Abstract
This work presents a design and optimization method of the five-level current source converter magnetics components, this is a contribution of this work, since the magnetics volume information of this topology lacks in the literature. The magnetics components are: the interphase transformers, the input and the output filter inductors. The converter volume is minimized when the magnetic components multi-domain optimization is done. The inductance values are defined with given constraints such as Electromagnetic Compatibility standards for differential mode filters, conduction and switching losses of the semiconductors and maximum current variation. This optimization is shown for two different converter switching frequencies: 45 kHz and 150 kHz. The copper losses, iron losses and temperature rise are calculated and used for selecting the smallest volume of each magnetic component with given specifications. A 6-kW prototype with the optimized magnetics was constructed
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