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Deadtime impact on the small-signal output impedance of single-phase power electronic converters



OtsikkoProceedings of the 20th IEEE Workshop on Control and Modeling for Power Electronics (COMPEL)
Alaotsikko17-20 June 2019 , Toronto, ON, Canada
ISBN (elektroninen)978-1-7281-1842-0
ISBN (painettu)978-1-7281-1843-7
DOI - pysyväislinkit
TilaJulkaistu - 1 kesäkuuta 2019
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisussa
TapahtumaIEEE Workshop on Control and Modeling for Power Electronics -
Kesto: 1 tammikuuta 1900 → …


NimiIEEE Workshop on Computers in Power Electronics
ISSN (painettu)1093-5142


ConferenceIEEE Workshop on Control and Modeling for Power Electronics
Ajanjakso1/01/00 → …


The deadtime is an important factor in the design of power-electronic converters in order to prevent shoot-through faults. The deadtime may also cause a voltage error and an undesired damping effect which, in turn, affect the converter stability. As most effects caused by the deadtime are highly nonlinear, conventional modeling techniques to analyze these effects cannot be straightforwardly applied. This paper proposes a novel frequency-domain approach to model the damping effect caused by the deadtime in single-phase half-bridge inverters. Hardware-in-the-loop (HIL) simulations and laboratory measurements are presented and used to demonstrate the effectiveness of the proposed method.

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