Core Losses Under the DC Bias Condition Based on Steinmetz Parameters Muhlethaler, J. ; Biela, J. ; Kolar, J. W. ; Ecklebe, A. Abstract Publication: IEEE Transactions on Power Electronics Pub Date: February 2012 DOI: 10.1109/TPEL.2011.2160971 Bibcode: 2012ITPE...27..953M