High-Frequency Spread-Spectrum Modulations for Wide-Bandgap Voltage Source Converters

David Lumbreras,Jordi Zaragoza,Néstor Berbel,Juan Mon,Eduardo Gálvez,Alfonso Collado

2021 22nd IEEE International Conference on Industrial Technology (ICIT)（2021）

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摘要

The high efficiency and the electromagnetic compatibility of wide-bandgap (WBG) power converters can be further improved using spread-spectrum (SS) modulations. This paper evaluates and compares the impact of SS techniques on voltage source converters (VSC) that use gallium nitride (GaN) semiconductors. These modulations work with a variable switching frequency, so they generate fewer switching lo...

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关键词

Space vector pulse width modulation,Frequency modulation,Switching frequency,Simulation,Switching loss,Harmonic analysis,High frequency

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