Vol. 112

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2022-08-04

Iron Loss Calculation in Switched Reluctance Motor Based on Flux Integral Path Method

By Kuo Li, Aide Xu, Bing Leng, Yang Yang, and Jinghao Sun
Progress In Electromagnetics Research M, Vol. 112, 151-161, 2022
doi:10.2528/PIERM22061306

Abstract

In this paper, a new fast and accurate method, the Flux Integral Path (FIP) method, is proposed for switched reluctance motor (SRM) to analyze the iron loss. The magnetic flux generated by the stator poles is integrated over a period of time, then, the eddy current loss and the hysteresis loss of the whole SRM can be directly calculated by analyzing the path distribution of the flux closed loop without dividing the motor into four blocks (stator pole, stator yoke, rotor pole and rotor yoke). The concept of flux flow is introduced to calculate the eddy current loss, and the piecewise linear fitting of flux density curve in the period is used to approximate the differential and simplify the hysteresis loss calculation. The FIP method can be well applied to non-sinusoidal and nonlinear magnetic density of SRM because of the combination of Finite Element Analysis (FEA) simulation. Furthermore, the loss separation model and the Fast Fourier Transform (FFT) method were compared with the FIP method of the iron loss calculation, and the 2D FEA simulation results were used to verify the method proposed in this paper.

Citation


Kuo Li, Aide Xu, Bing Leng, Yang Yang, and Jinghao Sun, "Iron Loss Calculation in Switched Reluctance Motor Based on Flux Integral Path Method," Progress In Electromagnetics Research M, Vol. 112, 151-161, 2022.
doi:10.2528/PIERM22061306
http://jpier.org/PIERM/pier.php?paper=22061306

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