Patent · US Active

Method and apparatus for protecting wind turbines from extreme events

US9822763B2 · kind B2 · utility

0Cited by

3References

17Claims

0Family size

Assignee

Vestas Wind Systems A/S · DK

Inventors

Chris Spruce · Leatherhead, GB
Christopher Palmer · Needmore, US
Robert Bowyer · London, GB

Key dates

Filing date	May 3, 2012
Grant date	Nov 21, 2017
Priority date	—
Expiry date	Dec 23, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/72
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A wind turbine has a Lidar device to sense wind conditions upstream of the wind turbine. Wind speed signals from the wind turbine are processed to detect an extreme operating gust. The detection is performed by differentiating the axial wind velocity and filtering for a period of time. On detection of extreme operating gust the system controller takes necessary evasive action which may include shutting down the turbine or varying the blade pitch angle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.