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Wind turbine and control method for controlling the same

A technology for wind turbines and control signals, which is applied in the control of wind turbines, monitoring of wind turbines, engine control and other directions, and can solve the problems of inability to detect differences in wind speed sensors, poor reliability, and physical parameter interference.

Inactive Publication Date: 2012-12-05
WILIC SARL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, measurements of physical parameters such as wind speed are often disturbed by wind turbines and are only partially reliable
For example, wind speed sensors are often located on the nacelle and are disturbed by the rotor, and the wind speed sensor cannot detect differences along the area swept by the rotor
[0003] The generally poor reliability of the information retrieved through traditional sensors can compromise the good control of the wind turbine

Method used

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  • Wind turbine and control method for controlling the same
  • Wind turbine and control method for controlling the same
  • Wind turbine and control method for controlling the same

Examples

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Embodiment Construction

[0042] refer to figure 1 , the number 1 indicates a wind turbine, especially a wind turbine used to generate electrical energy. A wind turbine 1 comprises: a vertical structure 2 ; a nacelle 3 on top of the vertical structure 2 ; a rotor 4 rotatably fitted to the nacelle 3 about an axis A; The rotor 4 comprises a hub 6 and a plurality of blades 7, in the example shown three blades, mounted to the hub 6 for rotation about an axis B extending radially from the axis A; The blade 7 rotates around the axis B and a plurality of helical actuators 8 that adjust the pitch of said blade. The wind turbine 1 comprises a brake 9 selectively controlled by a brake actuator 10 to lock the rotor 4 relative to the nacelle 3 , and an inverter 11 for controlling the rotating electric machine 5 . The wind turbine 1 comprises a speed sensor 12 for detecting the rotational speed of the rotor 4 .

[0043] figure 1 The wind turbine 1 is of the type having a single bearing 13 supporting the entire ...

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Abstract

The invention relates to a wind turbine and a control method for controlling the same. The wind turbine (1) is provided with a rotor (4) rotatable about a rotor axis (A) and having a plurality of blades (7) rotatably fitted to a hub (6) about a blade axis (B) and a plurality of pitch actuators (8) for adjusting the pitch angles of the blades (7); a brake (9) controlled by a brake actuator (10) for arresting the rotor (4); a rotating electric machine (5) connected to the rotor (4); an inverter (11) for controlling the rotating electric machine (5); and a control system (22) configured to emit control signals for selectively controlling at least one of pitch actuators (8); the brake actuator (10); and the inverter (11) as a function of the deformations retrieved by means of a plurality of image reflection measuring devices (24) configured for detecting the deformations of each blade (7).

Description

technical field [0001] The invention relates to a wind turbine. In particular, the invention relates to a wind turbine comprising a control system for controlling the wind turbine and to a method for controlling the wind turbine. Background technique [0002] Generally, a wind turbine includes a vertical support structure; a nacelle on top of the support structure; a rotor rotatably fitted to the nacelle, and the rotor includes a hub, a plurality of blades rotatably fitted to the hub, and Multiple helical actuators for adjusting the pitch angle (pitch angle) of the blades. Typically, the wind turbine is controlled according to a control strategy based on one or more measured control parameters (eg wind speed, wind direction, etc.). Therefore, a control system for controlling the operation of a wind turbine is usually connected to one or more sensors, each sensor being arranged to measure a particular ambient condition, such as wind speed. However, measurements of physical...

Claims

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Application Information

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IPC IPC(8): F03D1/00F03D1/06F03D7/04F03D11/00
CPCF05B2270/8041F05B2270/804Y02E10/723F03D11/0041F05B2260/903F03D7/0272F03D7/0224F05B2270/508F03D7/0228F05B2270/502F03D7/0232F05B2270/305F03D7/0244Y02E10/722F05B2270/00F05B2270/17F05B2270/504F03D11/0091F05B2260/90Y02E10/721F03D17/00F05B2240/3052F03D80/10Y02E10/72
Inventor 马特奥·卡萨扎阿默代奥·萨巴汀京特·斯托克纳
Owner WILIC SARL
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