Rotor parameter determination for the Brushless Doubly Fed (Induction) Machine (BDFM)

Richard McMahon, Paul Roberts, Mark Tatlow, Ehsan Abdi, Alex Broekhof, Salman Abdi Jalebi

    Research output: Contribution to journalArticlepeer-review

    17 Citations (Scopus)


    A procedure has been established for obtaining equivalent circuit parameters for the Brushless Doubly Fed Machine (BDFM), also known as the Brushless Doubly Fed Induction Machine (DFIM), by transforming a reduced coupled-circuit model into a sequence component form. This approach takes advantage of the model reduction procedure’s ability to reduce a complex rotor structure to a single equivalent loop without significant loss of accuracy. An alternative method based on winding factors has also been developed and includes coupling via harmonic fields. Parameters determined in both ways are in close agreement with those determined from Finite Element Analysis (FEA) and experimentally. The advantages of each method is discussed in the conclusion section.
    Original languageEnglish
    Pages (from-to)549-555
    Number of pages7
    JournalIET Electric Power Applications
    Issue number8
    Publication statusPublished - Jun 2015


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