Effect of inductance parameters on the rotor position estimation for IPMSM

被引：0
|
作者：
Yu, Yan-Jun [1 ]
Chai, Feng [1 ]
Gao, Hong-Wei [1 ]
Cheng, Shu-Kang [1 ]
机构：
[1] School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China
来源：
Dianji yu Kongzhi Xuebao/Electric Machines and Control | 2014年 / 18卷 / 07期
关键词：
Cross-couplings - D-and q-axis inductance - High-frequency voltage - Interior permanent magnet synchronous machine - Interior permanent magnet synchronous motor - Rotor position estimation - Saturation saliency - System simulation models;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
At low or zero speed, sensorless control of interior permanent magnet synchronous machines (IPMSM) can be achieved using the difference between d-and q-axis inductances based on high frequency voltage injection. The d-and q-axis inductances are changed caused by the stator currents variation, and then the accuracy of the rotor position estimation is affected by the changing inductances. A rotor position estimation method based on PWM carrier frequency component was presented. Taking the 12-slot-10-pole IPMSM prototype as an example, the influence of the saturation saliency and cross coupling saliency on inductance parameters and the position estimation were investigated. The IPMSM model was established considering magnetic saturation and cross coupling saliency, and then the system simulation model and experimental platform were built. The simulation and experimental results prove the correctness of the theoretical analysis.
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页码：60 / 64
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