Abstract
This work aimed to develop a parameterized, two-dimensional field model of a switched reluctance motor (SRM). The main task of the developed model was to calculate the value of the electromagnetic torque for various positions of the rotor. Based on these calculations, the characteristics of the electromagnetic torque were determined depending on the position of the rotor angle φ for the current function I (T = f (φ, I)). Using the model, it was possible to additionally observe the phenomena occurring in the motor winding, e.g., distributions, isolines of magnetic potential, induction, and to calculate the values of the temperature. The parameterized structural elements that made up the entire model can be freely changed and, thus, the results for various structures can be obtained. Thanks to this, it was possible to evaluate and compare motor of different designs. To validate the model, measurements were conducted on real-scale reluctance motors, and families of electromagnetic torque characteristics were obtained for various design cases. The results received from the tested motors were juxtaposed with simulation results procured via the model. Based on this comparison, it was possible to determine the accuracy of the model’s operation.
Highlights
The switched reluctance motor (SRM) can be considered one of the simplest electric motors
This work aimedtotodevelop develop a parameterized,two-dimensional two-dimensionalfield fieldmodel modelofofa a switched reluctance motor for calculating the static torque, thermal effects, and other elecswitched for calculating calculatingthe thestatic statictorque, torque, thermal effects, other switchedreluctance reluctance motor motor for thermal effects, andand other electrical properties essential for
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Summary
The switched reluctance motor (SRM) can be considered one of the simplest electric motors. This motor consists of a stator and a rotor made of a package of electromagnetic sheets with prominent poles distributed around the circumference. The number of stator and rotor poles is even and different from each other (except for single-phase motors). On the opposite poles of the stator, there are coils connected to each other, which form an independent circuit called the phase band. SRM motors are characterized by a simple structure and the necessity to use a control system for the correct operation of the device. The advantages and disadvantages (features) of SRM motors are presented below:
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