Sie befinden Sich nicht im Netzwerk der Universität Paderborn. Der Zugriff auf elektronische Ressourcen ist gegebenenfalls nur via VPN oder Shibboleth (DFN-AAI) möglich. mehr Informationen...
Eddy current losses in SMPS transformers round wire windings: a semi-analytical closed-form formula
Ist Teil von
2005 European Conference on Power Electronics and Applications, 2005, p.9 pp.-P.9
Ort / Verlag
IEEE
Erscheinungsjahr
2005
Quelle
IEEE Xplore (IEEE/IET Electronic Library - IEL)
Beschreibungen/Notizen
We provide a new closed-form formula that instantly calculates the 2D high-frequency ohmic losses (skin and proximity effects) in round wire windings. It has been obtained by overwriting the classical definition (shown to be erroneous) of the layer copper factor introduced in 1D analytical theories. Compared to similar previous formulas, the average error is divided by a factor of thousand. Experimental validation is provided