Design, modeling and implementation of a novel pitch angle control system for wind turbine

Design, modeling and implementation of a novel pitch angle control system for wind turbine
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新型风力发电机桨距角控制系统的设计、建模和实现

DOI:
10.1016/j.renene.2015.03.042
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发表时间:
2015-09
期刊:
影响因子:
8.7
通讯作者:
Lei, Peng-fei
Lei, Peng-fei
中科院分区:
工程技术1区
文献类型:
--
作者:
Li, Wei;Gu, Ya-jing;Wang, Xiao-jun;Lei, Peng-fei

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提出了一种新型的桨距角控制系统,以平滑风力涡轮机的输出功率和传动系统转矩波动。该系统的特点是由一个外部开放的控制回路,以提高直接俯仰运动和一个内在的液压机械位置控制回路提供无传感器俯仰控制的好处。提出了一种实用的设计方法,并确定或优化了几个关键的设计参数。建立了变桨距控制系统的数学模型,并进行了稳定性分析和动态特性分析。对比实验结果验证了该系统在功率和转矩调节方面的有效性和效率。
A novel pitch angle control system is proposed to smooth output power and drive-train torque fluctuations for wind turbine. This system is characterized by an outer open control loop for enhancing the direct pitching motion and an intrinsic hydro-mechanical position control loop offering the benefit of sensor-less pitch control. A pragmatic design procedure is provided and several key design parameters are determined or optimized. Modeling, stability analysis and dynamic characteristics of this pitch control system are also presented. Comparative experimental results have validated the effectiveness and efficiency of this system in power and torque regulations.
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