A New Decoupled Analytical Modeling Method for Switched Reluctance Machine

Author

Shoujun Song ; Man Zhang ; Lefei Ge

Author_Institution

Sch. of Autom., Northwestern Polytech. Univ., Xi´an, China

Volume

51

Issue

3

fYear

2015

fDate

Mar-15

Firstpage

1

Lastpage

4

Abstract

This paper proposes a new decoupled analytical modeling method for switched reluctance machine (SRM). The flux linkage is represented by a second-order Fourier series, and the coefficients of the series are position dependent, which can be further expressed by another second-order Fourier series. The proposed method only needs 21 data points from five rotor positions. Then, the static torque characteristics are analytically obtained based on the expression of the flux linkage. The accuracy of the method is verified by comparing the calculated flux-linkage and static torque characteristics with those from measurements. With the calculated flux-linkage and static torque data, the dynamic performance of SRM is simulated under both motoring and generating mode. The simulation results, such as phase current and mechanical characteristics, agree well with those from the experiment, which further proves the effectiveness of the proposed method.

Keywords

Fourier series; reluctance machines; rotors; SRM; decoupled analytical modeling method; flux linkage; mechanical characteristics; phase current characteristics; rotor positions; second-order Fourier series; static torque characteristics; switched reluctance machine; Current measurement; Fourier series; Mathematical model; Reluctance motors; Rotors; Torque; Decoupled analytical model; Fourier series; dynamic performance; flux linkage; switched reluctance machine (SRM);

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2014.2363214

Filename

7093579