Title:
WIND TURBINE TIP CLEARANCE, ESTIMATION AND CONTROL
Document Type and Number:
WIPO Patent Application WO/2019/200526
Kind Code:
A1
Abstract:
A method of tip clearance control (TCC)(1000) and a wind turbine generator (1) are disclosed, the wind turbine generator has a rotor with at least one blade (5) rotating relatively to a tower (2) and with a tip clearance (8) between a blade tip (7) of at least one blade and the tower, the method comprising: measuring (1100) a set of operational values (110) and a set of blade load values (150); estimating (1200) the tip clearance (210) as a function of the set of operational values and the set of blade load values; generating (1300) a control command (310) from the estimated tip clearance (210). A computer program product (400) and a wind turbine generator control system (300) are also disclosed.
Inventors:
WANG BIKUN (CN)
WANG LINPENG (CN)
CHEN LIN (CN)
WANG LINPENG (CN)
CHEN LIN (CN)
Application Number:
PCT/CN2018/083258
Publication Date:
October 24, 2019
Filing Date:
April 17, 2018
Export Citation:
Assignee:
ENVISION ENERGY JIANGSU CO LTD (CN)
International Classes:
F03D1/06; F03D7/04; F03D9/00
Foreign References:
| US20120132011A1 | 2012-05-31 | |||
| CN102953925A | 2013-03-06 | |||
| CN102953924A | 2013-03-06 | |||
| CN103047078A | 2013-04-17 | |||
| US20080101930A1 | 2008-05-01 |
Other References:
See also references of EP 3781807A4
Attorney, Agent or Firm:
GUANGZHOU SINO PATENT & TRADEMARK AGENT CO., LTD. (CN)
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