Determining the Rotor Position of the Synchronous Motor in a Vector-Impulse Start Mode

S.N. Baskov, K.V. Litsin

Abstract


This article discusses a method for sensorless determining the angular position rotor synchronous motors. It is known that there are difficulties in determining the angular position of the rotor in low speed range. Method using a high-frequency voltage injection, which allows to solve this problem is proposed in this article. The high-voltage signal processing circuit is examined and described in detail. A comparative analysis of the angular position of the rotor of a synchronous motor and the proposed sensorless method using a mechanical encoder is made. The obtained results suggest the possibility of using this method in the various systems of the drive.

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References


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DOI: http://dx.doi.org/10.24892/RIJEE/20140106

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