Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/27873
Title: A polymer-bonded magnetic core for high-frequency converters
Authors: Wang, W
Cheng, KWE 
Ding, K
Chan, TF
Issue Date: 2012
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on magnetics, 2012, v. 48, no. 11, p. 4328-4331 How to cite?
Journal: IEEE transactions on magnetics 
Abstract: This paper presents a polymer-bonded magnetic core (PBMC) for high-frequency converters. The material of the magnetic core is composed of polymer matrices and special magnetic powder. With these materials, lightweight, nonbrittle, low-cost magnetic cores can be produced with flexible shapes and different dimensions. The magnetic field of an EI-type PBMC used for fly-back converter is obtained using two dimensional (2-D) finite element analysis (FEA). The detailed energy conversion process is studied with 2-D, direct-coupled field-circuit, and time-stepping FEA. The electromagnetic power conversion of the converter is illustrated with circuit and field analysis result. A 100 W fly-back converter is implemented with a novel-developed PBMC. The analysis is verified by experimental results, and the application feasibility is validated with the PBMCs for power conversion.
URI: http://hdl.handle.net/10397/27873
ISSN: 0018-9464
EISSN: 1941-0069
DOI: 10.1109/TMAG.2012.2197597
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