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High Performance Frequency Converter Controlled Variable-Speed Wind Generator Using Linear-Quadratic Regulator Controller

机译:高性能变频器控制可变速度风力发生器使用线性二次调节器控制器

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摘要

This article proposes an optimal control strategy with a view to achieving the best performance of a wind energy conversion system (WECS). The optimal control strategy depends on the linear-quadratic regulator (LQR) algorithm, which provides fast convergence and less mathematical intricacy. The machine- and the grid-side converter/inverter are adjusted using the LQR controller. In this article, the system model and its control strategies are illustrated. Practical wind speed data are considered in this article for achieving realistic responses. The system performance is evaluated by comparing the results obtained using the LQR controller with that realized when the grey wolf optimizer algorithm-based optimized proportional-integral controllers are used, taken into account severe network disturbances. The simulation studies are extensively performed through the MATLAB/Simulink environment that prove the validity of the LQR controller for improving the performance of the WECS. The simulation results are compared with the experimental results for more validation.
机译:本文提出了最佳控制策略,以实现风能转换系统(WECS)的最佳性能。最佳控制策略取决于线性二次调节器(LQR)算法,其提供快速收敛和数学复杂性。使用LQR控制器调整机器和电网侧转换器/逆变器。在本文中,说明了系统模型及其控制策略。本文中考虑了实用风速数据,以实现现实的反应。通过将使用LQR控制器获得的结果进行比较来评估系统性能,当使用基于灰狼优化器算法的优化比例积分控制器时,通过实现了基于灰狼优化算法的优化比例积分控制器。通过MATLAB / SIMULINK环境广泛地执行模拟研究,该环境证明了LQR控制器的有效性以提高WECS的性能。将仿真结果与实验结果进行比较,以便更多验证。

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