基于速度自适应全阶磁链观测器的双馈风力发电机无传感器控制

2009 Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition Pub Date : 2009-03-21 DOI:10.1109/APEC.2009.4802940

Sheng Yang, V. Ajjarapu

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引用次数: 5

摘要

提出了一种用于双馈感应发电机(DFIGs)无传感器矢量控制的速度自适应全阶磁链观测器。观测器是DFIGs全阶电模型的仿真，带有转子电流估计误差反馈和速度自适应回路。基于稳定性分析选择观测器增益，并通过线性化闭环观测器模型进行验证。仿真结果表明，该无传感器控制方法对基于dfig的变速风力发电机组具有良好的稳态和动态性能。

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Sensorless Control of the Doubly-Fed Induction Generator for Wind Energy Generations Using a Speed-Adaptive Full-Order Flux Observer

In this paper, a speed-adaptive full-order flux observer for sensorless vector control of doubly-fed induction generators (DFIGs) is proposed. The observer is a simulation of the full-order electrical model of DFIGs with feedback of the rotor current estimation error and a speed adaptation loop. The observer gains are selected based on a stability analysis and validated by the linearized closed-loop observer model. Simulation results demonstrate desired steady-state and dynamic performance of this sensorless control approach for DFIG-based variable speed wind turbines.

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2009 Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition

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