Abstract

Dual Active Bridge (DAB) converters are an interesting solution for battery interfaces in storage systems for traction applications. Due to the environmental conditions and space limitations, the design of the transformer and cooling system is crucial for achieving a high power density. Therefore in this paper a detailed design of a transformer with integrated liquid cooling structure and high isolation voltage is presented. Analytical models for the design are presented and verified with FEM simulations and measurements on a prototype system.

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