Three dimensional magnetic properties measurement of soft magnetic composite materials

Publication Type:
Journal Article
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society, 2012, 27 (9), pp. 160 - 165
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It is difficult for conventional one dimensional (1D) and 2D testing methods to analyze the magnetic properties of the magnetic materials comprehensively. A novel 3D magnetic properties testing method is studied in this paper, which can help to understand the magnetization process and analyze the core loss accurately. A 3D magnetic property tester was designed and 3D rotational magnetic properties measurement of the soft magnetic composite (SMC) materials under rotational excitations were carried out. Calibration and compensation of the novel B-H sensing coils and accurate calculation of the B and H vectors were also analyzed in detail. According to the experimental results, 3D magnetic hysteresis properties and core loss features are analyzed and discussed.
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