Proyecto de Inductores con Toroides de Ferrita (Ferrite Toroidal Inductor Design)

Hernán Emilio Tacca (

Universidad de Buenos Aires
This paper appears in: Revista IEEE América Latina

Publication Date: Dec. 2009
Volume: 7,   Issue: 6 
ISSN: 1548-0992

A non iterative method for toroidal inductor design is proposed introducing an equation for fast estimation of the core size required as function of the wanted inductance and the maximum values specified for induction and current. The core volume obtained may be compared with the one required for air gap core implementation, in order to assess an eventual over sizing of the selected core. By this way, a simple and fast tool for inductor design allows to decide between manufacture alternatives, material adoption or to foresee board room in converter design. Moreover, the proposed procedure allows a material change tolerant design shown in a filter inductor design example.

Index Terms:
inductors, toroids, power converters, power electronics   

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