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The static contact assembly of the valve hall and the connection fittings between the tubular busbar and the static contact

A tube-shaped busbar and connecting hardware technology, which is applied in the direction of contact electrical connection, contact shell/screen, etc., can solve problems such as unfavorable anti-corona ball assembly, reducing the anti-corona ball anti-corona effect, and increasing the structural complexity of the connecting hardware. , to achieve the effect of reducing the complexity of the structure, good anti-halation effect, and convenient assembly

Active Publication Date: 2017-02-15
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The post insulator acts as a bracket, which supports the anti-halo ball, the busbar fittings, the static contact support frame and the wire fixing fittings. Both the static contact support frame and the wire fixing fittings are supported and fixed by post insulators. The setting of post insulators and the connection structure between post insulators and various components increase the structural complexity of the connecting fittings. Opening one more opening at the bottom of the post insulator will not only increase the difficulty of making the anti-halation ball, but also reduce the anti-corona effect of the anti-halation ball; The complexity of the internal structure of the halo ball is not conducive to the assembly of the halo ball

Method used

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  • The static contact assembly of the valve hall and the connection fittings between the tubular busbar and the static contact
  • The static contact assembly of the valve hall and the connection fittings between the tubular busbar and the static contact
  • The static contact assembly of the valve hall and the connection fittings between the tubular busbar and the static contact

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Embodiment Construction

[0029] The embodiment of the static contact assembly of the valve hall is as follows: Figure 1~12Shown: includes static contact 1, tubular busbar 6 and connecting fittings connecting static contact 1 and tubular busbar 6, connecting fittings include shielding ball 2 with a spherical shell, on the opposite side of the spherical shell A pair of busbar perforations 7 are provided, and the openings of the busbar perforations are turned inward along the inside of the shielding ball. The spherical shell is formed by butting the upper hemisphere 1 and the lower hemisphere 3. Both the upper and lower hemispheres are made of metal materials, preferably aluminum The surfaces of the upper and lower hemispheres are polished. Two of the pair of busbar perforations are respectively arranged on the upper and lower hemispheres. The tubular busbar 6 runs through the busbar throughholes 7 . The connecting ring plate 9 extending circumferentially along the docking interface is provided at the d...

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Abstract

The invention relates to fixed contact assembly of a valve hall and a tubular bus and fixed contact connection fitting thereof. The tubular bus and fixed contact connection fitting comprises a shielding ball which comprises a spherical casing; the casing walls of the opposite sides of the spherical casing are provided with a pair of bus punched holes for a corresponding tubular bus to penetrate; a bus fitting which is used for fixing the spherical casing on the tubular bus is fixedly arranged on the casing wall of the spherical casing and located inside the shielding ball; a contact fitting which is used for installing a corresponding fixed contact is fixedly arranged on the bus fitting and located inside the shielding ball. According to the tubular bus and fixed contact connection fitting and the fixed contact assembly utilizing the same, the structure is simple.

Description

technical field [0001] The invention relates to the assembly of static contacts of valve halls in the field of high-voltage direct current transmission and the fittings for connecting tubular busbars and static contacts. Background technique [0002] At present, my country has become a major DC power transmission country with the most DC projects in operation and under construction, the largest capacity and the longest lines in the world. The converter station is an important part of the DC transmission project. The valve hall of the converter station is a closed space. The valve hall is equipped with important equipment such as valve towers, bushings, and voltage transformers. The conversion of AC and DC is also in the valve hall. Therefore, the phenomenon of corona and radio interference in the valve hall is particularly serious. In order to increase the anti-corona capability of the tubular busbar and the static contact, it is generally necessary to use connecting fittin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H1/58H01H1/64
Inventor 王刚常林晶李俊辉杨国华徐健涛雷咸伦
Owner STATE GRID CORP OF CHINA
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