Active damping control for drive train of horizontal-axis tidal current turbines

被引：0
|
作者：
Li Y.-J. [1 ]
He W. [1 ]
Liu H.-W. [1 ]
Li W. [1 ]
Lin Y.-G. [1 ]
Gu Y.-J. [1 ]
机构：
[1] State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou
来源：
Zhejiang Daxue Xuebao (Gongxue Ban)/Journal of Zhejiang University (Engineering Science) | 2020年 / 54卷 / 07期
关键词：
Damping control; Load control; Modal analysis; Tidal current turbine; Transmission system;
D O I：
10.3785/j.issn.1008-973X.2020.07.014
中图分类号：
学科分类号：
摘要：
An active damping controller was designed based on previous research in wind energy in order to minimize the resonant torsional oscillations of the weakly damped transmission system of tidal current turbines. The proposed method of active damping strategy added the compensation torque in opposite direction to the speed deviation. The poles of drivetrain system moved away from imaginary axes which indicated that the equivalent damping increased to reduce the resonant torsional load. Multibody system method and finite element analysis were used to identify the parameters of gearbox system in order to obtain the accurate low order torsional modes of transmission system. The theoretical result of the drivetrain resonant frequency was experimentally verified by an onshore experiment. A simulation model for a 650 kW tidal current turbine was constructed in Matlab/Simulink. A substitution sea trial experiment in low current speed condition was conducted to validate the feasibility of proposed active damping. © 2020, Zhejiang University Press. All right reserved.
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页码：1355 / 1361
页数：6
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