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Article Dans Une Revue Energies Année : 2021

Investigating the Shielding Effect of Pulse Transformer Operation in Isolated Gate Drivers for SiC MOSFETs

Résumé

Wide-bandgap technology evolution compels the advancement of efficient pulse-widthgate-driver devices. Integrated enhanced gate-driver planar transformers are a source of electromagneticdisturbances due to inter-winding capacitances, which serve as a route to common-mode(CM) currents. This paper will simulate, via ANSYS Q3D Extractor, the unforeseen parasitic effectsof a pulse planar transformer integrated in a SiC MOSFET gate-driver card. Moreover, the pulsetransformer will be ameliorated by adding distinctive shielding layers aiming to suppress CM noiseeffects and endure high dv/dt occurrences intending to validate experimental tests. The correlationbetween stray capacitance and dv/dt immunity results after shielding insertion will be reported.
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hal-03269505 , version 1 (25-10-2021)

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Loreine Makki, Marc-Anthony Mannah, Christophe Batard, Nicolas Ginot, Julien Weckbrodt. Investigating the Shielding Effect of Pulse Transformer Operation in Isolated Gate Drivers for SiC MOSFETs. Energies, 2021, 14 (13), pp.3866. ⟨10.3390/en14133866⟩. ⟨hal-03269505⟩
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