US 12,234,805 B2
Wind turbine generator system, and control method, controller and control system therefor
Jie Zhou, Beijing (CN); Waqar Ali, Beijing (CN); Xueming Cao, Beijing (CN); and Weidong Hao, Beijing (CN)
Assigned to XINJIANG GOLDWIND SCIENCE & TECHNOLOGY CO., LTD., Xinjiang (CN)
Appl. No. 17/997,800
Filed by XINJIANG GOLDWIND SCIENCE & TECHNOLOGY CO., LTD., Xinjiang (CN)
PCT Filed Mar. 30, 2021, PCT No. PCT/CN2021/084036
§ 371(c)(1), (2) Date Nov. 2, 2022,
PCT Pub. No. WO2022/001251, PCT Pub. Date Jan. 6, 2022.
Claims priority of application No. 202010606858.8 (CN), filed on Jun. 29, 2020.
Prior Publication US 2023/0243337 A1, Aug. 3, 2023
Int. Cl. F03D 7/02 (2006.01)
CPC F03D 7/0268 (2013.01) [F05B 2270/32 (2013.01); F05B 2270/321 (2013.01); F05B 2270/327 (2013.01); F05B 2270/328 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A control method for a wind turbine, wherein the wind turbine includes one or more blades and the control method comprises:
monitoring wind resource data at the location of a wind turbine and operation data of the wind turbine;
identifying a complicated wind condition based on the wind resource data and the operation data;
determining an accumulative proportion of time periods in which the complicated wind condition occurs within a first predetermined time period, wherein occurrence of the complicated wind condition comprises occurrences of any of multiple types of operating conditions, and the accumulative proportion of the time periods is a sum of weighted proportions of the time periods for the respective operating conditions occurring within the first predetermined time period; and
controlling the wind turbine to perform a protection operation, in response to the accumulative proportion of the time periods exceeding a first preset threshold.