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Correcting measured wind characteristic of a wind turbine

A technology of wind turbines and wind characteristics, applied in the control of wind turbines, wind turbines, wind turbines that are consistent with the wind direction, etc.

Pending Publication Date: 2021-07-23
SIEMENS GAMESA RENEWABLE ENERGY AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, the flow can be affected by nacelle components, for example when wind sensors are located near cooling towers
The resulting effect on the sensor may then be from a combination of rotor convective effects and nacelle component convective effects

Method used

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  • Correcting measured wind characteristic of a wind turbine
  • Correcting measured wind characteristic of a wind turbine
  • Correcting measured wind characteristic of a wind turbine

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Experimental program
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Embodiment Construction

[0047] Figure 1 to Figure 4 Structurally and / or functionally similar elements or modules are marked with reference numerals that differ only in the first digit. A description of an element not specifically described with reference to a particular embodiment may be taken from a corresponding description of that element in the context of another embodiment. Figure 1 to Figure 4 The blocks or modules in can represent hardware and / or software or functional modules.

[0048] The arrangement 100 is used for alignment with the wind turbine 1 (see Figure 5 ) related to a measured value 101 of at least one wind property (here wind speed), the wind turbine 1 has a nacelle 2 (on top of the tower 6 ), the nacelle 2 holds the rotor 3 (driving the generator 4 ), the rotor 3 There are a plurality of rotor blades 5 , at least one of which is fitted with an adaptive flow regulation device 7 . The arrangement comprises a wind speed sensor 103 adapted to measure a value 101 of a wind chara...

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Abstract

Correcting measured wind characteristic of a wind turbine It is described a method of correcting a measurement value (101) of least one wind characteristic, in particular wind speed and / or wind direction, related to a wind turbine (1) having a rotor (3) with plural rotor blades (5) at least one having an adaptable flow regulating device (7) installed, the method comprising: measuring a value (101) of the wind characteristic; obtaining state information (107) of the adaptable flow regulating device (7); and determining a corrected value (111) of the wind characteristic based on the measured value (101) of the wind characteristic and the state information (107) of the adaptable flow regulating device (7).

Description

technical field [0001] The invention relates to a method and an arrangement for correcting measurements of at least one wind characteristic, in particular wind speed and / or wind direction, in relation to a wind turbine having a rotor with a plurality of rotor blades, at least one of which is mounted with Adaptive flow regulator. Background technique [0002] Conventionally, wind direction and wind speed measurements can usually be performed by sensors located at the nacelle of the wind turbine. Wind direction and wind speed measurements can be used, for example, for control purposes, such as aligning the turbine upwind (by allowing it to yaw properly) and monitoring yaw error (to ensure that loads from yaw misalignment are limited) and in the case of excessive wind speeds Stop the turbine. [0003] Since wind speed and direction sensors may often be located downstream of the rotor (behind it in the direction of the wind), the readings from these sensors may be affected by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D7/02F03D1/06
CPCF03D1/0641F03D7/0232F05B2270/322Y02E10/72F05B2270/32F05B2270/321F05B2270/324F05B2270/327F05B2270/328F05B2270/329F05B2270/335F05B2270/709
Inventor P·埃格达尔T·埃斯本森G·赫格
Owner SIEMENS GAMESA RENEWABLE ENERGY AS