Nonlinear Power Inductors for Large Current Crest Factors | Zendy

Alexander Stadler | Zendy; Tobias Stolzke | Zendy; Christof Gulden | Zendy

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Nonlinear Power Inductors for Large Current Crest Factors

Author(s) -

Alexander Stadler,

Tobias Stolzke,

Christof Gulden

Publication year - 2013

Publication title -

journal of engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.244

H-Index - 20

eISSN - 2314-4912

pISSN - 2314-4904

DOI - 10.1155/2013/687581

Subject(s) - inductor , inductance , crest factor , nonlinear system , finite element method , power (physics) , electronic engineering , photovoltaic system , power factor , engineering , electrical engineering , computer science , physics , voltage , structural engineering , quantum mechanics

A practical method is presented: how to adjust the inductance curve of a nonlinear (saturable) inductor with respect to a desired shape. For this purpose, a nonlinear model was developed based on finite element method (FEM). It is shown how a highly efficient construction with low stray fields and maximum package density can be achieved. Different prototype inductors were realized to illustrate the practical capability of photovoltaic (PV) inverters as well as active power factor correction (PFC) applications. All simulations are verified by means of experimental data drawn from electrical measurements

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