Ld, Lq Inductance Computation of IPMSM by Magnetic Equivalent Circuit Tak-ing Leakage Flux and Magnetic Saturation Phenomenon into Account
Keywords:PMSM, V-shape, Magnetic Equivalent Circuit (MEC), Magnetic Saturation, Flux Leakage
The paper proposes the inductance calculation method in IPMSM using non-linear magnetic equivalent circuit. Analysis PMSM by magnetic equivalent circuit (MEC) greatly reduces computational cost compared to finite element method (FEM), but the accuracy also reduced significantly. We proposed the new MEC that increasing accuracy by including model of flux leakage phenomenon and magnetic saturation phenomenon. The proposed MEC is applied for IPMSM with V-shape magnet type. The results show that the difference between proposed method and FEM is less than 8%.
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