RESEARCH ON VIBRATION CONTROL OF WIND TURBINES BASED ON VARIABLE COEFFICIENT SLIDING MODE CONTROLLER

Zhang Shijie; Wei Jing; Tang Baoping; Ji Kefeng

doi:10.19912/j.0254-0096.tynxb.2022-0022

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (5) : 407-415. DOI: 10.19912/j.0254-0096.tynxb.2022-0022

RESEARCH ON VIBRATION CONTROL OF WIND TURBINES BASED ON VARIABLE COEFFICIENT SLIDING MODE CONTROLLER

Zhang Shijie¹, Wei Jing^1,2, Tang Baoping^1,2, Ji Kefeng³

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Abstract

Based on the actual parameters of the drivetrain of a new 8 MW semi-direct-drive wind turbine, the electromechanical model of the drivetrain is established, by changing the control strategy, the anti-interference ability of the wind turbine drivetrain is enhanced and the transverse vibration of the components of the drivetrain is reduced. The results show that when the wind turbine is excited by change, under the variable coefficient sliding mode controller, the speed tracking effect of the generator rotor is better, the transverse vibration displacement of the mechanical parts is reduced significantly, and the mechanical frequency of the generator current and the electromagnetic torque is effectively suppressed.

Key words

wind turbines / dynamics / drivetrain / sliding mode control / electromechanical coupling

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Zhang Shijie, Wei Jing, Tang Baoping, Ji Kefeng. RESEARCH ON VIBRATION CONTROL OF WIND TURBINES BASED ON VARIABLE COEFFICIENT SLIDING MODE CONTROLLER[J]. Acta Energiae Solaris Sinica. 2023, 44(5): 407-415 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0022

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