Rotor position estimation of AC machines using the zero-sequence carrier-signal voltage

Author

Briz, Fernando ; Degner, Michael W. ; García, Pablo ; Guerrero, Juan Manuel

Author_Institution

Dept. of Electr., Comput., & Syst. Eng., Univ. of Oviedo, Gijon, Spain

Volume

41

Issue

6

fYear

2005

Firstpage

1637

Lastpage

1646

Abstract

This paper analyzes the sensorless control of ac machines based on the zero-sequence voltage generated by the injection of a carrier-signal voltage. The analysis focuses on rotor position estimation (tracking of rotor-position-dependent saliencies), but the methods discussed apply equally to flux position estimation (tracking of flux-dependent saliencies). Analyses of relevant aspects like selection of the carrier-signal frequency, measurement of the zero-sequence carrier-signal voltage, and decoupling of saturation-induced saliencies are included.

Keywords

AC machines; machine control; rotors; AC machines sensorless control; flux position estimation; rotor position estimation; saturation-induced saliencies; zero-sequence carrier signal voltage; AC generators; AC machines; Current measurement; Electric variables measurement; Frequency measurement; Industry Applications Society; Inverters; Rotors; Sensorless control; Voltage; Rotor position estimation; saliency-based sensorless control; zero-sequence voltage;

fLanguage

English

Journal_Title

Industry Applications, IEEE Transactions on

Publisher

ieee

ISSN

0093-9994

Type

jour

DOI

10.1109/TIA.2005.857469

Filename

1542318