Finite Element Analysis of Modular Pulse Width Modulation Converters with JAMG Software
DOI:
https://doi.org/10.2478/ecce-2013-0014Keywords:
Pulse width modulation converters, electronics packaging, electromagnetic interference, finite element analysisAbstract
The paper is devoted to half-bridge versatile power modules which can compose various converters. Successful use of such modules is possible if their construction is optimal from the electromagnetic and thermal points of view. The first purpose can be achieved utilizing bus-bars in the system of conductors. This ensures reduction of stray inductance, losses and module dimensions, as well as increase of switching frequency. Calculation of stray inductances is not an easy task which, however, can be successfully done with dedicated Finite Element Method (FEM) calculation software, for example JMAG. It can also be used for thermal calculations. In the given paper this method is applied to the analysis of a novel optimized design of the half-bridge module with concentrated DC-bus capacitors. The benefits of the module are shown with the help of simulation as well as experimentally. It is, however, stated that physical parameters of the module could be improved by splitting the DCbus capacitors. The obtained design is more compact, but, as it was verified by means of simulation, also attractive from other points of view (EMC, voltage spikes, losses etc.). This design, therefore, can be recommended for future research.References
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Copyright (c) 2013 Ilya Galkin, Sergey Burtovoy, Andrew Stepanov (Author)
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