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Tubular bus-bar corner support over-current fitting for flexible DC transmission engineering converter stations

A flexible DC power transmission and converter station technology, which is used in electrical components, busbar installation, cable installation, etc.

Pending Publication Date: 2018-04-24
STATE GRID CORP OF CHINA +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above problems, the purpose of the present invention is to provide a tube bus corner support overcurrent fitting for converter stations of flexible DC power transmission projects that can solve the problems of tube bus corner support, overcurrent and anti-coronavirus in ±320kV converter stations

Method used

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  • Tubular bus-bar corner support over-current fitting for flexible DC transmission engineering converter stations
  • Tubular bus-bar corner support over-current fitting for flexible DC transmission engineering converter stations
  • Tubular bus-bar corner support over-current fitting for flexible DC transmission engineering converter stations

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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] Such as figure 1 , figure 2 As shown, the present invention proposes a pipe nut corner support overcurrent fitting for a converter station of a flexible direct current transmission project, which includes an overcurrent fitting assembly 1 and a pipe nut corner support assembly 2 .

[0017] Such as image 3 , Figure 4 As shown, the overcurrent fitting assembly 1 includes two pipe female overcurrent fitting bodies 3, and the two pipe female overcurrent fitting bodies 3 are respectively sleeved on the pipe busbar 4 and the pipe busbar 5 which are in a perpendicular relationship with each other and are tightened by fastening bolts. 6. Install and fix. Two pure aluminum stranded wires 7 are connected between the two tube busbars 4 and 5. All parts are welded with the pipe mother overcurrent fitting body 3.

[0018] Such as Figure 5 , Fig...

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Abstract

The invention relates to a tubular bus-bar corner support over-current fitting for flexible DC transmission engineering converter stations. The tubular bus-bar corner support over-current fitting is characterized in that the tubular bus-bar corner support over-current fitting includes an over-current fitting component and a tubular bus-bar corner support component; the over-current fitting component includes two tubular bus-bar over-current fitting bodies which respectively sleeve a first tubular bus-bar and a second tubular bus-bar perpendicular to each other and are installed and fixed by fastening bolts; two pure aluminum strands are connected between the two tubular bus-bar over-current fitting bodies, the two pure aluminum strands are distributed in parallel on the two sides of the first tubular bus-bar and the second tubular bus-bar, and the ends of each pure aluminum strand are welded to the tubular bus-bar over-current fitting bodies; and the tubular bus-bar corner support component includes a support mounting plate, two tubular bus-bar support fitting bodies are fixedly connected to the same side of the support mounting plate, the two tubular bus-bar support fitting bodiesrespectively sleeve the first tubular bus-bar and the second tubular bus-bar and are installed and fixed by fastening bolts, and the other side of the support mounting plate is connected with a flange on a post insulator by bolts.

Description

technical field [0001] The invention relates to a pipe nut corner supporting over-current fitting for a converter station of a flexible DC power transmission project, and belongs to the technical field of DC power transmission. Background technique [0002] Flexible DC transmission technology is a new type of DC transmission technology based on voltage source converters, turn-off devices and pulse width modulation technology, and is an important equipment for building smart grids. Compared with traditional methods, flexible direct current transmission technology has the advantages of high controllability, convenient design and construction, small footprint and no communication between converter stations, etc. It has strong technical advantages in terms of large-scale wind farm grid connection, etc., and is a strategic choice to change the development pattern of large power grids. Moreover, flexible direct current transmission can carry clean energy such as wind energy and s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G5/00
CPCH02G5/00
Inventor 郭贤珊王赞石岩陈东乐波梅念付颖秦海波王慧萍吴方劼林国新吴延坤柳新枝于娟英祝全乐程炜刘思源
Owner STATE GRID CORP OF CHINA
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