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Soft magnetic composite (SMC) material is a new soft magnetic material, now it is popular in the designing of permanent magnet machine where high operation frequency and 3-D flux path required, due to its advantages of low eddy current loss and magnetic isotropy.
By using the powder metallurgy technology and magnetic isotropy characteristic of the soft magnetic composite (SMC) material, various kinds of the complex structure permanent magnet synchronous machines (PMSMs) can be designed and fabricated easily e.g., axial-flux machine, claw pole machine (CPM) and transverse-flux machine (TFM) [1]-[4]. With the global coil applied in the CPM and TFM, the CPM and...
Soft magnetic composite (SMC) material is a relative new soft magnetic material which has undergone the substantial development during last decades. Especially with the low-pressure pressing on the mold, the magnetic core with SMC of the machine can be fabricated easily and the manufacture cost can be reduced greatly. By using this technology, a claw pole machine (CPM) with SMC core was designed and...
This paper presents a double-ladders circuit model of transformer winding for use in frequency response analysis (FRA) to diagnose the windings deformation. This model considers the nonlinear behavior of frequency-dependent parameter and core loss. A lumped parameter circuit model includes the axial and radial ladder network which are regarding to the winding discs and the eddy current paths of magnetic...
This paper presents a multidisciplinary design analysis method for permanent magnet (PM) motors with soft magnetic composite (SMC) cores. Firstly, a multidisciplinary design analysis process is investigated to evaluate the performance of these motors, which includes electromagnetic analysis (based on new core loss model), thermal analysis, and mechanical modal analysis. Then a lumped 3-D thermal network...
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