Abstract
SUMMARYIn this paper, a novel design for a tubular linear reluctance motor (TLRM) has been developed. This paper presents a novel structure to enhance magnetic force and velocity in TLRM. The new structure is accomplished through some changes in TLRM, which result in a step winding structure. For dynamic modeling of the proposed TLRM and obtaining the motor output characteristics, it is necessary that the inductance profile is calculated with a good accuracy. This paper represents a study of step winding inductance in every plunger positions in TLRMs with open‐type magnetic circuits. Electromagnetic finite element analysis is used for proposed motor simulation and coil inductance calculation. Moreover, inductance of a prototype novel TLRM was measured with experimental methods. Simulation results of coil inductance calculation using three‐dimensional finite element method with coil current excitation are compared with theoretical and experimental results. The comparison yields a good agreement. Copyright © 2011 John Wiley & Sons, Ltd.
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