Integrated structure and maximum power point tracking control design for wind turbines based on degree of controllability

Integrated structure and maximum power point tracking control design for wind turbines based on degree of controllability
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基于可控度的风电机组一体化结构及最大功率点跟踪控制设计

DOI:
10.1177/1077546318783363
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发表时间:
2018-06
影响因子:
2.8
通讯作者:
Zou Yun
Zou Yun
中科院分区:
工程技术3区
文献类型:
--
作者:
Xia Yaping;Yin Minghui;Li Ruiyu;Liu De;Zou Yun

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建立了由叶片和传动系组成的三叶片水平轴风力机的线性化模型。通过数值模拟,讨论了风力机的可控度(DOC)和最大功率点跟踪(MPPT)效率对结构参数的敏感性分析。仿真结果表明,随着DOC的增加,MPPT效率也会提高。在此基础上,本文提出了一种新的基于DOC的集成设计方法来设计和优化飞机的结构参数。利用商业风力机仿真软件Bladed对所设计的风力机进行了测试。仿真结果表明,在相同的MPPT控制策略下,优化结构参数使DOC值更大的风力机可以获得更高的MPPT性能。
A linearization model is obtained for a three-bladed horizontal-axis wind turbine (HAWT) consisting of blades and a drive-train. Sensitivity analysis of the degree of controllability (DOC) and maximum power point tracking (MPPT) efficiency with respect to the structural parameters of wind turbines is discussed by numerical simulations. It is observed from the simulation results that higher MPPT efficiency can be achieved with the increase of DOC. Based on the observation, this paper proposes a new integrated design method based on DOC to design and optimize the structural parameters of a HAWT. The designed turbine is tested by the commercial simulation software of wind turbines named Bladed. It is observed from simulations that when using the identical MPPT control strategy, the wind turbine whose structural parameters are optimized for a larger value of DOC can achieve higher MPPT performance.
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