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Wind power plant cluster wind speed prediction method

A technology for wind speed forecasting and wind farms, applied in the field of wind speed forecasting for wind farm clusters

Active Publication Date: 2015-12-23
STATE GRID CORP OF CHINA +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no relatively mature method for predicting wind speed in wind farms in China.

Method used

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  • Wind power plant cluster wind speed prediction method
  • Wind power plant cluster wind speed prediction method
  • Wind power plant cluster wind speed prediction method

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Embodiment Construction

[0063] please see Figure 1 to Figure 12 , a wind farm cluster wind speed prediction method is characterized in that it comprises the following steps carried out in sequence:

[0064] The first step: the step of wind farm clustering, which includes:

[0065] (A1) The steps of inputting the geographic information data of each wind farm: input the two-dimensional geographic coordinates of each wind farm, among which, first determine the origin of the geographic coordinates of a certain location, and then determine the horizontal distance between a certain wind farm and the origin as the X coordinate, The vertical distance between a wind farm and the origin is the Y coordinate, and the two-dimensional geographic coordinates of each wind farm are determined one by one; the horizontal and vertical distances are measured using Googleearth software;

[0066] (A2) Steps of using the K-means method to cluster clusters of regional wind farms: (a) Initialize the centroids of K clusters ...

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Abstract

The invention belongs to the wind power generation technical field, and especially relates to a wind power plant cluster wind speed prediction method comprising the following steps: a wind power plant clustering step; a wind speed correlation hierarchy analysis step; an adjacent wind power plant wind speed prediction step. The wind power plant cluster wind speed prediction method is strong in operationality and practicality, accurate and reliable in prediction result, thus greatly accelerating wind power engineering progress.

Description

technical field [0001] The invention belongs to the technical field of wind power generation, and in particular relates to a wind speed prediction method for a cluster of wind farms. Background technique [0002] With the development of clean energy, especially wind power generation technology, the number of wind power generation equipment connected to the grid is increasing. In the scenario where multiple wind farms are connected to the distribution network system in a large scale, the construction of wind farms and related wind measuring towers In the initial stage of development, due to the different construction periods of each wind farm station, only a small amount of historical output information of wind farms and historical information of wind speed in related areas were obtained. Therefore, it is impossible to obtain more accurate wind speed data of all wind farms in the area at the same time scale, and provide data support for planning and post-scheduling work, and ...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06
CPCY04S10/50Y02A30/00
Inventor 罗明武孙朝霞张华罗云月朱锦峰刘天慈汪磊
Owner STATE GRID CORP OF CHINA
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