y18-446

Characterization of Non-linear Inductors Including Thermal Effects for
Power Applications

D. Scirè1, S. Rosato, G. Lullo and G. Vitale

2018/04/20

This paper focuses on the behavior of non-linear inductors employed in DC/DC switching converters considering the effects due to variations of both current and temperature. The characterization of the inductors is performed by a buck converter operated to stimulate the inductor under test by a constant current with superimposed a large signal. The measurements are carried out for several temperature values of the inductor. Data are automatically collected by a novel virtual instrument developed by the authors in LabVIEW® environment, aiming to obtain a polynomial based analytical model. The deep knowledge of the inductor model allows its design to be optimized improving the
power density of the converter.

D. Scirè1, S. Rosato1, G. Lullo1, and G. Vitale2
1. Departement of Engineering, University of Palermo, Italy
2. Institute of High Performance and Networking (ICAR), National Research Council (CNR), Palermo, Italy

Inductor modelling, partial saturation, roll-off region, losses and temperature rise, DC/DC converter.

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