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

Author

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

Author_Institution

Dept. of Elec., Comput. & Syst. Eng., Oviedo Univ., Spain

Volume

2

fYear

2004

Firstpage

1305

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). Analysis 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; parameter estimation; rotors; voltage measurement; AC machine sensorless control; carrier signal frequency; flux position estimation; flux-dependent saliency tracking; rotor position estimation; rotor-position-dependent saliency tracking; saturation-induced saliency decoupling; voltage measurement; zero sequence carrier signal voltage; AC machines; Current measurement; Electric variables measurement; Frequency estimation; Frequency measurement; Inverters; Rotors; Signal analysis; Stators; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Industry Applications Conference, 2004. 39th IAS Annual Meeting. Conference Record of the 2004 IEEE

ISSN

0197-2618

Print_ISBN

0-7803-8486-5

Type

conf

DOI

10.1109/IAS.2004.1348582

Filename

1348582