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首页> 外文期刊>Electric power systems research >Reduced-order modeling approach for wind energy conversion systems based on the doubly-fed induction generator
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Reduced-order modeling approach for wind energy conversion systems based on the doubly-fed induction generator

机译：基于双馈诱导发电机的风能转换系统减少阶建模方法

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摘要

This work proposes a simplified model for the representation of positive-sequence and negative-sequence components in wind energy conversion systems (WECSs) based on the doubly-fed induction generator (DFIG). A thorough mathematical analysis is presented so that it is possible to derive an accurate model that can be used in time-domain simulations, aiming to reduce both complexity and computational burden. The results are also extensively compared with those obtained from a small-scale experimental prototype to validate the theoretical assumptions. It is effectively shown that the behavior of the stator currents is properly represented by the model when either unbalanced voltages or asymmetrical voltage sags come to occur in the WECS. It is also reasonable to state that the introduced approach is particularly useful for distinct studies involving the assessment of low voltage ride-through (LVRT) techniques.
机译：该工作提出了一种基于双馈感应发生器（DFIG）的风能转换系统（WECS）中正序和负序组件的表示的简化模型。 提出了一种彻底的数学分析，使得可以推导出可用于时域模拟的准确模型，旨在减少复杂性和计算负担。 结果也与从小规模实验原型获得的结果进行了广泛的，以验证理论假设。 有效地示出了当在WECS中发生不平衡电压或不对称电压凹陷时，模型适当地表示定子电流的行为。 在说明所引入的方法对于涉及评估低电压乘车（LVRT）技术的不同研究特别有用，这也是合理的。

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