Integral space structure for offshore converter station

A spatial structure and integral technology, applied in the field of offshore wind power development and offshore electric booster platform, can solve the problems of non-existent structural implementation schemes, so as to avoid excessive design size, ensure service performance, maintain strength bearing capacity and toughness The effect of redundancy

Pending Publication Date: 2020-04-07
POWERCHINA HUADONG ENG COPORATION LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing disclosed technical solutions only focus on the overall layout of offshore converter stations, such as "Fixed Offshore Converter Station for Offshore Wind Farm" (ZL 201721551239.3) and "An Offshore Converter Station for Flexible DC Transmission System "(CN201910302415.7), there is no structural implementation scheme that can be applied in engineering

Method used

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  • Integral space structure for offshore converter station
  • Integral space structure for offshore converter station
  • Integral space structure for offshore converter station

Examples

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Embodiment Construction

[0044] In order to further illustrate the content, features and effects of the present invention, the following embodiments of offshore converter stations are listed below, and are described below with accompanying drawings.

[0045] like Figure 1~5 As shown, in this embodiment, the integrated space structure for the offshore converter station includes two parts, the upper block 1 and the jacket 2, figure 1 It is the facade of A / C / E axis in this embodiment, figure 2 is the 1 / 7 axis elevation, image 3 is the 2 / 6 axis elevation, Figure 4 is the 3 / 4 axis elevation, Figure 5 It is a 5-axis elevation. The jacket 2 is divided into two pieces, the jacket 2a section is set on the 1~2 axis, and the jacket 2b section is set on the 6~7 axis; the upper block is divided into six layers, including the following equipment spaces: diesel oil storage tank room 111, valve Cooling control room 112, valve cooling equipment room 113, seawater desalination equipment room 114, seawater pum...

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Abstract

The invention relates to an integral space structure for an offshore converter station, and mainly relates to the field of offshore wind power development, in particular to the field of offshore electrical boosting platforms. An upper module in the integral space structure for the offshore converter station provided by the invention forms a three-transverse-truss four-longitudinal-truss space frame system, wherein transverse trusses are used for bearing large-span weight load of a main structure, and longitudinal trusses are used for transmitting loads, form a whole with the transverse trussesand are transmitted to the jacket and the pile foundation; therefore, it is guaranteed that the structure has enough overall rigidity, the natural vibration frequency is larger than 0.6s, the structure is far away from the wave main frequency, and the vibration of the structure under the effect of environment loads is reduced. In the transportation period, temporary binding members are arranged to share stress on main columns of a valve hall transverse frame, the risk that a main frame is unstable when inertia effects such as rolling or pitching or heaving happen to a ship in the marine transportation period is reduced, and the situation that the design size of main column members is too large is avoided.

Description

technical field [0001] The invention relates to an integral space structure for an offshore converter station, and mainly relates to the field of offshore wind power development, especially the field of offshore electric booster platforms. Background technique [0002] The offshore converter station is the inevitable product of the new energy development of offshore wind power from the small capacity in the near shallow sea to the large capacity in the deep sea. Offshore converter stations need to accommodate a variety of heavy equipment, such as converter valves and accessories weighing more than 1,000 tons, and coupling transformers with a single weight of 500-600 tons. Considering the necessary functional rooms such as water cooling and heating ventilation, the total weight of the upper block will reach about 20,000 tons, which is far larger than the traditional offshore AC booster station, and is also comparable to the spatial layout of the relatively mature onshore conv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B7/00E02B17/00B63B35/44H02M7/00
CPCB63B35/44B63B2035/446E02B17/00H02B7/00H02M7/00Y02E10/76
Inventor 俞华锋杨建军贾献林孙震洲吕国儿张栋梁陶安
Owner POWERCHINA HUADONG ENG COPORATION LTD
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