Increased power capture efficiency of large-scale wind turbines using model-free coordinated pitch, yaw, and torque control with wind direction estimation in diverse environmental conditions

风力发电 扭矩 海洋工程 比例(比率) 功率(物理) 环境科学 估计 风向 控制(管理) 汽车工程 控制理论(社会学) 风速 计算机科学 工程类 气象学 地理 物理 电气工程 人工智能 热力学 系统工程 量子力学 地图学
作者
Kumarasamy Palanimuthu,Seok‐Won Jung,Sang‐Yong Jung,Seong‐Ryong Lee,Jae Hoon Jeong,Young Hoon Joo
出处
期刊:Ocean Engineering [Elsevier BV]
卷期号:300: 117482-117482 被引量:1
标识
DOI:10.1016/j.oceaneng.2024.117482
摘要

Offshore large-scale wind turbine systems (LSWTS) face challenges in pitch and yaw management mainly due to unreliable wind direction measurements, delayed responses, and redundant yaw movements, reducing their optimal efficiency under various offshore renewable environmental conditions. To address this problem and increase power capture, this study introduces a model-free coordinated super-twisting pitch, yaw, and generator torque control for LSWTS under various wind speed and direction conditions. To achieve this, a dynamic model of the weather vane is first designed to accurately measure the wind directions under fluctuating wind speed and environmental conditions. At the same time, the onshore/offshore LSWTS weather vane model is formulated to operate under optimal conditions considering air density, temperature, humidity, and external disturbances. Then, super-twisting control based on an enhanced adaptive barrier function is proposed for the coordinated control operation of the pitch, yaw, and generator torque actuators for stable maximum power extraction of the offshore LSWTS. Finally, simulation and comparative studies are presented to signify the increased power capture ability of the proposed scheme for both a 4.8 MW benchmark and a 20 MW PMVG-based offshore LSWTS to verify robustness against wind gusts, direction changes, and model uncertainties.
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