Title:
CONTROLLER FOR A WIND TURBINE
Document Type and Number:
WIPO Patent Application WO/2023/088432
Kind Code:
A1
Abstract:
A controller(101) for controlling a wind turbine(100) configured to:provide a first shutdown-mode in which the controller(101) is configured to provide one or more first shutdown control signals to provide for one or both of (a) a change of blade pitch of one or more of the plurality of blades(108a,108b,108c) to slow the rotor(103) and (b) a change in a torque applied to the rotor(103) by the generator(104) to slow the rotor(103);and provide a second shutdown-mode,different to the first shutdown-mode,in which the controller(101) is configured to slow the rotor(103) at a faster rate than the first shutdown-mode at least over a predetermined range of rotational speeds that corresponds to a resonant frequency of one or more of the rotor(103),the tower(102) or the blades(108a,108b,108c);and wherein the controller(101) is configured to provide the second shutdown-mode based on receipt of rapid-wind-direction-change-information.
Inventors:
CAPONETTI FABIO (CN)
GRUNNET JACOB DELEURAN (CN)
NIELSEN EBBE (CN)
GRUNNET JACOB DELEURAN (CN)
NIELSEN EBBE (CN)
Application Number:
PCT/CN2022/132899
Publication Date:
May 25, 2023
Filing Date:
November 18, 2022
Export Citation:
Assignee:
SHANGHAI ELECTRIC WIND POWER GROUP CO LTD (CN)
International Classes:
F03D7/02; F03D7/00
Foreign References:
| CN106121914A | 2016-11-16 | |||
| CN101709689A | 2010-05-19 | |||
| CN105484937A | 2016-04-13 | |||
| CN109958575A | 2019-07-02 | |||
| US20070116572A1 | 2007-05-24 | |||
| US20090004005A1 | 2009-01-01 | |||
| US20100068057A1 | 2010-03-18 | |||
| US20150211486A1 | 2015-07-30 | |||
| US20160032890A1 | 2016-02-04 |
Attorney, Agent or Firm:
BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION (CN)
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