of the vertical cut-off portion 6 is installed on the lower side of the container 1 .

[0017] Generally, the flanges 22 installed around the opening of the container by welding are fixedly connected to each other by bolts, so that the container 1 , the first converter conta...

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Abstract

The present invention relates to gas insulated switchgear equipped with vertical shutoff device in order to easily switch the check point and junction of the vertical shutoff device.

Description

technical field [0001] The present invention relates to a gas-insulated switchgear, in particular to a gas-insulated switchgear suitable for use in the field of power transformation of a power system for regular maintenance and overhaul. Background technique [0002] Generally, the gas insulated switchgear (hereinafter referred to as "GIS") adopts the following structure: it is filled with sulfur hexafluoride gas (SF 6 ) and other insulating gases, there are electrical devices and conductors such as stoppers, circuit breakers, and converters; the current supplied from the bus side is delivered to the load side through the conductors and various electrical devices. [0003] The electrical devices that make up the GIS, especially the cut-off device, is an electrical device that cuts off the current instantaneously when an excessive current flows through the circuit. As known, the cut-off device is provided with a cut-off portion composed of a fixed contact piece and a movable...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B13/035
CPCH01H33/02H02B13/0356H02B13/0358
Inventor 林勇佑八重樫昌弘
Owner JAPAN AE POWER SYST