RESEARCH ON OPTIMIZATION STRATEGY OF VARIABLE SPEED CONTROL PARAMETERS OF WIND TURBINE BASED ON ACTIVE DAMPING CONTROL OF TOWER

Liu Yingming; Zhang Shuyuan; Wang Xiaodong

doi:10.19912/j.0254-0096.tynxb.2022-0841

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (10) : 296-305. DOI: 10.19912/j.0254-0096.tynxb.2022-0841

RESEARCH ON OPTIMIZATION STRATEGY OF VARIABLE SPEED CONTROL PARAMETERS OF WIND TURBINE BASED ON ACTIVE DAMPING CONTROL OF TOWER

Liu Yingming, Zhang Shuyuan, Wang Xiaodong

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Abstract

Considering the mutual coupling of control parameters of wind turbines, in order to solve the problems of inaccurate control parameters and difficulty taking into consideration control objectives, an adaptive variable speed control parameter optimization method based on active damping control of the tower is proposed. Firstly, the mathematical and dynamic model is established based on the torque-speed system and the tower side active damping control, and the initial value of the active damping gain is calculated. Secondly, in order to facilitate the tuning of PI control parameters and analysis and calculation, the Routh method is used to identify the torque-speed system with large inertia as a low-order inertial system, and then the Integrated Time and Absolute Error criterion is used to set the initial value of the PI control parameters of the variable speed system. Finally, in order to maintain the optimal control state, the PI control parameters and active damping gain of the variable speed system at each wind speed point are optimized based on the catastrophic genetic algorithm, and the adaptive control is constructed by fitting them with the wind speed respectively. An example analysis verifies the effectiveness of the proposed method by comparing the frequency domain characteristics, control accuracy, tower vibration, and load conditions.

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wind turbines / speed control / damping / parameter optimization / catastrophe genetic algorithm

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Liu Yingming, Zhang Shuyuan, Wang Xiaodong. RESEARCH ON OPTIMIZATION STRATEGY OF VARIABLE SPEED CONTROL PARAMETERS OF WIND TURBINE BASED ON ACTIVE DAMPING CONTROL OF TOWER[J]. Acta Energiae Solaris Sinica. 2023, 44(10): 296-305 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0841

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