Unlock instant, AI-driven research and patent intelligence for your innovation.

Aerodynamic device for detection of wind turbine blade operation

一种风力涡轮机、空气动力学的技术，应用在空气动力学试验、风力发动机的监控、测量装置等方向，能够解决风力涡轮机低功率、低叶片性能、失速等问题

Inactive Publication Date: 2010-08-18
GENERAL ELECTRIC CO
View PDF6 Cites 15 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, stalling results in lower blade performance and thus lower power generation by the wind turbine

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
  • Aerodynamic device for detection of wind turbine blade operation
  • Aerodynamic device for detection of wind turbine blade operation
  • Aerodynamic device for detection of wind turbine blade operation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0051] The following embodiments of the invention have many advantages, including providing early warning of physical conditions of wind turbine blade condition that may lead to impaired performance of the wind turbine blade and reduced power output of the wind turbine. Warnings may be provided to the wind turbine control system to allow system control or operator action to correct impaired blade performance and restore predicted power output for that wind condition. Specifically, detection of blade icing and blade stall conditions may be identified to allow corrections to be made.

[0052] As used herein, a physical or meteorological parameter is "monitored" when a sensor is used to determine the current value of the physical or meteorological parameter. The use of the broader term "monitoring" rather than the narrower term "measurement" emphasizes that a sensor can, but need not, provide a direct measurement of the parameter being monitored. For example, an anemometer 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
Login to View More

PUM

No PUM Login to View More

Abstract

An aerodynamic device 130 is provided for detection of physical conditions of operation for a wind turbine blade 100. One or more vibration sensors 135, 140 are mounted on the blades 108 in the aerodynamic housing 130 and configured to monitor a physical condition of the blades 108 that varies in accordance with a vibration of the housing. A processor 304 is operably coupled to the one or more vibration sensors 135, 140. The processor 304 may be configured to use the vibration frequency of a component of the blade to determine the physical condition of the blade, and generate a signal indicating the physical condition of the blade when determined.

Description

technical field [0001] The present invention relates generally to the operation of wind turbine blades and, more particularly, to an aerodynamic device for detecting operation of wind turbine blades. Background technique [0002] Recently, wind turbines have received increasing attention as an environmentally friendly and relatively inexpensive alternative energy source. With this increasing interest, considerable efforts have been made to develop reliable and efficient wind turbines. [0003] Typically, a wind turbine includes a rotor with a plurality of blades. The rotor is mounted to a casing or nacelle that sits on top of a truss or tubular tower. Utility-grade wind turbines (ie, wind turbines designed to provide electrical power to a public grid) can have large rotors (eg, 40 meters in diameter or more). Blades on these rotors convert wind energy into a rotational torque or force that drives one or more generators rotationally coupled to the rotors through a gearbox....

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 Applications(China)
IPC IPC(8): F03D1/06G01M9/06
CPCF05B2220/709Y02E10/722F05B2260/96F05B2270/334F03D11/0091F05B2270/807Y02E10/721F03D11/0025F03D17/00F03D80/40Y02E10/72
Inventor P·L·贝尼托E·耶格罗P·W·程
Owner GENERAL ELECTRIC CO