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首页> 外文期刊>Electric Power Components and Systems >Enhancing LVRT Capability and Smoothing Power Fluctuations of a DFIG-based Wind Farm in a DC Microgrid
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Enhancing LVRT Capability and Smoothing Power Fluctuations of a DFIG-based Wind Farm in a DC Microgrid

机译:增强直流微电网中基于DFIG的风电场的LVRT能力并消除功率波动

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摘要

Two primary challenges with a wind-turbine-based doubly-fed induction generator (DFIG) are low voltage ride-through capability and power fluctuations. To face with these challenges, in this paper, a new method using a superconducting magnetic energy storage (SMES) coil with fault current limiting function (SMES-FCL) is proposed. In this research, a previous configuration for a SMES-FCL is modified. In the modified topology, the number of components is minimized and a fuzzy-based controller (FC) with minimal rules for the SMES is suggested. Because of element minimization, the proposed method has a less implementation cost. Also, using the FC in the SMES leads to high accuracy and robustness, and a fast transient of the control system. The efficiency of the proposed method is supported by extensive simulations in MATLAB/Simulink.
机译:基于风力涡轮机的双馈感应发电机(DFIG)面临的两个主要挑战是低压穿越能力和功率波动。面对这些挑战,本文提出了一种使用具有故障电流限制功能的超导磁储能线圈的新方法。在这项研究中,对SMES-FCL的先前配置进行了修改。在修改后的拓扑中,组件的数量被最小化,并提出了针对SMES的规则最少的基于模糊的控制器(FC)。由于元素最小化,所提出的方法实现成本较低。而且,在SMES中使用FC会导致高精度和鲁棒性,以及控制系统的快速瞬变。 MATLAB / Simulink中的大量仿真支持了所提出方法的效率。

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