A Measurement System for Power Inductors in Non-Linear Operating Conditions

被引：1

作者：

Ventimiglia, Marco ^{[1
]}

Scire, Daniele ^{[1
]}

Lullo, Giuseppe ^{[1
]}

Vitale, Gianpaolo ^{[2
]}

机构：

[1] Univ Palermo, Dept Engn, Palermo, Italy

[2] Natl Res Council Italy, ICAR, Inst High Performance Comp & Networking, Palermo, Italy

来源：

PROCEEDINGS OF 2021 IEEE 30TH INTERNATIONAL SYMPOSIUM ON INDUSTRIAL ELECTRONICS (ISIE) | 2021年

关键词：

nonlinear magnetics; inductance measurement; power inductors; saturation magnetization; DC-DC power converters; CORE; INDUCTANCE; CONVERTER;

D O I：

10.1109/ISIE45552.2021.9576289

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The exploitation of power inductors in switching converters outside the linear region requires detailed information on the magnetization curve that often is not included among those usually available on their datasheets. This paper proposes an automatic system in which the inductor is characterized in real operating conditions taking into account also the core temperature. It is based on a switching converter suitably controlled by a virtual instrument. The system was tested by retrieving the inductance vs current curves of two commercial inductors for core temperatures up to 105 degrees C, showing the different behaviors of the magnetization curves. Results are coherent with data given by manufacturers and provide a complete characterization of the inductors.

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页数：6

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