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This paper proposes a position sensorless control scheme for an induction and permanent magnetic motor drive with output filter and transformer. The proposed method provides sufficient starting torque with controlled drive/motor current. In addition, transformer saturation is addressed. The sensorless starting scheme presented in this paper has been implemented in a commercial drive for deep well...
In recent years there has been increasing acceptance of position sensorless control in industrial products. This paper discusses the implementation and performance of a position sensorless permanent magnet synchronous motor (PMSM) control over the full speed range in a PMSM drive. Experimental results with a commercial drive which utilizes a sensorless scheme are presented in the paper.
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