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A Flux Observation Model of Induction Motor Based on Stator Flux Oriented Vector Control
Author(s): 
Pages: 30-34
Year: Issue:  6
Journal: TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY

Keyword:  异步电机矢量控制定子磁场定向磁链观测;
Abstract: 对比了常用的几种异步电机定子磁链的观测方法,针对纯积分环节及一阶惯性环节模型的直流偏置和相移问题,以及低速下磁链电压模型观测结果受定子电阻变化影响较严重的问题,引入了电流模型对电压模型进行补偿,提出了一种基于截止频率及增益可变的串联低通滤波器的新型电压-电流磁通观测模型.仿真及实验结果表明,该模型在较宽的调速范围内具有较好的磁链估计效果及对定子电阻变化的鲁棒性.
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