Power transmission line structure of wind farm

A technology for power transmission lines and wind farms, applied in circuit devices, AC network circuits, electrical components, etc., can solve problems such as insufficient structure optimization, increased investment costs for wind power generation projects, and complexity, so as to optimize the overall wiring structure and reduce overall investment. cost effect

Inactive Publication Date: 2012-11-07
SHANGHAI INTELLIGENCE POWER ENG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if such a point-to-point line structure is used for dozens or even hundreds of wind turbines, the line layout will be too complicated, and the structure will not be optimized enough, resulting in a large amount of line cost, thereby increasing the project investment of wind power generation. cost

Method used

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  • Power transmission line structure of wind farm

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Embodiment Construction

[0018] Such as figure 1 Shown is a specific embodiment of the transmission line structure of the wind farm of the present invention, the structure includes a substation as a fixed point and a plurality of generators dispersedly arranged in the wind farm, all generators in the wind farm All are enveloped in a circle with the substation as the center (such as figure 1 In the arc-shaped area of ​​the circle center O) shown.

[0019] Combined with the topographical layout of the wind farm, 134 wind turbines (such as figure 1 Generator 1, Generator 2, ... Generator 134 are shown). In this embodiment, all the scattered 134 generators can be connected within the scope of one semicircle. According to the total number and distribution range of generators, the semicircle area can be equally divided into 10 fan-shaped partitions 300 (ie figure 1 Zone 1, Zone 2, ... Zone 10 shown).

[0020] In order to obtain a shortest main line, it is sufficient to set the path of the main line 200...

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Abstract

The invention discloses a power transmission line structure of a wind farm. The power transmission line structure comprises a power substation, a plurality of generators and an arc-shaped area, the power substation is used as a fixed point, the generators are arranged in a scattered manner, the power substation is used as the circle center of the arc-shaped area, the arc-shaped area covers the generators and further comprises a plurality of equant fan-shaped sub-areas and a plurality of shortest main lines, the shortest main lines are respectively positioned in the fan-shaped sub-areas and respectively connected with the generators positioned in the corresponding fan-shaped sub-areas by a plurality of branch lines, and the branch lines are respectively perpendicular to the shortest main lines. The power transmission line structure defines the shortest distances from points to lines via zoning planning, accordingly, the main lines of the power transmission line structure are the shortest, line wiring layout is further simplified, and construction investment cost of a power transmission project is greatly reduced.

Description

technical field [0001] The invention relates to a power transmission line structure, in particular to a power transmission line structure of a wind farm. Background technique [0002] Wind power generation is usually through the installation of dozens or even hundreds of wind turbines in a wind farm, which are integrated into the conventional power grid to provide power to the large power grid. At present, my country's grid-connected wind power has begun to enter the stage of large-scale development. For dozens or even hundreds of wind turbines, how to combine them from scattered points and integrate them into the grid through transmission lines is different from the general one. The design of the line path from a power plant (or substation) to a substation is different. How to choose the optimized line structure in the wind farm is directly related to the cost of the investment in the project construction itself. [0003] The wind farm is to gather the electricity generate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00
Inventor 宋祖仪
Owner SHANGHAI INTELLIGENCE POWER ENG CO LTD
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