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Medium frequency transformer in resonant switching dc/dc-converters for railway applications

By: Hoffmann, H.; Piepenbreier, B.;

2011 / IEEE / 978-90-75815-14-6

Description

This item was taken from the IEEE Conference ' Medium frequency transformer in resonant switching dc/dc-converters for railway applications ' A converter system based on medium frequency dc/dc-converters can replace the conventional traction transformer saving both mass and energy. A medium-frequency-transformer design-procedure is introduced that allows a clear representation of transformers total mass and efficiency under consideration of thermal aspects. Measurements with a prototyped mf-transformer verify the calculated results.