Impact of Transformer Design on Flyback Converter Voltage Spikes

Edvardas Bielskis, Algirdas Baskys, Martynas Sapurov

Abstract


The transformer design impact on voltage spikes, which arise on the drain of flyback converter MOSFET switch transistor, has been investigated. The special experimental model of flyback transformer was developed. The impact of transformer core air gap, windings design and windings position in transformer bobbin on the voltage spikes was investigated. The ways for reduction of voltage spikes by variation of transformer design were estimated.

DOI: http://dx.doi.org/10.5755/j01.eie.22.5.16345


Keywords


Flyback transformer; leakage inductance; voltage spikes; air gap

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Print ISSN: 1392-1215
Online ISSN: 2029-5731