TRANSDUCERLESS POSITION AND VELOCITY ESTIMATION IN INDUCTION AND SALIENT AC MACHINES

被引:621
作者
JANSEN, PL [1 ]
LORENZ, RD [1 ]
机构
[1] UNIV WISCONSIN,DEPT ELECT & COMP ENGN,MADISON,WI 53706
基金
美国国家科学基金会;
关键词
Paper IPCSD 94-82; approved by the Industrial Drives Committee of the IEEE Industry Applications Society for presentation at the 1994 Industry Applications Society Annual Meeting; Denver; CO; October 2-7. This work received financial support by the National Science Foundation (NSF) and the Wisconsin Electric Machines and Power Electronics Consortium (WEMPEC) of the University of Wisconsin-Madison. Manuscript released for publication October 27; 1994. P. L. Jansen is with MK Rail Corporation; Boise; ID 83706 USA. R. D. Lorenz is with the Department of Electrical and Computer Engineering; University of Wisconsin; Madison; WI 53706-1572 USA. IEEE Log Number 9408 18 1;
D O I
10.1109/28.370269
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper presents a viable transducerless rotor position and velocity estimation scheme for PWM inverter driven induction, synchronous, and reluctance machines with the capability of providing robust and accurate dynamic estimation independent of operating point, including zero and very high speeds, light and heavy loading, The injection of a balanced three-phase high frequency signal (500 to 2 kHz) generated by the inverter, followed by appropriate signal demodulation and processing combined with a closed-loop observer, enable the tracking of rotor magnetic saliencies from the machine terminals. Although rotor magnetic saliency is inherent within reluctance machines, and most synchronous machines, saliency in the induction machine is introduced via a modulation of the rotor slot leakage with minimal detrimental effects on the machine performance, Experimental verification for the induction machine is included.
引用
收藏
页码:240 / 247
页数:8
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