Optimal control of the electro-hydraulic actuator for variable pitch variable speed wind turbine: Performance enrichment

IF 1.5 Q4 ENERGY & FUELS Wind Engineering Pub Date : 2023-10-31 DOI:10.1177/0309524x231202765
Mahideremariam Alemu, Endalew Ayenew
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Abstract

The wind energy generation system is complex because of varying wind speeds and its control systems to improve its ability of energy harvesting. This paper considers a hydraulic actuator-based variable-pitch angle control of a 1.5 MW wind turbine. The existing control systems of the pitch mechanism of the wind turbines are complex and bulky size. This study applied Genetic Algorithm based Proportional Integral Derivative Controller (GA-PID), Fractional Order Proportional Integral Derivative (FOPID), and Genetic Algorithm based Fractional Order Proportional Integral Derivative (GA-FOPID) controllers to adjust the pitch angle of the wind turbine blade. The performance of GA-FOPID, FOPID, and GA-PID controlled pitch angle is compared by considering different wind speeds. The GA-FOPID controller reduced the variation in mechanical power to 0.08% concerning the rated value and the variation in mechanical torque to 1.51% in comparison to the rated value. Therefore, the GA-FOPID controller shows better performance than the conventional PID.
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变螺距变速风力机电液执行器的最优控制:性能充实
风力发电系统是复杂的,因为风速变化和控制系统,以提高其能量收集能力。研究了一种基于液压作动器的1.5 MW风力发电机组变俯仰角控制方法。现有的风力发电机纵摇机构控制系统结构复杂,体积庞大。本研究采用基于遗传算法的比例积分导数控制器(GA-PID)、分数阶比例积分导数控制器(FOPID)和基于遗传算法的分数阶比例积分导数控制器(GA-FOPID)来调节风力机叶片的俯仰角。在考虑不同风速的情况下,比较了GA-FOPID、FOPID和GA-PID控制俯仰角的性能。GA-FOPID控制器将机械功率相对额定值的变化减小到0.08%,机械扭矩相对额定值的变化减小到1.51%。因此,GA-FOPID控制器表现出比传统PID更好的性能。
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来源期刊
Wind Engineering
Wind Engineering ENERGY & FUELS-
CiteScore
4.00
自引率
13.30%
发文量
81
期刊介绍: Having been in continuous publication since 1977, Wind Engineering is the oldest and most authoritative English language journal devoted entirely to the technology of wind energy. Under the direction of a distinguished editor and editorial board, Wind Engineering appears bimonthly with fully refereed contributions from active figures in the field, book notices, and summaries of the more interesting papers from other sources. Papers are published in Wind Engineering on: the aerodynamics of rotors and blades; machine subsystems and components; design; test programmes; power generation and transmission; measuring and recording techniques; installations and applications; and economic, environmental and legal aspects.
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