Title:
APPARATUS FOR CONTROLLING LOAD AND DEFORMATION OF WIND TURBINE BLADE
Document Type and Number:
WIPO Patent Application WO/2016/011833
Kind Code:
A1
Abstract:
Disclosed is an apparatus for controlling the load and deformation of a wind turbine blade. A free rotation type blade (5) of an appropriate length is mounted on a blade tip of a wind turbine blade (1), and a steering engine (6) inside the free rotation type blade (5) is connected to a rear control plane (7) through a transmission rod (8); the steering engine (6) drives the control plane (7) to rotate, thereby changing the aerodynamic configuration of the free rotation type blade (5); and the free rotation type blade (5) generates rotation around the wind turbine blade (1) under the action of an aerodynamic moment and changes the angle of attack between an incoming flow and same, thereby controlling the aerodynamic load and deformation of the wind turbine blade (1). The apparatus can improve the aerodynamic performance of the wind turbine blade in different operating conditions, and stabilize the output power of a wind turbine in different incoming flow conditions, thereby expanding the operating envelope of the wind turbine, aiding in increasing the annual power output of the wind turbine, and also improving the safety of the blade and related devices.
Inventors:
GU YUNSONG (CN)
LI LINKAI (CN)
SUN ZHIJUN (CN)
LI LINKAI (CN)
SUN ZHIJUN (CN)
Application Number:
PCT/CN2015/077243
Publication Date:
January 28, 2016
Filing Date:
April 23, 2015
Export Citation:
Assignee:
UNIV NANJING AERONAUTICS (CN)
International Classes:
F03D7/04; F03D1/06
Domestic Patent References:
| WO2014006542A2 | 2014-01-09 |
Foreign References:
| CN104234929A | 2014-12-24 | |||
| CN204024906U | 2014-12-17 | |||
| US4355955A | 1982-10-26 | |||
| CN101451491A | 2009-06-10 | |||
| CN203285619U | 2013-11-13 | |||
| CN102808722A | 2012-12-05 | |||
| CN102414441A | 2012-04-11 | |||
| CN101874158A | 2010-10-27 | |||
| EP2636890A1 | 2013-09-11 | |||
| GB2186638A | 1987-08-19 |
Attorney, Agent or Firm:
JIANGSU SUNDY LAW FIRM (CN)
江苏圣典律师事务所 (CN)
江苏圣典律师事务所 (CN)
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