Experimental and Simulation Modeling Studies of Magnetic Properties of Ni-Zn Ferrite Cores under DC Bias

概要

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Ni-Zn ferrite cores under dc bias are experimentally characterized, and the results are compared with those of simulation. Hysteretic behavior of a toroidal core at high frequencies and the effect of dc bias are well reproduced by simulation with a hysteresis model that we have developed recently, a grain magnetics (GM) model. The inductance and core loss of a wirewound inductor under high-frequency excitation with dc bias are also measured. We show that the finite element analysis with the hysteresis model provides simulation results close to the experimental data of the inductor.
一般社団法人粉体粉末冶金協会の論文