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Erschienen in:
2007 | OriginalPaper | Buchkapitel
Techniques to Reduce the Equivalent Parallel Capacitance for EMI Filters Integration
verfasst von : Adina Racasan, Calin Munteanu, Vasile Topa, Claudia Racasan
Erschienen in: Scientific Computing in Electrical Engineering
Verlag: Springer Berlin Heidelberg
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One of the major goals in designing of the integrated EMI filters is to improve their highfrequency characteristics. To achieve this, special technologies need to be developed, including the mechanisms for suppression of the equivalent parallel capacitance (EPC) and of the equivalent series inductance (ESL), in spite of increasing the high-frequency losses. In this light, the main goal of the paper is to develop and analyse the effectiveness of several EPCreducing technologies. The study is performed using the numerical analysis software Maxwell Q2D Extractor that is able to give at the end of the numerical analysis process the values of the lumped per-unit-length capacitance or inductance of the geometrical structure proposed. There are calculated the EPC of the four single winding structures and of the coupled windings.