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- Title
Review of control strategy of large horizontal‐axis wind turbines yaw system.
- Authors
Yang, Jian; Fang, Lingqi; Song, Dongran; Su, Mei; Yang, Xuebing; Huang, Lingxiang; Joo, Young Hoon
- Abstract
In order to meet the increasing demand of wind energy utilization, wind turbines (WTs) are developing toward the trend of large size and large capacity. In such a trend, various advanced yaw control strategies have been proposed to improve large WTs' comprehensive performance, but the analysis and summary of these strategies are still lacking. Therefore, it is necessary to have a review of yaw control, which not only enables readers to understand the current status of yaw control research but also promotes the development of wind energy technology. This paper presents a review of the current situation of yaw control for WTs, focusing on the mechanical/aerodynamic parts. The mechanical part is concerned with the WT yaw system and its effect on the fatigue load of the WT, and the aerodynamic part involves the wind energy capture and wake redirection to reduce the impact on adjacent WTs. In this review, the existing yaw control methods are classified in term of three control objectives: (1) increasing the wind energy capture of a single WT, (2) reducing the fatigue load of a single WT, and (3) maximizing the total power production of the whole wind farm and optimizing the wind farm fatigue load. On this basis, the control mechanism, the control algorithm, and the results are presented and analyzed in detail. Meanwhile, the advantages and disadvantages of the existing achievements are discussed. In addition, in a conclusion of the review, the future research direction has been identified.
- Subjects
WIND turbines; HORIZONTAL axis wind turbines; WIND power; ENERGY consumption; ENERGY development; PRESIDENTIAL terms of office
- Publication
Wind Energy, 2021, Vol 24, Issue 2, p97
- ISSN
1095-4244
- Publication type
Article
- DOI
10.1002/we.2564