Calculation of Leakage Inductance for High Frequency Transformers

Ziwei Ouyang, Zhang Jun, William Gerard Hurley

    Research output: Contribution to journalJournal articleResearchpeer-review


    Frequency dependent leakage inductance is often observed. High frequency eddy current effects cause a reduction in leakage inductance. The proximity effect between adjacent layers is responsible for the reduction of leakage inductance. This paper gives a detailed analysis of high frequency leakage inductance and proposes an accurate prediction methodology. High frequency leakage inductances in several interleaved winding configurations are also discussed. Interleaved winding configurations actually give a smaller degree of reduction of leakage induction at high frequency. Finite Element Analysis (FEA) simulation and measurement validate the models.
    Original languageEnglish
    JournalIEEE Transactions on Power Electronics
    Issue number10
    Pages (from-to)5769-5775
    Publication statusPublished - 2015


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