Method, device and system for controlling wind alignment correction of wind turbine generator systems

A wind turbine and control method technology, which is applied in the control of wind turbines, monitoring of wind turbines, engine control, etc., can solve the problems of engineering and technical personnel's operation errors, roughness, failure to achieve unit safety and performance, etc., and achieves improved correction. The effect of efficiency

Active Publication Date: 2015-04-01
BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantage is that the average yaw-to-wind angle and standard deviation of the entire unit are too rough for each independent fan. Secondly, the alarm can only be issued according to a certain threshold, a

Method used

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  • Method, device and system for controlling wind alignment correction of wind turbine generator systems
  • Method, device and system for controlling wind alignment correction of wind turbine generator systems
  • Method, device and system for controlling wind alignment correction of wind turbine generator systems

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Experimental program
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Effect test

Embodiment 1

[0042] Figure 4 It is a method flow chart of an embodiment of a method for wind correction control of a wind power generating set provided by the present invention. The execution subject of the method may be the yaw control system in the generating set, or a control device or module integrated in the system. Such as Figure 4 As shown, the wind power generation unit's wind correction control method specifically includes:

[0043] S401, obtaining the ambient wind speed value, the measured value of the yaw angle against the wind and the power generation value of the wind power generating set in real time;

[0044] Among them, the ambient wind speed value is the wind speed of the environment where the unit is located; the measured yaw and wind angle is the yaw and wind angle actually measured by the wind measuring equipment of the unit; the power generation value is the unitized power generated by the unit output value. The above three parameter values ​​are obtained in real ...

Embodiment 2

[0058] Figure 5a The method flow chart of another embodiment of the wind power generator set wind correction control method provided by the present invention is as follows Figure 4 A specific implementation of the illustrated embodiment. Such as Figure 5a As shown, the wind power generation unit's wind correction control method specifically includes:

[0059] S501, obtaining the ambient wind speed value, the measured value of the yaw angle against the wind and the power generation value of the wind power generating set in real time;

[0060] S502. Divide the acquired ambient wind speed values ​​into multiple wind speed segments according to their size, and extract each measured value of the yaw-to-wind angle and the generated power value in at least one wind speed segment;

[0061] For the specific execution process of the above-mentioned steps 502-503, refer to the corresponding content of the steps 401-402, which will not be repeated here in this embodiment.

[0062] ...

Embodiment 3

[0075] Figure 6 A structural schematic diagram of an embodiment of the wind power generator set wind correction control device provided by the present invention, which can be used to implement Figure 4 The method steps of the shown embodiment, as Figure 6 As shown, the wind power generation unit’s wind correction control device specifically includes: an acquisition module 61, an extraction module 62, a determination module 63, a calculation module 64, and a correction module 65; wherein:

[0076] The acquisition module 61 is used to acquire the ambient wind speed value, the measured value of the yaw angle against the wind and the generated power value of the wind power generating set in real time;

[0077] An extraction module 62, configured to divide the acquired environmental wind speed values ​​into a plurality of wind speed segments according to their size, and extract the measured values ​​of the yaw and wind angles and the generated power values ​​in at least one wind ...

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Abstract

An embodiment of the invention provides a method, a device and a system for controlling wind alignment correction of wind turbine generator systems. The method includes acquiring environmental wind speed values, yawing wind alignment angle measured values and generated power values of the wind turbine generator systems in real time; dividing the various acquired environmental wind speed values into a plurality of wind speed sections according to the magnitude of the environmental wind speed values and extracting the various yawing wind alignment angle measured values and the generated power values in at least one wind speed section; determining the maximum values of the extracted generated power values in the various wind speed sections; computing wind alignment correction deviation of the wind turbine generator systems according to the yawing wind alignment angle measured values corresponding to the maximum values of the extracted generated power values in the various wind speed sections; correcting follow-up acquired yawing wind alignment angle measured values by the aid of the wind alignment correction deviation. According to the technical scheme, the method, the device and the system have the advantages that wind alignment correction control operation can be implemented on the wind turbine generator systems, and the correction efficiency can be improved.

Description

technical field [0001] The invention relates to the technical field of wind power, in particular to a method, device and system for wind correction control of a wind power generating set. Background technique [0002] Due to the initial installation error of the wind turbine (referred to as "the unit"), the aging or loosening of screws after long-term operation, and the influence of the impeller wake, there will be errors between the yaw-to-wind angle actually obtained by the yaw system of the unit and the real value. , resulting in inaccurate yaw-wind angle deviation calculated by the yaw system. The inaccurate deviation of the yaw versus wind angle will result in a loss of power generation and an increase in unbalanced loads for the unit. Therefore, how to conveniently and effectively monitor and correct the windward angle of the unit is particularly important. [0003] In the prior art, a method of realizing yaw correction by monitoring the yaw angle output by the unit ...

Claims

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Application Information

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IPC IPC(8): F03D7/00
CPCF03D7/0204F03D7/028F05B2270/329F05B2270/321F05B2270/802F03D17/00F05B2270/32F05B2270/335Y02E10/72F03D7/00G01B21/22
Inventor 李健周桂林
Owner BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP CO LTD
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