低速下转子磁链跟踪感应电机无速度传感器控制

ICEMS'2001. Proceedings of the Fifth International Conference on Electrical Machines and Systems (IEEE Cat. No.01EX501) Pub Date : 2001-08-18 DOI:10.1109/ICEMS.2001.971904

Dong Lei, Li Yongdong, Chai Jianyun, W. Wensen

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引用次数: 4

摘要

提出了一种在极低转速下(包括零转速)注入高频信号来估计感应电机转子磁链位置的新方法。在感应电机的末端注入高频波动信号，可以测量同步旋转参考系d轴和q轴之间的阻抗差。这种现象可以用感应电机的高频模型来解释，该模型以高频信号空间矢量为导向。因此，可以通过调谐高频信号的空间矢量来跟踪转子磁通角。实验结果验证了该算法对参数变化和负载变化的鲁棒性。

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Speed sensor-less control of an induction machine with rotor flux tracking at very low speed

This paper presents a novel method to estimate the rotor flux position of an induction machine by injecting a high frequency signal at very low speed, including zero speed. When the high frequency fluctuating signal is injected in the terminal of an induction machine, the difference of impedance between the d-axis and q-axis of the synchronous rotating reference frame can be measured. This phenomenon is explained by a high frequency model of the induction machine, which is oriented with a high frequency signal space vector. The rotor flux angle can thus be tracked by tuning the space vector of the high frequency signal. Experimental results are provided to verify that this algorithm is robust against parameters variations and load changes.

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来源期刊

ICEMS'2001. Proceedings of the Fifth International Conference on Electrical Machines and Systems (IEEE Cat. No.01EX501)

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