3-D Vector Magnetic Properties of SMC Material for Advanced Field Analysis of SMC Machine

University of New South Wales
Publication Type:
Conference Proceeding
Proceedings of Australasian Universities Power Engineering Conference, 2008, pp. 1 - 4
Issue Date:
Full metadata record
In a rotating electrical machine or the T-joints of a multiphase transformer, the magnetic flux is basically three dimensional (3-D) and rotational. This paper presents the 3-D vector magnetic properties of soft magnetic composite (SMC) materials for advanced field analysis of electromagnetic devices with SMC core, which is particularly developed for application of electrical machines with complex structure and 3-D flux. The 3-D magnetic reluctivity tensor is derived from the magnetic measurements on a cubic SMC sample by using a 3-D magnetic property tester. The tensor consists of both diagonal and offdiagonal terms and the latter account for the effect of rotating flux. Practical techniques for employing the vector magnetic properties in field analysis are reviewed and discussed.
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