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Robust active disturbance rejection controller design to improve low-voltage ride-through capability of doubly fed induction generator wind farms

机译:鲁棒的有源干扰抑制控制器设计,可提高双馈感应发电机风电场的低压穿越能力

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摘要

This study presents the design of a robust active disturbance rejection (ADR) controller in order to improve low-voltage ride-through (LVRT) capability of wind farms connected with doubly fed induction generator (DFIG). The ADR controller is particularly effective in real-time estimation and mitigation of the total effect of various uncertainties against a wide range of parameter variations, model uncertainties and large disturbances. The performance evaluation of the designed controller is performed on an IEEE system under different test cases. The simulation results show that the proposed controller is robust against uncertainties in operating conditions and successfully improves the damping and voltage stability and thus the LVRT capability of DFIGs.
机译:这项研究提出了一种鲁棒的主动抗干扰(ADR)控制器的设计,以提高与双馈感应发电机(DFIG)连接的风电场的低压穿越(LVRT)能力。 ADR控制器在各种参数不确定性,模型不确定性和较大干扰的实时估计和各种不确定性总影响的缓解方面特别有效。在不同的测试案例下,在IEEE系统上对设计的控制器进行性能评估。仿真结果表明,所提出的控制器具有鲁棒性,可抵抗运行条件中的不确定性,并成功地改善了DFIG的阻尼和电压稳定性,从而提高了其低压降(RTRT)能力。

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