Dynamic modeling of switched reluctance motors (SRMs) is usually done on a per-phase basis. However, in most applications, SRMs are used with simultaneous excitation of more than one phase. Thus, a model accounting for mutual coupling in the presence of magnetic saturation is needed to predict and optimize their performance in terms of efficiency and torque ripple. This paper presents a dynamic two-phase excitation model of the SRM. Motor symmetry is used to reduce the amount of flux linkage data needed for the model. An experimental procedure to obtain the flux linkage data is described. Measured flux linkage data for the 8/6 SRM are also included. Details of the simulation model and comparison with experimental waveforms along with their implications for performance prediction are presented.
Bibliographical noteFunding Information:
Manuscript received November 18, 2004; revised June 13, 2005. Abstract published on the Internet May 18, 2006. This work was supported by the Office of Naval Research under Grant N00014-03-1-0153. A. K. Jain is with Peregrine Power LLC, Wilsonville, OR 97070 USA (e-mail: email@example.com). N. Mohan is with the Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN 55455-0170 USA (e-mail: firstname.lastname@example.org). Digital Object Identifier 10.1109/TIE.2006.878310
- Dynamic modeling
- Experimental characterization
- Switched reluctance motor (SRM)
- Two-phase excitation