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基于转矩伪微分反馈的风轮机动静态特性模拟

, PP. 116-125

Keywords: 风轮机模拟,加速度反馈,伪微分反馈,滤波延迟

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Abstract:

在分析风轮机数学模型的基础上,对常用的基于加速度反馈实现转矩补偿的风轮机模拟方法进行了简要分析,分析表明该方法由于滤波器的引入使得加速度的求取存在延迟,导致补偿转矩产生滞后,模拟的准确性降低。为提高风轮机模拟系统模拟的准确性,提出了一种基于转矩伪微分反馈的新型风轮机模拟方法。阐述了所提出的基于转矩伪微分反馈的新型风轮机模拟方法的实现原理,该方法避免了滤波器的引入,解决了补偿转矩滞后的问题。对基于加速度反馈和基于转矩伪微分反馈的两种模拟方法下补偿转矩的频域特性进行了对比研究。最后利用RT-LAB实时控制器构成风轮机模拟系统进行了实验研究,验证了所提出风轮机模拟控制策略的有效性。

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