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首页> 外文期刊>Energy Conversion, IEEE Transactions on >A Speed-Adaptive Reduced-Order Observer for Sensorless Vector Control of Doubly Fed Induction Generator-Based Variable-Speed Wind Turbines
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A Speed-Adaptive Reduced-Order Observer for Sensorless Vector Control of Doubly Fed Induction Generator-Based Variable-Speed Wind Turbines

机译:基于双馈感应发电机的变速风力发电机无传感器矢量控制的速度自适应降阶观测器

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摘要

In this paper, a speed-adaptive reduced-order observer for sensorless vector control of doubly fed induction generators (DFIGs) is proposed. The observer is a simulation of the rotor current dynamic model with feedback of the estimation error and a speed-adaptation loop. Feedback and adaptation gains are designed based on the closed-loop observer model. A parameter sensitivity analysis reveals that this observer is robust against machine parameter variations in the normal operating regions. Simulation results demonstrate desired steady-state and dynamic performance of this sensorless control approach for DFIG-based variable-speed wind turbines.
机译:在本文中,提出了一种用于双馈感应发电机(DFIG)的无传感器矢量控制的速度自适应降阶观测器。观察者是对转子电流动态模型的仿真,带有估计误差的反馈和速度自适应环路。反馈和自适应增益是基于闭环观测器模型设计的。参数敏感性分析表明,该观察者对于正常工作区域中的机器参数变化具有鲁棒性。仿真结果表明,这种无传感器控制方法对基于DFIG的变速风力涡轮机具有理想的稳态和动态性能。

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