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Earthquake-resistant high-voltage capacitor bank for extra-high-voltage direct-current transmission project

An ultra-high voltage DC, high-voltage capacitor technology, applied in the direction of capacitors, multiple fixed capacitors, electrical components, etc., can solve problems such as the inability to achieve high tower layers, high seismic resistance horizontal acceleration, etc., to achieve strong seismic resistance and large capacity. Effect

Pending Publication Date: 2022-07-12
WUXI SUNKING POWER CAPACITOR CO LTD
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Problems solved by technology

[0004] The invention provides an anti-seismic high-voltage capacitor bank for UHVDC power transmission projects, to solve the problem that the high-voltage capacitor bank in the prior art cannot achieve high tower floors and high earthquake-resistant horizontal acceleration on the basis of double towers

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  • Earthquake-resistant high-voltage capacitor bank for extra-high-voltage direct-current transmission project
  • Earthquake-resistant high-voltage capacitor bank for extra-high-voltage direct-current transmission project
  • Earthquake-resistant high-voltage capacitor bank for extra-high-voltage direct-current transmission project

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Embodiment Construction

[0024] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0025] An earthquake-resistant high-voltage capacitor bank for UHVDC power transmission projects, comprising a high-voltage tower 1 and a low-voltage tower 2, the high-voltage tower 1 and the low-voltage tower 2 include several capacitor frame layers 3, and the capacitor frame layer 3 includes a frame 4 , a number of capacitor units 5 .

[0026] The frame 4 includes six load-bearing channel steels 6 and four vertical steel pipes 7, the frame 4 is in a rectangular frame structure, the four load-bearing channel steels 6 form the four sides of the rectangular frame structure, and there are two load-bearing channel steels 6. Set in a rectangular frame structure, parallel to the long sides of the rectangular frame structure, the steel pipes ...

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Abstract

The invention provides an anti-seismic high-voltage capacitor bank for an extra-high voltage direct current transmission project, which comprises a high-voltage tower and a low-voltage tower, the high-voltage tower and the low-voltage tower comprise a plurality of capacitor frame layers, each capacitor frame layer comprises a frame and a plurality of capacitor units, and each frame comprises six load-bearing channel steels and four vertical steel pipes. The frame is of a rectangular frame structure, the load-bearing channel steel forms a main body of the rectangular frame structure, the steel pipes are arranged at four corners of the rectangular frame structure, the capacitor units are installed on the load-bearing channel steel, and the capacitor frame layers are connected through interlayer composite post insulators. And the interlayer composite post insulators are connected with the steel pipes of the upper and lower capacitor frame layers. According to the invention, the problem that a high-voltage capacitor bank in the prior art cannot achieve high tower layer number and high earthquake-resistant horizontal acceleration on the basis of double towers is solved.

Description

technical field [0001] The invention relates to the technical field of anti-seismic power transmission equipment, in particular to an anti-seismic high-voltage capacitor bank for ultra-high voltage direct current transmission engineering. Background technique [0002] UHVDC transmission refers to power transmission projects with voltage levels of ±800kV and above. A large number of high-voltage capacitor banks are needed in the converter station of UHVDC transmission projects. The rated voltage of AC high-voltage capacitor banks is 500kV and above. The rated voltage of the group is ±800kV and above. The converter station at the sending end of the UHVDC transmission project is usually built in remote areas such as Inner Mongolia and Xinjiang, which are also prone to earthquakes. Because the capacity of the capacitor bank is very large, the height of the capacitor bank is over 10m and the weight is over 40 tons. At present, the conventional anti-seismic technical measures of ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G4/38H01G2/02
CPCH01G4/38H01G2/02Y02E60/60
Inventor 赵彦军雷乔舒王国喜沈斌
Owner WUXI SUNKING POWER CAPACITOR CO LTD
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