Insulated Medium Frequency Transformer

Designing a Compact Dry Insulated MFT Prototype for Medium Voltage Applications

Best Paper Award 2023 Cover_Martin Guillet

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Medium voltage solid state transformers with a modular structure require compact insulated medium frequency transformers with high efficiency to be an attractive solution.

This paper describes the design, prototyping and test of a cast resin 12 kV class insulated medium frequency transformer with more than 99.5% efficiency and more than 5kW/L power density. Dielectric performances are demonstrated experimentally. An accurate measurement method for the losses as well as a full load test method are also presented.

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SuperGrid Institute