A Method for Determining Abandoned Wind Power of Wind Farm Based on Wind Measurement Data of Anemometer Tower

A technology for determining the amount of abandoned wind power and its determination method, which is applied in the field of determining the amount of abandoned wind power in wind farms based on the wind measurement data of wind measuring towers, and can solve problems such as the calculation accuracy constraints of the model wind turbine method

Active Publication Date: 2018-03-30
STATE GRID CORP OF CHINA +3
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, affected by factors such as terrain and landform, the output of each fan in the wind farm is not a simple linear relationship, and the calculation accuracy of the model fan method is restricted to a certain extent

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A Method for Determining Abandoned Wind Power of Wind Farm Based on Wind Measurement Data of Anemometer Tower
  • A Method for Determining Abandoned Wind Power of Wind Farm Based on Wind Measurement Data of Anemometer Tower
  • A Method for Determining Abandoned Wind Power of Wind Farm Based on Wind Measurement Data of Anemometer Tower

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0069] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0070] The flow chart of the method for determining the abandoned wind power of a wind farm based on the wind measurement data of the wind measuring tower provided by the present invention is as follows figure 1 shown, including the following steps:

[0071] (1) Determine the change of wind measurement data under the influence of terrain, landform and wind turbine wake; the wind measurement data includes wind speed, and determine the change of wind measurement data under the influence of terrain, landform and wind turbine wake including:

[0072] ① Determine the influence of terrain on wind speed: the disturbed boundary layer under terrain disturbance includes inner layer, outer layer and middle layer;

[0073] 1. Solve the disturbance of the wind speed in the outer layer of the boundary layer of the wind turbine, inclu...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

A method based on anemometer tower measurement data for determining the discarded wind electrical power of wind farms. On the basis of anemometer tower measurement data, the method takes into consideration the impact of such factors as terrain, topography, and wind turbine wake, calculates wind speed at wind turbine hub height, and obtains a theoretical wind turbine power according to a power curve, then adds up the theoretical power of all the wind turbines of a wind farm to obtain a total theoretical power thereof; finally, the total theoretical power of the wind farm and the actual power thereof are respectively integrated over time, to obtain a theoretical and an actual electrical power; subtracting one from the other yields the discarded wind electrical power of the wind farm, thus providing precise calculation of wind farm discarded wind electrical power. The present method is applicable to all types of wind farm and resolves problems of low accuracy in the calculation by the sample turbine method of discarded wind electrical power.

Description

technical field [0001] The invention relates to a wind power generation and distribution technology, in particular to a method for determining the amount of abandoned wind in a wind farm based on the wind measurement data of an anemometer tower. Background technique [0002] Large-scale wind power bases cover a wide area and generally include multiple wind farms or groups of wind farms. Due to factors such as limited grid transmission channels and insufficient peak-shaving capabilities, wind curtailment will occur to a certain extent. A correct and scientific understanding of wind curtailment and a reasonable calculation of wind power curtailment will not only contribute to the healthy and stable development of the wind power industry, but also improve the level of grid dispatching and operation, promote the coordinated development of wind power planning and grid planning, and improve the utilization of clean energy. Rate. [0003] At present, the wind power industry mainly...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/00G06F19/00
CPCF03D7/00G16Z99/00Y02A90/10Y02E10/72
Inventor 王伟胜冯双磊王勃赵艳青刘纯姜文玲车建峰卢静张菲靳双龙胡菊王铮杨红英马振强王东升马锁明崔正湃孙荣富王若阳
Owner STATE GRID CORP OF CHINA
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap