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Mission-Profile Based Reliability Framework for Medium-Frequency Transformers
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| Author(s) |
Ahmed MELIGY, Rafael COELHO-MEDEIROS, Ilknur COLAK, Seddik BACHA |
| Abstract |
This paper presents a theoretical framework for assessing the reliability of medium frequency transformers by dividing their structure into dielectric regions and forecasting its lifetime based on mission profiles. The framework incorporates both random failure and wear-out analysis to provide reliability estimates, highlighting specific failure mechanisms associated with high-frequency switching and insulation stresses. A case study of a 200 kW, 15 kHz dual active bridge converter is presented to demonstrate the proposed methodology. The derived lifetime distribution can support the design of the medium-frequency transformer and help evaluate the related risk of unreliability. |
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| Filename: | 0095-epe2025-full-10141749.pdf |
| Filesize: | 1.52 MB |
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| Type |
Members Only |
| Date |
Last modified 2025-08-31 by System |
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