6533b853fe1ef96bd12adb33
RESEARCH PRODUCT
NON-LINEAR INDUCTOR CONTRIBUTION TO HARMONIC SPECTRUM IN POWER CONVERTERS
Daniele ScirèGiuseppe LulloGianpaolo Vitalesubject
Non-linear incuctorpower converterDC-DC converterpower inductornon-linear magneticSettore ING-INF/01 - Elettronicadescription
The paper investigates the harmonic content in DC/DC power converters where the inductor is operated in the non-linear region. This operation is often exploited to use lighter and cheaper inductors; as a drawback, an increasing number of harmonics is noticeable. A theoretical analysis is proposed. It is based on a polynomial model of the inductor used in a boost converter. Results are given by the spectra of the output voltage performed on a circuit prototype.
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