This paper deals with the modelling of ferrite inductors considering weak saturation operating conditions. The proposed methodology is based on a parametric representation of the magnetic characteristic of the inductor that is optimized through a double-step identification/optimization algorithm. The obtained magnetic characteristic is applied in a simulator to compute the inductor current. To demonstrate the effectiveness of this approach the inductor is tested in a DC-DC buck power converter. Two experimental cases are presented: the former regarding a low voltage, low current, MOSFETs buck converter; the second case regarding a 110W GaN-based buck converter up to 1MHz.

Saturable Ferrite Inductor Parameters Obtained through a Double Step Optimization / Solimene, L.; Musumeci, S.; Ragusa, C.. - ELETTRONICO. - (2020), pp. 1-6. ((Intervento presentato al convegno 55th International Universities Power Engineering Conference, UPEC 2020 tenutosi a Turin (Italy) nel 2020 [10.1109/UPEC49904.2020.9209887].

Saturable Ferrite Inductor Parameters Obtained through a Double Step Optimization

Solimene L.;Musumeci S.;Ragusa C.
2020

Abstract

This paper deals with the modelling of ferrite inductors considering weak saturation operating conditions. The proposed methodology is based on a parametric representation of the magnetic characteristic of the inductor that is optimized through a double-step identification/optimization algorithm. The obtained magnetic characteristic is applied in a simulator to compute the inductor current. To demonstrate the effectiveness of this approach the inductor is tested in a DC-DC buck power converter. Two experimental cases are presented: the former regarding a low voltage, low current, MOSFETs buck converter; the second case regarding a 110W GaN-based buck converter up to 1MHz.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11583/2877508